Winter Garden - Cornell Botanic Gardens · Winter Garden ’ Cornell ... dwarf’hedge’thatrequires ... Evergreen’shrub’with’an’annual’growth’rate’of’128 18".’Flowers’are’white

1

scientific name common name notes

Abies concolor AGM CONCOLOR FIRConical tree reaching 30'-‐50' in height, 15'-‐30' in width, branched to the base; needles bluish-‐green, on some forms silvery-‐blue.

Abies concolor 'Candicans' WHITE FIRNarrow, upright tree reaching 30'-‐50' in height, 15'-‐30' in width, branched to the base; large, bright silver-‐blue needles.

Abies koreana 'Starker's Dwarf' DWARF KOREAN FIRPlants are dense and flat-‐topped, reaching 2' at maturity; needles wide, blunt-‐tipped. See picture in van Gelderen p.55.

Abies lasiocarpa var. arizonica 'Compacta'

DWARF CORK FIR

A Broadly conical dwarf form with very dense, ascending branches; buds grouped in 3's, yellow-‐brown, attractive; needles a very attractive silver-‐blue.

Acer griseum 'Gold Medal' PAPERBARK MAPLE

Young stems rich reddish-‐brown; older wood cinnamon or red-‐brown as the bark exfoliates to expose these colors. Fall color bronze, russet-‐red or red.

Betula albosinensis CHINESE RED BIRCHTree, 18-‐25 m; bark peeling, rather thin, orange or red-‐orange.

Betula 'Avalzam' AVALANCHE BIRCHHas shown good resistance to bronze birch borer attack. Bark on young trees is light tan with traces of pink which matures to exfoliatig white bark.

Betula chinensis 'KLMDD' CINNAMON FLAKES™

BIRCH

A lovely Betula selection characterized by smooth cinnamon colored exfoliating bark. Foliage is a glossy dark green in summer, changing to yellow in fall.

Betula 'Crimson Frost' HYBRID BIRCH

Deep crimson summer foliage, turns bright red, orange-‐red, and yellow-‐orange in the fall, retaining these colors for about one month. Bark is white with cinnamon tones.

Betula grossa CHERRY BIRCH

Small pyramidal tree reaching 25' in height; leaves alternate, simple. Bark cherry-‐like, reddish-‐brown, rich and polished; stems wintergreen-‐scented.

trees & shrubs

Winter Garden Cornell Plantations Plant List Last Updated 8/7/12

2


Betula nigra 'Cully' HERITAGE® RIVER BIRCH

Outstanding for the beauty of its bark and for its exceptional resistance to borers, blight, wind and ice damage. Bark ranges from light tan to cream and silvery white.

Betula nigra 'Little King' FOX VALLEY®

DWARF RIVER BIRCH

Plants reach 10' in height and 12' in width with a densely compact growth habit and branches to the ground. Foliage forms a tight, rounded crown; bark exfoliates to reveal shades of cinnamon and reddish brown.

Betula nigra 'Summer Cascade' WEEPING RIVER BIRCH

A new weeping form of River Birch. The graceful form is ideally suited for use as a focal point, accent, or creative design element in the landscape. Handsome bark and foliage. Ornamental, fast growing, adaptable, and very pest resistant.

Betula papyrifera 'Select' WHITE BIRCH

Oval to rounded crown at maturity. Fall color excellent clear yellow. Bark thin, smooth, reddish brown on young branches, becoming creamy-‐white at 2.5" caliper; peels freely to expose a reddish-‐orange inner bark.

Betula populifolia 'Whitespire' GREY BIRCH

A narrow, pyramidal white-‐barked birch, reaching 30' to 40' in height. Fine-‐textured in twig and foliage. Glossy leaves turn yellow in fall; chalk-‐white bark does not exfoliate.

Buxus 'Green Ice' BOXWOOD

Described as super hardy and deep green all winter; blue-‐green flush in spring reflects. Glossy deep green summer foliage remains so in the hardest of winters.

Buxus 'Green Mound' BOXWOODForms an attractive mound of dark green foliage, grows 3' x 3'.

Buxus 'Green Mountain' HYBRID BOXWOODPlants mature into a perfect, widely pyramidal oval reaching 5' in height and 3' in width; leaves small and dark green.

Buxus 'Green Velvet' GOLD MEDAL BOXWOODPlants reach 3' in height and width forming a densely compact rounded, slow-‐growing shrub with small dark green leaves.

Buxus microphylla var. koreana 'Wintergreen'

KOREAN BOXWOODPlants 2'-‐3' tall, compact, with small, attractive light green leaves. Performs well in cold climates.

Buxus sempervirens 'Katerberg' North Star™

COMMON BOXWOOD

A cold hardy, dense globe that requires little if any pruning to form a low, dense, thick hedge. Shiny dark green leaves maintain good winter color.

Callicarpa dichotoma 'Early Amethyst'

PURPLE BEAUTYBERRYLong slender branches that arch and touch the ground at their tips; produces exceptionally heavy and showy crops of small lilac berries in fall.

3


Carpinus betulus 'Columnaris Nana' EUROPEAN HORNBEAM

A truly dwarf cultivar of Fastigiate Hornbeam, reaching a height of 6-‐8'. Useful as a unique dwarf hedge that requires little pruning. Lovely golden yellow fall color.

Carpinus betulus 'Vienna Weeping' EUROPEAN HORNBEAMElegant specimen with pendulous, gracefully arching branches, growing to 20' in height with a slightly greater spread.

Cercidiphyllum japonicum f. pendulum

WEEPING KATSURA TREEPlants form mounds of gracefully weeping branches, and are rapid growers, reaching 15' to 25' in height; an exceptionally beautiful form.

Chaenomeles speciosa 'Contorta' FLOWERING QUINCE

An unusual accent shrub with twisted branches producing an intriguing effect year round. Even the leaves have a curl to them, with light pink spring flowers.

Chamaecyparis obtusa 'Elf' HINOKI FALSE CYPRESS

A miniature form of Japanese Hinoki Cypress. Dense little round plant with dark green leaves. Has a slight point to the top that distinguishes this cultivar.

Chamaecyparis obtusa 'Golden Sprite'

HINOKI FALSE CYPRESSA rounded, little, bun-‐shaped plant with small, thin foliage tipped bright-‐yellow gradually shaded to green toward the interior. Very slow growing.

