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SHRUB CULTIVAR TRIAL RATINGS
Most recent data collected on June 3, 2019
SHINING SENSATION WEIGELA PINKTINI PRESTON LILAC
SWEET SUMMER HYDRANGEA MANDARIN TANGO POTENTILLA
FAST FACTS: Site: west side of Jeffries Nurseries’ Young farm on clean, cultivated sandy loam No mulch applied, but some snow cover in most years 250+ cultivars planted in 2013, 2014, 2015, 2016, 2017, 2018, 2019 5 trial plants of each cultivar - Adamson, Bailey, Bylands, Spring Meadow, Van Belle Pruning: 2 of 5 plants pruned in spring 2017 to show impact on form and density
WHY?
We need to sift through the hundreds of new shrub cultivars to arrive at a short list for Manitoba. Re-member that “EXTENSIVE MARKETING DOES NOT ALWAYS LEAD A GREAT PLANT”
HOW?
Plant as many deciduous shrub cultivars as possible, including some species that are not presently used in Manitoba landscapes EVALUATION TIMES: LATE SPRING: Assess winter damage or winter kill on a 0-5 scale
SUMMER: Assess size, habit, flower and foliage quality
FALL: Compare cultivars for fall shut down, preparation for winter
RATING SYSTEM:
1. winter Hardiness: Zone 3 = little to no winter damage,
Zone 3C = obvious winter damage, but plant shows vigorous regrowth
Zone 4 = plant can’t overcome obvious winter damage, slowly weakens
2. mature size / habit
across cultivars in the same genus group: large, medium and small stature
3. timing/duration of flowering
4. colour/quality of foliage
CAUTIONARY NOTE:
The findings in this brochure are preliminary and should be treated as guidelines rather than steadfast facts. A trial period of 10 years is ideal for true hardiness testing.
PINK PARASOLS KOREAN SPIREA
LOTUS MOON PEARLBUSH
1 10
TINY WINE NINEBARK SPILLED WINE WEIGELA
FESTIVUS GOLD NINEBARK
LEMON SWEETIE POTENTILLA
CONCORDE BARBERRY
VANILLA STRAWBERRY HYDRANGEA
ROW 1 OF 5 STARTING FROM FENCELINE ‐ NORTH TO SOUTH
PLANTED JUNE 10, 2014 ‐ FIVE GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO FIVE WINTERS BEFORE 2019 RATING 20
LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Weigela florida Wine & Roses Weigela Proven Winners 4 3C, small stature Weigela florida Polka Weigela AAFC 3 3, medium stature Weigela florida Merlot Rose Weigela Star Roses/Plants 4 3C, medium stature Weigela florida Sonic Bloom Pearl Weigela Proven Winners 4 4, weakened by dieback Weigela florida Spilled Wine Weigela Proven Winners 4 3, small stature Weigela florida Sonic Bloom Pink Weigela Proven Winners 4 4, weakened by dieback Weigela florida Merlot Pink Weigela Star Roses/Plants 4 4, weakened by dieback Weigela florida Rumba Weigela AAFC 3 3, medium stature Weigela florida My Monet Weigela Proven Winners 4 3C, small stature Weigela florida Red Prince Weigela Iowa State 3 3C, red flowers, medium Weigela florida Tango Weigela AAFC 3 4, weakened by dieback Weigela florida Minuet Weigela AAFC 3 4, weakened by dieback Weigela praecox April Snow Weigela Bluebird Nursery 4 3, excellent performer Weigela florida Rainbow Sensa on Weigela First Edi ons 4 3C, weakened by dieback Weigela florida Carnaval Weigela France 4 4, weakened by dieback Weigela florida Dark Horse Weigela PlantHaven 4 3C, small stature Weigela florida Ghost Weigela Proven Winners 4 4, weakened by dieback Viburnum dentatum Blue Muffin Viburnum Proven Winners 3 3, medium size Viburnum dentatum Autumn Jazz Viburnum Bailey 4 3C, frequent dieback Syringa x Bloomerang Lilac Proven Winners 3 3C, frequent dieback