Chamaecyparis pisifera 'Cream Ball' SAWARA FALSE CYPRESSTight, slow-‐growing ball with creamy-‐white, soft textured juvenile foliage.

Chamaecyparis pisifera 'Filifera' THREAD-‐LEAF SAWARA CYPRESS

A small tree of broadly conical habit reaching 5m in height and width; branches nodding to outspread, branchlets thin, filamentous, pendulous, needles in opposing pairs.

Chamaecyparis pisifera 'Filifera Sungold'

DWARF GOLDEN THREADLEAF SAWARA CYPRESS

Foliage bright gold when young, maturing to strong lime green. Reaching 3' in height and 3'-‐4' in width with lime-‐green foliage that becomes more gold in full sun.

Chamaecyparis pisifera 'Golden Mop' AGM

DWARF GOLDEN THREADLEAF SAWARA CYPRESS

Dwarf form, like 'Filifera Nana', but always golden-‐yellow (not a young plant of Filifera Aurea!!).

Chamaecyparis pisifera 'Golden Pin Cushion'

DWARF SAWARA FALSE CYPRESSVery slow growing, spreading, velvety bun. Best color in full sun.

Chamaecyparis pisifera 'Squarrosa Lemon Thread'

GOLDEN SAWARA CYPRESS

Similar to C. pisifera 'Filifera Aurea Nana' with brilliant, golden threadlike foliage; plants are mound-‐forming with pendulous branchlets and can reach 10' in height and 6' in width.

Chamaecyparis pisifera 'Tsukomo' DWARF SAWARA FALSE CYPRESSA dwarf, densely branched cushion-‐form with golden-‐yellow foliage; a Japanese introduction.

Chamaecyparis pisifera 'White Pygmy'

DWARF SAWARA FALSE CYPRESSA tiny, white-‐tipped, bun-‐shaped plant with very fine-‐textured foliage.

4


Chamaecyparis thyoides 'Pendula' WHITE FALSE CYPRESS

A rare selection of Atlantic cedar that features slender, almost threadlike, blue-‐gray foliage. The form is broadly conical. Useful in moist sites where most other conifers would not perform well.

Cornus alba 'Regnzam' RED GNOME™

SIBERIAN DOGWOOD

A compact lower-‐growing selection that reaches 3'-‐4' in height and 4'-‐5' in width with bright red stems; creamy white flowers are effective in spring and are followed by bluish-‐white fruit.

Cornus alba 'Sibirica Bloodgood' SIBERIAN DOGWOOD

Plants 6' to 9' tall, 5' to 6' wide with an upright-‐rounded form. Flowers yellowish-‐white, fruit a blue-‐white berry. Excellent bright coral-‐red bark in winter.

Cornus alba 'Sibirica Ruby' TATARIAN DOGWOOD

This deciduous shrub grows 1.8 to 3m tall. Leaves are a lusterous dark green and appear to be resistant to leaf spots. The leaves turn a brilliant wine red in the fall.

Cornus alba 'Sibirica Westonbirt' TATARIAN DOGWOODThe plants grown as 'Westonbirt' do not, judging from the trials at Wisley, differ in any way from the true 'Sibirica'.

Cornus alba 'Stdazam' STRAWBERRY DAIQUIRI™

SIBERIAN DOGWOOD

Plants reach 6-‐8' in height and 5-‐6' in width developing an upright-‐rounded habit; foliage is variegated with creamy white; flowers are creamy-‐white, fruits bluish-‐white, and stems are strawberry-‐red.

Cornus kousa var. chinensis 'Galzam' GALILEAN™

CHINESE DOGWOOD

Vase-‐shaped habit that matures to a more rounded form with distinctly horizontal branching. Flowers are profuse, the white bracts exceptionally large, effective in May and June, followed by red strawberry-‐like fruits.

Cornus sanguinea 'Canto' ARCTIC SUN™

BLOOD-‐TWIG DOGWOODDeveloped by Andre Van Nijnatten in Holland. The stems are golden yellow with rich red at the tips.

Cornus sanguinea 'Compressa' BLOOD-‐TWIG DOGWOODA dwarf form with tiny leaves that are twisted, overlapping and deeply valleyed on a narrow and compressed upright, 3' plant.

Cornus sanguinea 'Midwinter Fire' BLOOD-‐TWIG DOGWOODA new selection from Holland. Base of stems red, becoming orange and then yellow towards the stem apex. Stem color maintained all winter.

Cornus sanguinea 'Winter Beauty' BLOOD-‐TWIG DOGWOODPlant selected for its yellow and orange fall color, unusual winter stem color, yellow at the base grading to fiery orange at the top.

Cornus sericea 'Allemans' RED-‐OSIER DOGWOODPlants reach 6' in height; selected for compact habit and tight branching as well as improved disease resistance; stems are dark red.

5


Cornus sericea 'Bud's Yellow' YELLOW-‐TWIG DOGWOOD

A yellow-‐stemmed selection. Plants have clean, attractive foliage, and appear to be resistant to the stem canker that affects C. stolonifera 'Flaviramea.'

Cornus sericea 'Cardinal' RED-‐OSIER DOGWOOD

Plants reach 8'-‐10' in height and 10' in width developing a rounded form; fall foliage color is reddish-‐purple; stems are yellowish green in the summer becoming bright red as the temperature drops.

Cornus sericea 'Farrow' ARCTIC FIRE™

RED-‐OSIER DOGWOODA new compact selection of the ever popular Baileyi’. Dark red winter twigs and a compact, nonsuckering habit.

Cornus sericea 'Isanti' RED-‐OSIER DOGWOODCompact form with bright red stem color and shorter internodes, which create a denser plant. Contracts considerable leaf spot in wet weather.

Cornus sericea 'Silver and Gold' VARIEGATED RED-‐OSIER DOGWOODA branch sport of C. sericea 'Flaviramea' with the same yellow stems and leaves with an irregular creamy white border.

Corylus avellana 'Contorta' HARRY LAUDER'S WALKING STICKGrowth habit upright, weak, the branches twisting in corkscrew fashion; leaves partly crispate and involute.

Cotoneaster adpressus 'Little Gem' CREEPING COTONEASTER

A dwarf, close-‐growing, compact, rigidly branching 1-‐1.5' high shrub, rooting where branches touch the soil. The leaves are glossy dark green; flowers solitary or in pairs, white tipped rose; fruit is dark red.

Cotoneaster adpressus var. praecox CREEPING COTONEASTERMore vigorous than the species, reaching 3' in height, and 6' in width; leaves and fruits are also larger.

Cotoneaster apiculatus CRANBERRY COTONEASTER

Low, wide-‐spreading shrub with stiff branching pattern, tends to mound upon itself forming dense, impenetrable tangles. Fruit a cranberry-‐red pome, effective August through September and quite attractive. Foliage dark glossy green, extremely handsome in summer, assuming good bronzy-‐red or purplish tones in fall, often holding its fall color well into November.

Cotoneaster dammeri 'Streib's Findling'

BEARBERRY COTONEASTER

A flat growing shrub, 4-‐6" tall with dull dark blue-‐green leaves. Foliage is not quite as lustrous as other cultivars and is probably no longer than 1/2"; produces white flowers and red berries.

Cotoneaster microphyllus 'Emerald Spray'

LITTLE LEAF COTONEASTEREvergreen shrub with an annual growth rate of 12-‐18". Flowers are white, followed by red berries. Plants reach 2' tall and 5' across.

6


Crataegus viridis 'Winter King' Gold Medal

WINTER KING HAWTHORN

Attractive rounded habit, with almost vase-‐shaped branching structure and distinct green bloomy stems. The fruits are larger than those of the species, and are a good red. Less susceptible to rust than other hawthorns.

Fagus sylvatica 'Mercedes' EUROPEAN BEECH

An unusual and very slow growing selection with green, willow-‐like leaves. These leaves turn an attractive bronze color in winter and can stay on the plant until the following spring. The most dwarf of the European beeches with a shrubby, dense habit.

Ginkgo biloba 'Blagon' GINKGO

Outstanding male, non-‐fruiting French selection with a distinct pyramidal form and tight dense habit due to its short internodes. The unique fan-‐shaped leaves turn a stunning golden yellow in fall.

Hamamelis ×intermedia 'Diane' HYBRID WITCH-‐HAZELOne of the best red-‐flowering forms, better than 'Ruby Glow', but still more copper-‐red than red. Fall color a rich orange-‐red.

Hamamelis ×intermedia 'Feuerzauber'

HYBRID WITCH-‐HAZELExcellent orange-‐red fragrant flowers, each petal about 3/4" long, kinked and twisted.

Hamamelis ×intermedia 'Heinrich Bruns'

HYBRID WITCH-‐HAZEL

Straw-‐yellow flowers, the base suffused with red, make their appearance in midwinter. Rich color, abundant bloom, and a light scent are the special features of this German selection.

Hamamelis ×intermedia 'Orange Peel'

HYBRID WITCH-‐HAZELMidwinter flowers sport thick petals and are lightly scented. Richly colored bright orange and yellow petals blend with a darker base.

Hamamelis ×intermedia 'Pallida' HYBRID WITCH-‐HAZELFlowers profuse, sweetly fragrant, petals soft sulfur-‐yellow, 3/4" long Leaves.

Hamamelis ×intermedia 'Strawberries and Cream'

HYBRID WITCH-‐HAZEL

Yellow and red bicolored flowers appear in good numbers from mid to late winter, and they are enhanced by a light scent. A rounded, shapely shrub.

Hamamelis ×intermedia 'Sunburst' HYBRID WITCH-‐HAZEL

Flowers are scentless, prolific with exceptionally long and wide lemon-‐yellow petals; like H. mollis this cultivar holds some of its leaves throughout the winter.

Hamamelis vernalis 'Quasimodo' VERNAL WITCH-‐HAZELRounded and compact, this selection of the extra hardy Ozark Witch Hazel grows about 3 feet high and wide. Spicy scented orange flowers in winter.

Ilex 'Apollo' MALE WINTERBERRRYA large, deciduous shrub, 12' to 15' tall with upright habit. Adaptable to sun or shade, well-‐ or poorly-‐drained soils.

7


Ilex 'Sparkleberry' GOLD MEDAL WINTERBERRY

Plants are very upright in habit reaching 12' in height ; bright red fruits are 3/8" across, persisting well into the winter. Cross made in 1961; plant selected for profuse, persistent, bright red fruit.

Ilex verticillata 'Afterglow' WINTERBERRY HOLLY

Glossy green leaves are smaller than average; fruits are orange to orange-‐red. A thirty-‐year-‐old plants is 10' tall and wide, multiple-‐stemmed, compactly globe-‐shaped.

Ilex verticillata 'Jim Dandy' MALE WINTERBERRY HOLLYA male form selected to pollinate northern types of I. verticillata; flowers over an extended period. Initially released as 'Dwarf Male'.

Ilex verticillata 'Maryland Beauty' WINTERBERRY HOLLY

Fruit large, coloring early, clustered around the full length of the twigs. Selected for commercial cut flower use becuase of its early, large, red, abundant fruits that cluster around the branches for the majority of their length.

Ilex verticillata 'Oosterwijk' WINTERBERRY

A northern form that holds its bright red berries longer than other cultivars; a favorite in the European cut flower industry. A Dutch introduction that was selected in 1984 by H.L. van de Laar for the commercial cut flower use due to its large and persistent red fruits.

Ilex verticillata 'Red Sprite' WINTERBERRY HOLLY

Very small shrub, reaching only 2' to 4' in height. Slow-‐growing, broader than tall, producing bright red, 1/2" diameter fruits in abundance on very short pedicels. Leaves broad, oval, not glossy

Ilex verticillata 'Scarlet O'Hara' GOLD MEDAL PLANT AWARD

WINTERBERRY HOLLYDense and mound shaped shrub, growing 10' tall and 12' wide in 20 years. Plant is covered with red berries, even when young.

Ilex verticillata 'Southern Gentleman'

MALE WINTERBERRYA male selected to pollinate southern types of Ilex verticillata. Initially released as 'Early Male'.

Ilex verticillata 'Spravy' BERRY HEAVY

WINTERBERRYA southern form using 'Southern Gentleman' as a pollinator that is outstanding in fruit, the berries profuse, bright red.

Ilex verticillata 'Spriber' BERRY NICE WINTERBERRYA southern form with extremely vivid, bright red berries; the original plant was selected by sight at a distance of 1/4 mile.

Ilex verticillata 'Sunset' WINTERBERRY HOLLY

The original selection was made for the following characteristics: olive-‐brown stem color, spreading habit, heavy fruiting, and fruit longer than that of 'Winter Red'. Southern type; requires 'Southern Gentleman' for pollination.