Syringa meyeri Dwarf Korean Lilac — 3 3, added as check Syringa x Scent & Sensibility Lilac Proven Winners 3 3, light pink flowers Syringa x Bloomerang Dark Purple Lilac Proven Winners 3 3, vigorous Syringa vulgaris Prairie Pe te Lilac — 3 3, small stature Symph x door Candy Snowberry First Edi ons 4 4, weakened by dieback Symph x door Sweet Snowberry First Edi ons 4 4, weakened by dieback Symph x door Galaxy Snowberry First Edi ons 4 4, weakened by dieback Spiraea japonica Double Play Gold Spirea Proven Winners 3 3, small stature, golden Spiraea nipponica Golden Gli er Spirea Proven Winners 3 3, small stature Spiraea japonica Double Play Ar st Spirea Proven Winners 3 3, small stature Sambucus racemosa Morden Golden Glow Elder AAFC 3 3, golden foliage Sambucus nigra Thundercloud Elder 4 4, weakened by dieback Sambucus nigra Black Lace Elder Proven Winners 4 4, weakened by dieback Salix sachalinensis Golden Sunshine Willow 5 5, complete mortality Poten lla fru cosa Morden Snow Poten lla AAFC 3 3, good prairie cul var Poten lla fru cosa Se ng Sun Poten lla 3 4, weakened by dieback Poten lla fru cosa Red Ace Poten lla 4 4, weakened by dieback Poten lla fru cosa Dakota Sunspot Poten lla NDSU 3 3, good prairie cul var Poten lla fru cosa Happy Face Poten lla 3 3C, pink flowered Physocarpus opulifolius Tiny Wine Ninebark Proven Winners 3 3, best small purple NB Physocarpus opulifolius Fes vus Gold Ninebark Proven Winners 3 3, best small yellow NB Philadelphus x Miniature Snowflake Mockorange — 4 3C, large stature Philadelphus x Snowbelle Mockorange — 4 3C, small stature Hydrangea paniculata White Moth Hydrangea — 4 3, large flowers Hydrangea macrophylla Bloomstruck Hydrangea Bailey 4 4, weakened by dieback Hydrangea arborescens White Dome Hydrangea Spring Meadow 3 3, late bloomer, medium Hydrangea paniculata Sweet Summer Hydrangea — 3 3, late bloomer, medium
Zone 3 = li le to no winter damage, well adapted for southern Manitoba Zone 3C = collector plant: obvious winter damage in most years, but plant shows vigorous regrowth
Zone 4 = plant can’t overcome obvious winter damage, slowly weakens
ROW 1 OF 5 STARTING FROM FENCELINE ‐ NORTH TO SOUTH PLANTED JUNE 10, 2014 ‐ FIVE GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO FIVE WINTERS BEFORE 2019 RATING LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Genista lydia Dwarf Broom 3 3, unique foliage Forsythia x Gold Tide Forsythia Proven Winners 5 3C, dieback = no flowers Forsythia x Show Off Forsythia Proven Winners 5 3C, dieback = no flowers Euonymus alatus Fire Ball Euonymus Proven Winners 4 4, weakened by dieback Euonymus alatus Rudy Haag Burning Bush Bailey 5 4, weakened by dieback Euonymus alatus Dwarf Burning Bush Bailey 4 4, complete mortality Exocorda x macrantha Lotus Moon Pearlbush First Edi ons 4 3, fine spring bloomer ==================================== EAST‐WEST ROADWAY IN FIELD ========================================== PLANTED MAY 21, 2015 ‐ FOUR GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO FOUR WINTERS BEFORE 2019 RATING LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Weigela florida Sonic Bloom Red Weigela Proven Winners 4 4, weakened by dieback Weigela florida Crimson Kisses Weigela Bloomin Easy 4 4, weakened by dieback Weigela florida Tuxedo Weigela Bloomin Easy 4 4, weakened by dieback Weigela florida Maroon Swoon Weigela Bloomin Easy 4 4, weakened by dieback Sambucus nigra Licorice S x Elder HGTV 4 4, weakened by dieback Rosa x Peach