Ilex verticillata 'Winter Gold' Gold Medal

WINTERBERRY HOLLYA gold-‐berried sport of 'Winter Red' with the same habit and dark green foliage. Fruit golden-‐orange.

8


Ilex verticillata 'Winter Red' Gold Medal

WINTERBERRY HOLLY

The original thirty-‐year-‐old plant is 9' tall, 8' wide, multiple-‐stemmed; leaves lustrous, dark green; fruits bright red, 3/8" in diameter, their intense red color being maintained throughout the winter.

Juniperus chinensis 'Saybrook Gold' CHINESE JUNIPERPlants reach 2'-‐3' in height and 6' in width; the needle-‐like foliage is bright yellow-‐gold in summer becoming more bronze-‐yellow in winter.

Juniperus communis 'Gold Cone' COMMON JUNIPER

An upright bright yellow Eastern Common Juniper. Very tight, but not as tight as 'Compressa' but a very nice upright juniper that needs full sun.

Juniperus horizontalis 'Plumosa Compacta Youngstown'

ANDORRA JUNIPER

Compact form of 'Plumosa', dense branching, flat-‐spreading, 18" high; stays full in center, grey-‐green foliage which literature says does not change color in winter. Male.

Juniperus horizontalis 'Wiltoni' BLUE RUG JUNIPER

Very flat growing form with trailing branches, foliage intense silver-‐blue, assumes light purplish tinge in winter, fairly fast growing; a female with 1/4" diamaeter, silvery blue cones.

Juniperus procumbens 'Greenmound'

JAPANESE GARDEN JUNIPERPlants reach 8" in height and 6' in width developing a slightly mounding habit; foliage is light green and does not brown out.

Juniperus rigida 'Pendula' WEEPING NEEDLE JUNIPER

A stately, fast-‐growing small tree with spreading, pendulous branches and a loose, open appearance; the gracefully weeping branchlets carry needle-‐like foliage with a grayish bloom that bronzes during the winter.

Juniperus sabina 'Buffalo' SAVIN JUNIPER

Plants reach 12" in height and 8' in width, similar in habit to 'Tamariscifolia' with feathery branches and bright green foliage that retains its color in the winter. Female. Zone 4.

Juniperus sabina 'Monna' CALGARY CARPET

SAVIN JUNIPERA sport of 'Arcadia' with a lower and more spreading growth habit, reaching 9" in height and 10' in width; foliage soft green.

Juniperus sargentii 'Glauca' SARGENT JUNIPERBetter growth habit than the species. Dwarf, reaching 1 1/2' in height, 6' in width; branchlets thin, feathery, leaves blue-‐green.

Juniperus virginiana 'Grey Owl' EASTERN RED CEDARPlants reach 3' in height and 6' in width with a fountain-‐like habit; foliage is a soft silvery gray; female selection that sets abundant fruit.

Larix laricina 'Blue Sparkler' AMERICAN LARCHA very vigorous grower with excellent blue color. A low form of "American Larch" with blue-‐green foliage growing only 5' high at maturity. (DS 893)

9


Malus 'Hargozam' HARVEST GOLD® FLOWERING CRABAPPLE

Upright small tree, 20' tall, 15' across. Flowers white, single, buds pink; fruit gold, 0.7" across, abundant, persistant through late December. Very good disease resistance.

Malus 'Molazam' MOLTEN LAVA® FLOWERING CRABAPPLE

Broad weeper reaching 12' in height and 15' in width with attractive yellow winter bark. Flowers carmine-‐red in bud opening white, single. Fruit brilliant orange-‐red, appearing to cascade. Disease resistant.

Microbiota decussata SIBERIAN CARPET CYPRESS

Low spreading habit. Produces lacy, plumed branches clad in awl-‐shaped leaves of rich green, which turn an attractive copper color in winter when plants are grown in full sun, and revert to green in the spring

Myrica pensylvanica NORTHERN BAYBERRY

Plants range from 5'-‐12' in height, suckering and developing large colonies. Fall color is absent; flowers not showy, opening before the leaves; fruit about 1/5" across, profuse, grayish, usually covering the stems of female plants.

Parrotia persica AGM PERSIAN PARROTIA

Shrub with an oval rounded head of upright ascending branches. Bark on older trees develops an exfoliating gray, green, white, brown color. Fall color brilliant yellow to orange to scarlet; one of the most beautiful trees for foliage effect. The showy part of the flowers are the crimson stamens.

Physocarpus opulifolius 'Royalty' COMMON NINEBARKBoth sides of the smaller, finer textured leaves of this handsome 6-‐8' shrub are deep royal purple.

Picea abies 'Diffusa' DWARF NORWAY SPRUCE

A low, wide-‐spreading and densely branched form with fine, flexible orange-‐brown branches. Needles radially arranged on the tips, but only semi-‐radial on the side shoots, thin and flat, conspicuously yellow-‐green.

Picea abies 'Hasin' DWARF NORWAY SPRUCEA distinctive miniature plant that forms a low, wide, dense pillow with dark green foliage and pronounced winter buds.

Picea abies 'Hildberghausen' NORWAY SPRUCE

A congested, globose selection with large brown winter buds. Every shoot appears to grow the same length, resulting in an almost perfect globe. It can attain a diameter of two feet in ten years.

Picea abies 'Kellerman's Blue Cameo'

DWARF NORWAY SPRUCEA tight, slightly irregular mound-‐forming dwarf with grey-‐green needles that taper towards the branch tips producing a bottle brush effect.

10


Picea abies 'Lanham's Beehive' DWARF NORWAY SPRUCE

The needles of 'Lanham's Beehive' are longer and thicker than other dwarf cultivars. The prominent stems, buds are cinnamon-‐colored, and the overall effect is of a boldly textured, compact plant.

Picea abies 'Little Gem' AGM DWARF NORWAY SPRUCE

A witch's broom discovered on P. abies 'Nidiformis' around 1958. This plant forms a miniature nest of very dense habit with very short needles.

Picea abies 'Malena' NORWAY SPRUCEA dwarf, globose plant; very densely branched with large coarse needles giving a bumpy outline. Grows about 1" per year.

Picea abies 'Mariae-‐Orffiae' NORWAY SPRUCEDwarf form, oval, branches crowded, upright, twigs densely crowded and wide spreading, yellow-‐white, very small, thin.

Picea abies 'Mikulasovice' DWARF NORWAY SPRUCEA witches' broom that is a miniature dwarf flat ball. Plants grow less than an inch a year. Needles are regular size.

Picea abies 'Nidiformis' AGM BIRDS NEST SPRUCE

A spreading, dense, broad plant of irregular growth, usually with a central depression producing the visual effect of a bird nest; plants reach 3' in height and 6' in width.

Picea abies 'Pendula' NORWAY SPRUCE

Pendula' can only be considered a collective name since plants bearing this name are quite variable. Included here are plants with tall, straight stems and vertically pendulous branches, as well as those with curving or twisted trunks and dense, more or less, vertically hanging, or downward sloping branches.

Picea abies 'Pumila' DWARF NORWAY SPRUCE

Nest type. Short, dark-‐green foliage on a very uniformly branched plant. Differs from the flatter nest types with its rounded habit, all shoots uniformly pointed out or up.

Picea abies 'Pusch' DWARF NORWAY SPRUCEA rounded to irregular semi-‐dwarf selection that forms cones at the branch tips like 'Acrocona'.

Picea abies 'Repens' CREEPING NORWAY SPRUCE

Dwarf from, procumbent to spreading, branches layered from the middle of the plant outward, regular, dense and evenly formed; shoots orange-‐brown, glabrous, thin and very flexible, horizontally outspread, tips nodding slightly, annual growth 3 to 5 cm.

Picea abies 'Tabletop' NORWAY SPRUCE

A Norway Spruce that forms a flattened 2' mound of gray-‐green foliage. It does not form a depression similar to a birds nest spruce, but the mature plant remains flat.

Picea abies 'Thumbelina' DWARF NORWAY SPRUCEExtremely dense, tiny Norway Spruce with short needles puts on a nice winter decoration: prominent brown buds for seasonal interest.

11


Picea abies 'Tompa' NORWAY SPRUCE

Upright broad dwarf conifer with fresh green needles and a compact habit make this slow growing Norway spruce a great selection for those smaller landscapes and rock gardens.

Picea engelmannii 'Blue Magoo' ENGELMANN SPRUCENew spring growth is clothed with short gray-‐blue needles and characteristically droops creating a lovely weeping appearance.

Picea glauca 'Cecilia' DWARF WHITE SPRUCEA witch's broom found by Greg Williams near Skippack Highway, northeast of Philadelphia. Globose, compact, grey-‐blue selection.

Picea glauca 'Echiniformis' WHITE SPRUCE

Dwarf, reaching about 0.5 m in height and 1 m in width; young shoots brown, very flexible, very short, the annual growth about 1.5 cm to 3 cm; buds brown. Needles very narrow, round in cross section, yellow-‐green, but appearing blue-‐gray.

Picea glauca 'Elf' DWARF WHITE SPRUCEAn extremely slow growing, dense globe with short, thin needles. A witch's broom found on Picea glauca 'Conica'.

Picea glauca 'J.W. Daisy's White' WHITE SPRUCEThese dwarf, conical evergreens new growth emerges brilliant, creamy-‐white.

Picea glauca 'Jean's Dilly' WHITE SPRUCE

Dwarf. During the growing season, needles at the end of the shoots are arranged in a distinctive twist. Spring growth also starts 3-‐4 weeks later and plants grow at two thirds the rate of 'Conica'.

Picea glauca 'Pixie Dust' DWARF WHITE SPRUCE

Extremely dense, compact and slow growing, offers a special feature. When the second flush of growth emerges in summer, the new tips are yellow, a surprising effect that contrasts dramatically with the deep-‐green, mature foliage.

Picea glauca 'Rainbow's End' DWARF ALBERTA SPRUCE

A dwarf similar in habit to 'Conica' except for needle color. The first flush of growth in spring is light green, the second flush in mid-‐summer is bright creamy-‐yellow.

Picea omorika 'Bruns Weeping' SERBIAN SPRUCE

Tree with remarkably slender trunk and drooping branches forming a very narrow, pyramidal head. Plants 50-‐60' tall, 20-‐25' wide after 50-‐60 years; can reach 100' in height.

Picea omorika 'Nana' SERBIAN SPRUCEPlants dense, broadly conical, reaching 3 m with great age; branches are irregular in length creating an uneven outline.

Picea omorika 'Pendula' SERBIAN SPRUCEBeautiful slender tree with drooping, slightly twisted branches.

Picea omorika 'Wodan' SERBIAN SPRUCEA slow-‐growing conical selection with coarse, dark green needles, each with a pair of narrow, silver stomatal lines on its upper surface.

12


Picea orientalis 'Tom Thumb' ORIENTAL SPRUCE

This miniature gem is a spectacular form of Oriental Spruce with an incredibly slow growth rate of 1" per year. Forms a flat to bun shaped specimen with short 1/4" tightly packed bright golden evergreen needles on the short layered branches.

Picea pungens 'Corbet' DWARF COLORADO BLUE SPRUCEPlants wider than tall. 'Corbet' has a blue-‐gray color rather than the powder-‐blue of most other P. pungens cultivars.

Picea pungens 'Donna's Rainbow' COLORADO SPRUCE

A dwarf, upright-‐rounded to cone-‐shaped cultivar that averages less than 2” of growth annually. Stems have an interesting “foxtail” like appearance.

Picea pungens f. glauca 'Montgomery'

COLORADO SPRUCE

Dwarf form, slow growing and very compact, broadly conical, as high as wide, annual growth about 6 cm, shoots yellow-‐brown, buds ovate, yellow-‐brown.

Picea pungens 'Globe' DWARF COLORADO SPRUCE

A miniature, compact form of the Colorado spruce. Globose shape when young, eventually becoming mounding or broadly upright after many years.

Picea pungens 'Globosa' AGM DWARF COLORADO BLUE SPRUCEPlants in the Trade are indistinguishable from 'Montgomery'; a larger dwarf form with a rounded, broadly-‐upright habit.

Picea pungens 'Lundeby's Dwarf' DWARF COLORADO SPRUCESteel blue needles and short horizontally layered stems, reliably wider than tall growth habit. Extremely hardy.

Picea pungens 'Montana Ave.' COLORADO SPRUCEA miniature, blue variety of Colorado Spruce. Leaves a steel blue on a ball shaped plant. Plant found by Clayton Berg.