Lemonade Rose Bloomin Easy 4 3C Poten lla fru cosa Lemon Swee e Poten lla HGTV 3 3, large yellow flowers Physocarpus opulifolius Sunny Outlook = Lemon Candy HGTV 3 3, large stature Physocarpus opulifolius Maroon Sunset = Burgundy Candy HGTV 3 3C, weak, diseased Physocarpus opulifolius 2008007 Ninebark Bailey 3 3, 15 plants installed Philadelphus x Show White Mockorange First Edi ons 4 3C, large stature Syringa x prestoniae Miss Canada Lilac AAFC 3 3, check cul var Syringa x prestoniae Pink ni Lilac Jeffries 3 3, unnamed selec on Syringa x Unknown Lilac — 3 3 Syringa x 0804 Lilac Jeffries 3 3, wavy leaf margins Syringa x Li le Lady Lilac Jeffries 3 3, small stature Syringa x Miss Kim Lilac — 3 3, medium stature Philadelphus x 1201 Mockorange Jeffries 3 3, Snowbelle x Blizzard Philadelphus x 1202 Mockorange Jeffries 3 3, Snowbelle x Blizzard Weigela florida Rainbow Sensa on Weigela First Edi ons 4 3C, good regrowth Weigela florida Shining Sensa on Weigela First Edi ons 4 3C, good regrowth Hippophae Hikul Seaberry — 3 3C, dense foliage
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WHAT TO LOOK FOR IN ROW 1
‘Tiny Wine’ and ‘Festivus Gold’ represent truly compact ninebarks ‘Lotus Moon’ Pearlbush is a new flowering shrub species for prairie gardeners ‘Lemon Sweetie’ potentilla offers lots of large yellow flowers from spring to fall
ROW 2 OF 5 STARTING FROM FENCELINE ‐ NORTH TO SOUTH PLANTED JUNE 6, 2013 ‐ SIX GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO SIX WINTERS BEFORE 2019 RATING LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Spiraea japonica Magic Carpet Spirea — 3 3, small stature Spiraea fritschiana Pink Parasols Spirea Spring Meadow 4 3, small stature Spiraea trilobata Snowhite Threelobe Spirea — 3 3, medium stature Spiraea japonica Shirobana Spirea — 3 3, small stature Spiraea japonica Goldflame Spirea — 3 3, small stature Spiraea japonica Li le Princess Spirea — 3 3, small stature Spiraea japonica Flaming Mound Spirea — 3 3, small stature Spiraea japonica Darts Red Spirea — 3 3C, frequent dieback Spiraea japonica Tor Spirea — 3 3, small stature Spiraea japonica Anthony Waterer Spirea — 3 3, small stature Spiraea japonica Fairy Queen Spirea — 3 3, small stature Spiraea japonica Gumball Spirea — 3 3, medium stature Spiraea x bumalda Froebelli Spirea — 3 3, medium stature Spiraea trilobata Threelobe Spirea — 3 3, medium stature Spiraea japonica Shirobana Spirea — 3 3, small stature Wisteria macrostachya Summer Cascade Wisteria First Edi ons 4 3C, creeping vine Weigela florida Shining Sensa on Weigela First Edi ons 4 3C, small stature Poten lla fru cosa Mandarin Tango Poten lla Jeffries 3 3, only 2 plants in trial Aronia melanocarpa Autumn Magic Chokeberry UBC 3 3, less vigor vs ‘Viking’ Aronia melanocarpa Iroquois Beauty Chokeberry Morton Arboretum 3 3, less vigor vs ‘Viking’ Aronia melanocarpa Viking Chokeberry Europe 3 3, large leaves/fruit Berberis thunbergii Cherry Bomb Barberry 4 3C, frequent dieback Berberis thunbergii Ruby Carousel Barberry Bailey 4 3C, frequent dieback Berberis thunbergii Jade Carousel Barberry Bailey 4 3C, frequent dieback Berberis thunbergii Royal Cloak Barberry 4 3C, frequent dieback Berberis thunbergii Emerald Carousel Barberry Bailey 4 3C, frequent dieback Berberis thunbergii Concorde Barberry 4 3, small stature Berberis thunbergii Royal Burgundy Barberry 4 3, small stature Berberis thunbergii Rose Glow Barberry 4 3C, frequent dieback Berberis thunbergii Sunsa on