Picea pungens 'Procumbens' AGM COLORADO SPRUCETree with weeping habit, presenting a beautiful cascading effect, used as a spreading, undulating ground cover.

Picea pungens 'Shilo-‐Weeping' COLORADO SPRUCEA weeping selection which has an upright leader with the side branches hanging down in a dense curtain of blue foliage.

Picea sitchensis 'Tannhoft' DWARF SITKA SPRUCE

Vertically-‐arranged, closely-‐spaced shoots lead the eye up and away from the nest-‐shaped center and highlight the silvery-‐gray underside of the needles.

Pinus ×hakkodensis HYBRID PINEA shrubby low-‐grower similar in habit to P. pumila but with needles that are longer, coarser, and twisted. A natural hybrid.

13


Pinus banksiana 'Schoodic' JACK PINE

Native from the upper midwestern U.S. to the Arctic, Pinus banksiana, or Jack pine, is known for its cold hardiness and adaptability to poor soils. `Schoodic' is an exceptional mat forming, ground hugging selection, dense and low growing with short emerald green needles.

Pinus bungeana 'Rowe Arboretum' LACEBARK PINE

Neater, more compact, uniform growth habit as compared with the typical, more open, irregular branching of the species. White, green and brown bark as it matures.

Pinus bungeana 'Silver Ghost' LACEBARK PINE

The pale portions of the flaking bark are a striking silver-‐white rather than the typical creamy-‐white. "Distinguishes itself from others of like nature by its beautifully striking silver-‐white bark. This feature is reputed to exist on ancient trees in China, however we feel the Arboretum's plant is precocious and worthy of official registration as a cultivar."

Pinus cembra SWISS STONE PINENarrow, densely columnar, extremely upright pyramid in youth, becoming open and flat-‐topped with spreading, drooping branches when mature.

Pinus densiflora 'Globosa' DWARF JAPANESE RED PINE

A sturdy selection, slightly taller than wide, globose shaped. The needles are darker green, shorter and thicker than the 'Umbraculifera' or Tanyosho types.

Pinus heldreichii 'Smidtii' AGM BOSNIAN PINEVery slow-‐growing conifer forming a broadly ovoid dwarf shrub with rigid, deep green needles.

Pinus mugo 'Carsten's Wintergold' DWARF GOLDEN MUGO PINE

A reliably dwarf shrub forming a dense small globe with that develops an intense orange-‐gold color during the winter. A yellow-‐needled plant that is especially nice in winter.

Pinus mugo 'Gold Spire' DWARF MUGO PINEA lovely form with spring candles emerging golden-‐yellow, fading to green. Has the normal mugo growth rate.

Pinus mugo 'Teeny' MUGO PINEMiniature conifer with tiny needles and short growth, rich green color and a tight globose shape.

Pinus mugo 'Tyller' MUGO PINEA miniature form of Mugo Pine. Found in Czech Republic. Grows one inch a year in nice flat globe. Leaves dark green.

Pinus mugo 'Valley Cushion' DWARF MUGO PINEGrows slightly wider than tall, and is medium green year round.

Pinus mugo 'White Bud' DWARF MUGO PINEDwarf shrub with a low mounding habit and dark green needles. Needs no pruning to maintain its small stature.

14

scientific name common name notesPinus nigra 'Gaelle Bregeon' AUSTRIAN PINE

A dwarf variety of Austrian Pine. Looks like the best mugo ever seen with out having to prune.

Pinus nigra ssp. nigra 'Helga' AUSTRIAN PINESlow growing rounded form of Austrian pine. 'Helga' has white buds contrasting against green spring needles.

Pinus nigra ssp. nigra 'Strypemonde' AUSTRIAN PINE

Prominent white buds, which are especially showy in the winter against the long, dark green needles. The needles are whorled, giving the plant a soft, billowy effect.

Pinus parviflora 'Daisetsusan' JAPANESE WHITE PINE

A choice dwarf clone slowly developing a squat, pyramidal habit. Foliage is glaucous blue-‐green and attractive year round. The slow growing plants are vigorous.

Pinus strobiformis 'Loma Linda' SOUTHWEST BORDER PINEA blue-‐green dwarf pyramid with exceptionally heavy bud set and short, thin needles; grows up to 2" per year.

Pinus strobus 'Blue Shag' DWARF EASTERN WHITE PINEA densely globose selection with dark blue needles.

Pinus strobus 'Diggy' EASTERN WHITE PINEA slow-‐growing, upright white pine dressed with short, thin tufted needles. ‘Diggy’ makes a great plant for the rock garden or other sunny location.

Pinus strobus 'Glauca Nana' DWARF EASTERN WHITE PINESee 2808 for description of 'Nana'; this is a form with more blue needles.

Pinus strobus 'Greg' DWARF EASTERN WHITE PINEA tightly branched, bun forming selection of eastern white pine with thin, medium green, densely arranged needles. Miniature.

Pinus strobus 'Little Giant' EASTERN WHITE PINEExcellent, dark blue-‐green needles and develop a squatconical habit. The original plant is now 15 years old and about 40” tall and wide.

Pinus strobus 'Mini Twists' DWARF EASTERN WHITE PINEAttractive and charming dwarf and compact hardy selection of our native White Pine. Short, strongly twisted soft blue-‐green needles.

Pinus strobus 'Minuta' EASTERN WHITE PINE

One of the smallest of the dwarf white pines. Forms a dense, rounded mound with blue-‐green needles that are in scale with the size of the plant.

Pinus strobus 'Paul Waxman' DWARF EASTERN WHITE PINELow growing broadly mounded dwarf shrub reaching 2-‐5' in 25 years; needles fine-‐textured, dense, short, blue and green.

Pinus strobus 'Pygmaea' DWARF EASTERN WHITE PINEA dwarf globose selection with straight needles, slightly more green than other selections.

Pinus strobus 'Tiny Kurls' EASTERN WHITE PINE

An irresistibly cute selection boasting dense branching and blue cast, frilly, twisted needles. The dwarf plants develop a broad-‐rounded habit reaching 2’ high and 3’ wide in 10 years.

15


Pinus sylvestris 'Albyn Prostrata' SCOTS PINEA groundcover form of Scotch pine, with thick, shiny green needles. Retains good green color in winter.

Pinus sylvestris 'Slim Jim' SCOTS PINE

A dense, columnar intermediate conifer with similar texture to 'Globosa Viridis' in which long twisted dark green older needles provide a backdrop to the short light colored new growth.