Barberry 4 3, small, golden Berberis thunbergii Royal Burgundy Barberry 4 3, small stature Campsis radicans Atomic Red™ Trumpet Vine First Edi ons 4 4, weakened by dieback ==================================== EAST‐WEST ROADWAY IN FIELD ========================================== PLANTED JUNE 2017 ‐ TWO GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO TWO WINTERS BEFORE 2019 RATING LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Spiraea japonica Candy Corn Spirea Proven Winners 4 3C, frequent dieback Symphoricarpos sp. Proud Berry Coral Berry Proven Winners 3 3C, frequent dieback Cornus obliqua Red Rover Dogwood Proven Winners 4 3, no issues so far Cephalanthus occidentalis Sugar Shack Bu onbush Proven Winners 4 3C, frequent dieback Sambucus racemosa Lemony Lace Elder Proven Winners 3 3, excellent performer Sambucus nigra Strait Laced Elder Proven Winners 4 4, weakened by dieback Hydrangea arborescens Lime Ricky Hydrangea Proven Winners 3 3, excellent performer Clethra alnifolia Sugar na Crystal Summersweet Proven Winners 4 4, weakened by dieback Salix ‘Flame’ Flame Willow Bailey 4 3, orange twigs Salix discolor Pussy Willow Bailey 4 3, spring catkins Rhododendron PJM Rhododendron Bailey 4 3, broadleaf evergreen Salix integra Hakura Nishiki Willow Bailey 4 3C, frequent dieback
4 5
WHAT TO LOOK FOR IN ROW 2
Flowers on ‘Mandarin Tango’ Potentilla are a unique orange colour ‘Viking’ Aronia appears to perform better than the two ornamental cultivars Outstanding small-statured barberry cultivars that are often protected by snow
YOUR NOTES
ROW 3 OF 5 STARTING FROM FENCELINE ‐ NORTH TO SOUTH
PLANTED JUNE 6, 2013 ‐ SIX GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO SIX WINTERS BEFORE 2019 RATING
LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Spiraea japonica Goldmound Spirea — 3 3, golden, small stature Spiraea nipponica Snowmound Spirea — 3 3, small stature Spiraea x vanhou ei Firegold Spirea First Edi ons 4 3, large stature Spiraea japonica Sundrop Spirea First Edi ons 4 3, small stature Spiraea x bumalda Flowering Choice Spirea 4 3C, frequent dieback Spiraea x bumalda Superstar Spirea First Edi ons 3 3C, frequent dieback Spiraea japonica Neon Flash Spirea — 4 3, medium stature Physocarpus opulifolius Summer Wine Ninebark Proven Winners 3 3, fine texture, large Physocarpus opulifolius Li le Devil Ninebark First Edi ons 3 3, medium stature Physocarpus opulifolius Lemon Candy Ninebark Ball 3 3, large stature Physocarpus opulifolius Darts Gold Ninebark — 3 3, large stature Physocarpus opulifolius Diabolo Ninebark — 3 3, large stature Physocarpus opulifolius Copper na Ninebark Proven Winners 3 3, large stature Physocarpus opulifolius Center Glow Ninebark LPDC 3 3, large stature Physocarpus opulifolius Amber Jubilee Ninebark First Edi ons 3 3, large stature Hydrangea macrophylla Endless Summer Hydrangea Bailey 4 3C, pink mopheads Hydrangea paniculata White Diamonds Hydrangea First Edi ons 4 3, medium stature Hydrangea paniculata Vanilla Strawberry Hydrangea First Edi ons 4 3, large stature Hydrangea paniculata Unique Hydrangea — 3 3, large stature Hydrangea paniculata Tickled Pink Hydrangea First Edi ons 4 3C, small stature Hydrangea paniculata Quick Fire Hydrangea Proven Winners 3 3, medium stature Hydrangea paniculata Polar Bear Hydrangea — 3 3, medium, late bloomer Hydrangea paniculata Pinky Winky Hydrangea Proven Winners 3 3, medium stature Hydrangea paniculata Brussels Lace Hydrangea — 4 3, medium stature Hydrangea paniculata Great Star Hydrangea First Edi ons 4 3C, limited flowering Hydrangea paniculata Kyushu Hydrangea — 3 3, large stature Hydrangea paniculata Li le Lime Hydrangea Proven Winners 3 3, small stature, weak Hydrangea paniculata Li le Lamb Hydrangea Proven Winners 3 3C, frequent dieback
Zone 3 = li le to no winter damage, well adapted for southern Manitoba Zone 3C = collector plant: obvious winter damage in most years, but plant shows vigorous regrowth
Zone 4 = plant can’t overcome obvious winter damage, slowly weakens
ROW 4 OF 5 STARTING FROM FENCELINE ‐ NORTH TO SOUTH
PLANTED JUNE 6, 2013 ‐ SIX GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO SIX WINTERS BEFORE 2019 RATING
LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Cornus alba Cream Cracker Dogwood — 3 3, small stature Cornus alba Baton Rouge Dogwood First Edi ons 3 3, medium stature Cornus alba Prairie Fire Dogwood — 3 3, medium stature Cornus alba Red Gnome Dogwood — 3 3C, small stature Cornus alba Buds Yellow Dogwood — 3 3, large stature Cornus alba Silver Variegated Dogwood — 3 3, large stature Cornus alba Ivory Halo Dogwood Bailey 3 3, medium stature Cornus alba Golden Variegated Dogwood — 3 3, medium stature Cornus alba Morden Amber Dogwood AAFC 3 3, large stature Cornus alba Li le Rebel Dogwood Jeffries 3 3, medium stature Cornus alba Siberian Pearls Dogwood — 3 3C, weak plants Cornus stolonifera Hedgerows Gold Dogwood 4 4, all dead Cornus sericea Firedance Dogwood First Edi ons 3 3, medium stature Cornus stolonifera Arc c Fire Dogwood Proven Winners 3 3, large stature Cornus baileyi Red Twigged Dogwood — 3 3, large stature Cornus sericea Pucker Up Dogwood Proven Winners 3 3, small stature Cornus sericea Cardinal Dogwood MNRC 3 3, large stature Cornus sericea Silver & Gold Dogwood Mt Cuba Center 3 3C, frequent dieback Cornus racemosa Gray Dogwood seedlings 3 4, weakened by dieback Hydrangea arborescens Bella Anna Hydrangea First Edi ons 4 4, weakened by dieback Hydrangea arborescens Bounty Hydrangea — 3 3, medium stature Hydrangea arborescens Annabelle Hydrangea — 3 3, medium stature Hydrangea arborescens Incrediball Hydrangea Proven Winners 3 3, large stature Hydrangea arborescens Invincibelle Spirit Hydrangea Proven Winners 3 3, large stature Hydrangea paniculata Bobo Hydrangea Proven Winners 3 3C, small stature Hydrangea paniculata Bombshell Hydrangea Ball 3 3C, small stature, weak Hydrangea paniculata Fire & Ice Hydrangea Ball 3 3, large, early bloomer Hydrangea paniculata Limelight Hydrangea Proven Winners 3 3, large stature
Zone 3 = li le to no winter damage, well adapted for southern Manitoba Zone 3C = collector plant: obvious winter damage in most years, but plant shows vigorous regrowth Zone 4 = plant can’t overcome obvious winter damage, slowly weakens
6 7
WHAT TO LOOK FOR IN ROW 3
Note similarities between purple-leafed ninebarks Flowers on 1 year wood of ‘Endless Summer’ Hydrangea Variation in plant stature and bloom time across panicle hydrangea cultivars
WHAT TO LOOK FOR IN ROW 4
Compact habit of ‘Cream Cracker’, ‘Ivory Halo’ and ‘Little Rebel’ Dogwood Outstanding pink inflorescences on ‘Invincibelle Spirit’ Hydrangea Variation in plant stature and bloom time across panicle hydrangea cultivars