Pseudotsuga menziesii 'Fletcheri' DWARF DOUGLAS FIR

A very slow-‐growing, somewhat flat-‐topped dwarf form reaching 1-‐3 m in height. Needles more or less radially arranged, , green above with midrib indented with 2 blue-‐green stomatal bands beneath; soft to the touch.

Salix ×erythroflexuosa 'Golden Curls' GOLDEN CORKSCREW WILLOWA shrubby selection with golden stems that are slightly twisted and semi-‐pendulous, with leaves that are somewhat curled.

Salix ×sepulcralis 'Erythroflexuosa' CORKSCREW WILLOW

Small tree with branches and twigs widely arching or outspread, wavy and twisted like a corkscrew, bark golden-‐yellow to orange; leaves oblong-‐lanciolate, similarly crispate and twisted.

Salix alba 'Flame' CORAL BARK WILLOW

Multistemmed shrub to 12 feet. In a side by side comparison, ‘Flame’ proved to have superior, darker red stems compared to ‘Britzensis’. Brilliant red stems in winter make this multi-‐stemmed shrub a good replacement for red twigged dogwood.

Salix alba var. vitellina 'Britzensis' AGM

CORAL BARK WILLOWA male clone with the young stems reddish; must be cut back annually to retain good color.

Salix caprea 'Kilmarnock' PUSSY WILLOWNot grafted on a trunk so its pendulosity becomes a delightful mounding groundcover. It can be staked to form a trunk if a tree form is desired.

Salix matsudana 'Snake' CONTORTED PEKING WILLOWAn improved form of S. matsudana 'Tortuosa' with greater branch contortions and canker resistance.

Salix 'Scarcuzam' SCARLET CURLS SCARLET CORKSCREW WILLOW

Plants reach 30' in height and 15' in width develping an oval outline; branches are twisted, the bark becoming golden with age, the new branches scarlet, the color intensifying in cold weather; leaves curled.

Sciadopitys verticillata 'Winter Green'

UMBRELLA PINE

Compact, spire-‐like, broadly pyramidal tree in youth, with a straight stem and horizontal branches spreading in whorls, stiff and twiggy. The leaves retain their glossy dark color throughout the winter.

16


Stewartia pseudocamellia AGM JAPANESE STEWARTIA

Small to medium-‐size pyramidal-‐oval tree. Flowers white with white filaments and orange anthers, borne in July. Leaves dark green. Bark flaky, ranging from soft grays and browns to orangish brown, that will often all intermingle on the same tree.

Teucrium chamaedrys GERMANDERDwarf rhizomatous shrub; stems 12" to 24"; flowers 5/8" long, pale to deep purple, rarely white.

Thuja 'Green Giant' GOLD MEDAL GREEN GIANT ARBORVITAEPlants reach 60' in height with a 12-‐20' spread at maturity, developing a tightly pyramidal to conical form.

Thuja occidentalis 'Filiformis' THREADLEAF AMERICAN ARBORVITAE

Compact conical form, occasionally also more globose, to about 1.5M high. Branches erect and outspread, shoots densely crowded, some directed upward, some downward; needles light green.

Thuja occidentalis 'Hetz Midget' DWARF GLOBE ARBORVITAEA dense globe-‐shaped form that reaches about 3-‐4' in height; foliage is a bright rich green.

Thuja occidentalis 'Little Giant' DWARF GLOBE ARBORVITAEA slow-‐growing globe-‐shaped form with rich green foliage.

Thuja occidentalis 'Yellow Ribbon' GOLDEN AMERICAN ARBORVITAEPlants reach 10' in height and 3' in width developing an upright pyramidal form with golden foliage.

Thuja plicata 'Grüne Kugel' GIANT ARBORVITAE

A dwarf green form of Western Red Cedar. Leaves are dark green on a very tight flat bun. Has very nice purple hue in winter. The cultivar name means "green ball."

Thuja plicata 'Spring Grove' GIANT ARBORVITAEA fast growing tree with rich green foliage that stays green in winter; pyramidal habit.

Thuja plicata 'Zebrina' VARIEGATED WESTERN RED CEDARConical tree reaching 15'-‐20' in height, the sprays of foliage a mixture of green and creamy yellow.

Tsuga canadensis 'Gentsch White' VARIEGATED CANADIAN HEMLOCKThe whiteness of the foliage is very intense in autumn, and holds into winter, especially on plants that are heavily sheared annually.

Viburnum nudum 'Bulk' POSSUM HAW

Native American Viburnum with heavy fruiting and excellent glossy foliage which turns maroon-‐red in fall. A great pollinator for V. nudum 'Winterthur'.

Viburnum opulus var. americanum 'Wentworth'

AMERICAN CRANBERRY VIBURNUM

Selected in concert with 'Andrews' and 'Hahs' for early, mid, and late season of ripening respectively. 'Wentworth' may have the best fall color of any trilobum selection and is exceptional in fruit.

17


Xanthocyparis nootkatensis 'Sullivan'

WEEPING FALSE NOOTKA CYPRESS

Plants with a narrowly conical habit and pendulous finely textured branchlets. Foliage is dark green; selected for its dense, full form and pendulous branchlet habit as well as excellent shade tolerance.

Yucca filamentosa 'Color Guard' ADAM'S NEEDLE

Gold-‐centered variegated yucca whose center coloration brightens to a creamy-‐gold in mid-‐summer. Each 3' clump of foliage is topped with 6' stalks of white flowers in spring.


Amsonia hubrichtii HUBRICHT'S BLUESTARFoliage is extremely slender; flowers are sky-‐blue emerging in May; fall foliage an excellent golden-‐yellow.

Anemone ×hybrida 'Rosenschale' JAPANESE GARDEN ANEMONEPlants reach 2-‐3' in height; flowers are single, pink, very large. English translation = 'Pink Shell'.

Astilbe 'Maggie Daley' PLUME FLOWERA vigorous grower that reaches 28" in height with rose-‐purple flowers in July.

Astilbe thunbergii 'Moerheimii' PLUME FLOWERPlants reach 36" in height; arching panicles carry white flowers in midsummer.

Baptisia 'Carolina Moonlight' FALSE INDIGO

An easy to grow, vigorous 3' wide plant with blue-‐green foliage, topped in late spring with 18" spikes of yellow flowers. Plants are heat loving and drought tolerant.

Baptisia 'Purple Smoke' HYBRID WILD INDIGO

Plants are exceptionally vigorous with charcoal-‐green stems when mature; flowers are dusky purple, very large, held in lupine-‐like flower spikes.

Carex morrowii var. temnolepis 'Silk Tassel'

JAPANESE SEDGEFountain of very narrow leaves that have dark green margins and a clear white center creating a shimmering effect.

Chionodoxa luciliae 'Alba' GLORY-‐OF-‐THE-‐SNOW5" to 10" in height, leaves linear to oblanceolate; flowers mostly 4 to 6, white, to 1" across.

Chionodoxa sardensis AGM LESSER GLORY OF THE SNOW

Bulbous perennial to 15cm tall, with a pair of narrow, basal leaves and a raceme of up to 10 slightly nodding, deep blue flowers 2cm wide, with small, white centers.

Clematis virginiana VIRGIN'S BOWER

Myriads of small fragrant flower clusters in late summer and early fall; sepals white, stamens yellowish. Attractive seed heads last until December.

Crocus ancyrensis 'Golden Bunch' SPRING CROCUSOne of the earliest blooming crocus with bright tangerine yellow flowers, in bunches.

herbaceous perennials & grasses

18


Crocus chrysanthus 'Blue Pearl' AGM SPRING CROCUSCorm producing leaves with the flowers. Flowers fragrant, light lavender-‐blue, white within, with yellow throat.

Crocus chrysanthus 'Cream Beauty' AGM

SPRING CROCUS

Perennial corm flowering with the leaves. Flowers fragrant, cream with a yellow tinge and deep yellow throat, brownish-‐grey towards base outside.

Crocus chrysanthus 'Snow Bunting' AGM

SPRING CROCUSFlowers white, the outer perianth segments spreading with blue feathering or stripes on the outside; very early.

Crocus 'Romance' SPRING CROCUSEarly blooming with creamy yellow exterior and buff yellow interior.

Crocus sieberi ssp. atticus 'Firefly' SIEBER'S CROCUSFlowers have a nearly white exterior with pale violet interior and a yellow heart.

Helleborus ×hybridus Ashwood Garden Apricot Strain

HYBRID LENTEN ROSE

The Ashwood Garden Hybrids have combined stock from Helen Ballard, Elizabeth Strangman, as well as other growers throughout the U.K. and Germany. The strain we have has very soft apricot-‐yellow flowers.

Helleborus ×hybridus Ashwood Garden Darkest Purple Strain

HYBRID LENTEN ROSE

The Ashwood Garden Hybrids combine hybrids from Helen Ballard, Elizabeth Strangman, and other growers throughout the U.K. and Germany. The strain we have has very dusky dark purple flowers.

Helleborus ×hybridus Ashwood Garden Picotee Strain

HYBRID LENTEN ROSEThe Picotee strain we have has white flowers with a rose edge grading to white flowers with a rose edge that are also heavily veined with rose.

Helleborus ×hybridus 'Mandela' HYBRID LENTEN ROSE

Selfs from a mother plant that produces nicely shaped, rounded flowers of black-‐burgundy with nicely overlapping petals held well above the foliage.

Helleborus foetidus 'Green Giant' STINKING HELLEBORE

A seed strain that produces exceptionally robust plants reaching 30" in height and width; flowers are held on well-‐branched inflorescences in late winter.

Helleborus foetidus 'Pontarlier' STINKING HELLEBOREA seed strain than produces plants that have extremely serrated leaves and reach about 18" in height.

Helleborus odorus 'WM 9414' HELLEBORE

Earliest and showiest of the green-‐flowered hellebores. Large clumps of foliage emerge with a bronze tint and a coating of silvery hairs; flowers are slightly fragrant and nodding.

Helleborus purpurascens LENTEN ROSEFlowers are about 6 cm across, somewhat nodding, bluish-‐purple on the outside and greenish-‐purple on the inside.

Helleborus xhybridus Ashwood Garden seedling; dark red flowers

HYBRID LENTEN ROSEAshwood Garden seedling, dark red, upward facing flowers. Seedlings found growing in the Winter Garden.

19


Hosta 'Francee' Eunice Fisher Award PLANTAIN LILYLeaves 7" long, 5" wide, dark green with a narrow and regular white margin. Scape 42" tall, foliated, oblique; flowers funnel-‐shaped, lavender.

Hosta 'Spilt Milk' NANCY MINKS AWARD

PLANTAIN LILY

Leaves are 9" long and 7" wide with 13 veins, cordate, cupped-‐rugose, streaked with white and greenish-‐white, the margins darker green. Scape reaches 18" in height, bare, straight; flowers are bell-‐shaped, white.

Miscanthus sinensis 'Gold Bar' JAPANESE SILVER GRASS

Each upright, spiky leaf is striped horizontally with brightest gold, creating an effect that is almost spotted on compact, symmetrical plants. A very slow grower.

Miscanthus sinensis 'Huron Sunrise' JAPANESE SILVER GRASS

An excellent newer grass with very full burgundy flowers that bloom in mid-‐August. Blooms much more profusely than any other Miscanthus variety with a compact habit. Wonderful golden fall foliage color is an added bonus.

Narcissus 'Midget' MINIATURE DAFFODILThe smallest all yellow miniature trumpet; petals not as overlapping and looks a bit more like a species trumpet; 3"-‐ 4"; early.

Narcissus 'Tête-‐à-‐tête' AGM CYCLAMINEUS DAFFODILPlants reach 6" in height; yellow flowers have a long cup and reflexed petals, effective in April.

Scilla bifolia AGM ALPINE SQUILL

Bulbous perennial to 15cm tall, with narrow, paired basal leaves and erect stems bearing racemes of 2-‐10 star-‐shaped blue or purplish-‐blue flowers about 20mm wide.

Scilla siberica 'Alba' SIBERIAN SQUILLFlowers pure white, loosely formed bells clustered on 3"-‐5" stems.

Scilla siberica 'Spring Beauty' SIBERIAN SQUILLDark blue flowers clustered on 6"-‐8" stems; vigorous form of S. siberica.

Documents

Winter Garden - Cornell Botanic Gardens · Winter Garden ’ Cornell ... dwarf’hedge’thatrequires ... Evergreen’shrub’with’an’annual’growth’rate’of’128 18".’Flowers’are’white