ROW 5 OF 5 STARTING FROM FENCELINE ‐ NORTH TO SOUTH PLANTED JUNE 2016 ‐ THREE GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO THREE WINTERS BEFORE 2019 RATING LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Weigela florida Date Night™ Strobe™ Weigela Bloomin Easy 4 4, weakened by dieback Spiraea japonica Poprocks™ Rainbow Fizz™ Spirea Bloomin Easy 3 3 Diervilla x Firefly Dawnchaser Diervilla Bloomin Easy ‐ test plant 4 3C, frequent dieback Poten lla fru cosa Bella Bellissima™ Poten lla Bloomin Easy 3 4, weakened by dieback Poten lla fru cosa #1322 Poten lla Jeffries 3 3 Poten lla fru cosa Bella Sol™ Poten lla Bloomin Easy 3 3 Diervilla x Firefly™ Nightglow™ Diervilla Bloomin Easy 4 3 Hydrangea paniculata LL Candelabra™ Hydrangea Bloomin Easy 3 3 Hydrangea paniculata LL Moonrock™ Hydrangea Bloomin Easy 3 3 Hydrangea paniculata LL Flare™ Hydrangea Bloomin Easy 3 3C, frequent dieback Arctostaphylos uva‐ursi Massachuse s Bearberry Bailey 3 3 Rhus trilobata Autumn Amber Sumac Bailey 4 died out, poor transplant Comptonia peregrina Swee ern Bailey 3 3C, frequent dieback Physocarpus opulifolius #1108 Ninebark Jeffries 3 3 Physocarpus opulifolius Royal Jubilee Ninebark Jeffries 3 3 Hypericum kalmianum Cobalt‐n‐Gold™ Hypericum First Edi ons 4 3C, frequent dieback Poten lla fru cosa Crème Brûlée™ Poten lla First Edi ons 3 3 Cornus amomum Cayenne Dogwood First Edi ons 4 3C, frequent dieback Corylus americana Purple Leaf Select Hazelnut Bailey 3 3 Weigela florida Shining Sensa on Weigela First Edi ons 4 3C, frequent dieback Betula x ple kei Golden Treasure' Dwarf Birch Proven Winners 3 3C, frequent dieback Ilex ver cillata Mr. Poppins™ Winterberry Proven Winners 3 died out, poor transplant Physocarpus opulifolius Tiny Wine® Gold Ninebark Proven Winners 3 3 Parthenocissus Red Wall® Virginia creeper Proven Winners 3 3 Ilex ver cillata Berry Poppins Winterberry Proven Winners 3 died out, poor transplant Hydrangea arborescens Incrediball® Blush Hydrangea Proven Winners 3 3 Parthenocissus Yellow Wall Virginia Creeper Proven Winners 3 3C Viburnum cassinoides Lil' Di y Witherod Viburnum Proven Winners 3 died out, poor transplant Aronia melanocarpa Low Scape Mound Chokeberry Proven Winners 3 died out, poor transplant Salix x Iceberg Alley Willow — 3 3 PLANTED JUNE 2017 ‐ TWO GROWING SEASONS AFTER TRANSPLANT, EXPOSED TO TWO WINTERS BEFORE 2019 RATING LATIN COMMON CULTIVAR PUBLISHED 2019 TRIAL RATING, NAME NAME SOURCE RATING COMMENTS Physocarpus opulifolius Royal Jubilee Ninebark Jeffries 3 3 Physocarpus opulifolius Li le Angel Ninebark Concept Plants 3 3 Physocarpus opulifolius Panther Ninebark Bloomin Easy 3 3C, frequent dieback Weigela florida Spring2 Weigela Bloomin Easy ‐ test plant — 4, weakened by dieback Poten lla fru cosa Lemon Meringue™ Poten lla First Edi ons 3 3 Poten lla fru cosa Crème Brûlée™ Poten lla First Edi ons 3 3 Philadelphus x Snow Dwarf Mockorange — 3 3C, frequent dieback Viburnum lentago Homefree Viburnum U of Minnesota 4 3C, frequent dieback Hydrangea paniculata Diamond Rouge Hydrangea First Edi ons 4 3 Cornus alba Neon Burst Dogwood First Edi ons 3 3 Rosa x Above & Beyond Rose First Edi ons 3 3
Zone 3 = li le to no winter damage, well adapted for southern Manitoba Zone 3C = collector plant: obvious winter damage in most years, but plant shows vigorous regrowth Zone 4 = plant can’t overcome obvious winter damage, slowly weakens
8 9
YOUR NOTES
WHAT TO LOOK FOR IN ROW 5
Purple foliage on ‘Firefly’ Diervilla and Bailey Select Hazelnut Dwarf, compact habit of Jeffries’ ‘Royal Jubilee’ Ninebark New potentillas from First Editions developed at Morden Research Station Silver foliage and compact habit of ‘Iceberg Alley’ Willow