Hoyt Arboretum 2019 HSA #2 HOYT ARBORETUM Portland, OR USDA Hardiness Zone 7b Hoyt Arboretum is a 90

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  • HOYT ARBORETUM Portland, OR USDA Hardiness Zone 7b

    Hoyt Arboretum is a 90 year old municipal arboretum situated in Washington Park, Portland Oregon. The 200 acre arboretum displays a global tree collection of over 2000 species.

    The Ilex collection was designed and established with nursery partnerships in 1997. Large tree donations came from Oregon State University’s nursery breeding program and Teufel Nursery Holly Farm foliage production facility located a few miles from the Arboretum.

    The Ilex collection has cultivar and botanical specimen components. It is one of a few public gardens on the West Coast with an extensive Holly collection. We strive to provide gardeners with good alternative holly to grow instead of Ilex aquifolium as the species and some of the cultivars are weedy in Pacific Northwest forests.

    We have 212 and 126 taxa in our collection. Martin Nicholson, Martin.nicholson@portlandoregon.gov 4000 SW Fairveiw Blvd, Portland, OR

    mailto:Martin.nicholson@portlandoregon.gov mailto:Martin.nicholson@portlandoregon.gov

  • Annual Ilex Report Reflective of Period 1/1/2018 – 12/31/2018

    ORGANIZATION INFORMATIONORGANIZATION INFORMATION

    Organization name: Hoyt Arboretum

    Postal address: 4000 SW Fairveiw Blvd

    Email address: info@hoytarboretum.org

    Telephone: 503 865 8733 Name of person submitting report: Martin Nicholson Email address of person submitting report: Martin.nicholson@portlandoregon.gov

    HISTORY ABOUT YOUR ORGANIZATION AND/OR ILEX COLLECTION (this section is expandable)

    Hoyt Arboretum is a 90 year old municipal arboretum situated in Washington Park, Portland Oregon. The 200 acre arboretum displays a global tree collection of over 2000 species. The Ilex collection was designed and established with nursery partnerships in 1997. Large tree donations came from Oregon State University’s nursery breeding program and Teufel Nursery Holly Farm foliage production facility located a few miles from the Arboretum. The Ilex collection has cultivar and botanical specimen components. It is one of a few public gardens on the West Coast with an extensive Holly collection. We strive to provide gardeners with good alternative holly to grow instead of Ilex aquifolium as the species and some of the cultivars are weedy in Pacific Northwest forests.

    Page 1 of 5

    mailto:Martin.nicholson@portlandoregon.gov mailto:Martin.nicholson@portlandoregon.gov

  • PERTINENT WEATHER INFORMATIONPERTINENT WEATHER INFORMATIONPERTINENT WEATHER INFORMATIONPERTINENT WEATHER INFORMATIONPERTINENT WEATHER INFORMATION

    USDA hardiness zone: 7b7b7b7b

    Maximum temperature: Fahrenheit: 101F Celsius:

    Minimum temperature: 24F in 2018 9F in the last 10 years24F in 2018 9F in the last 10 years24F in 2018 9F in the last 10 years24F in 2018 9F in the last 10 years

    Total annual rainfall: 34 inches34 inches34 inches34 inches Seasonal rainfall patterns: (months you received significant precipitation) Oct - JuneOct - JuneOct - JuneOct - June Seasonal drought patterns: (months you experienced drought conditions) July - SeptemberJuly - SeptemberJuly - SeptemberJuly - September

    Total annual snowfall: 4 inches in 2018 6 -10 4 inches in 2018 6 -10 4 inches in 2018 6 -10 4 inches in 2018 6 -10

    Other pertinent climate- related data:

    Hoyt Arboretum is at 800 ft ASL so receives more snow and rain than the City average. 2018 was a drier than average year. Hoyt Arboretum is at 800 ft ASL so receives more snow and rain than the City average. 2018 was a drier than average year. Hoyt Arboretum is at 800 ft ASL so receives more snow and rain than the City average. 2018 was a drier than average year. Hoyt Arboretum is at 800 ft ASL so receives more snow and rain than the City average. 2018 was a drier than average year.

    COLLECTION STATISTICSCOLLECTION STATISTICSCOLLECTION STATISTICSCOLLECTION STATISTICS

    # of Ilex in your collection: 212 # of Ilex taxa in your collection: 126

    2018 ACCESSIONS (this section is expandable to accommodate multiple entries)

    Ilex crenata 'Drops of Gold' Ilex crenata 'Lemon Gem' Ilex 'Rock Garden' Ilex × 'Whoa Nellie' Ilex nothofagifolia

    Page 2 of 5

  • 2018 DEACCESSIONS (this section is expandable to accommodate multiple entries)

    None

    TEST HOLLY EVALUATION RESULTS (this section is expandable)TEST HOLLY EVALUATION RESULTS (this section is expandable)TEST HOLLY EVALUATION RESULTS (this section is expandable)TEST HOLLY EVALUATION RESULTS (this section is expandable)TEST HOLLY EVALUATION RESULTS (this section is expandable)

    Year Issued Botanical Name

    Overall Performance

    (excellent, good, fair, poor, or NA)

    Heat / Cold Tolerant? Notes (optional)

    2018 Ilex cornuta 'Dennis's Jade' 2018 Ilex cornuta 'Jane's Jade' 2017 Ilex (cornuta ‘Burfordii’ x

    latifolia) ‘Homefire’ 2017 Ilex latifolia x ‘Elizabeth

    Coleman’ 2016 Ilex dimorphophylla x cornuta

    'Carolina Cone' 2015 Ilex cornuta 'China Doll' 2015 Ilex aquifolium 'Holly Girl' 2014 Ilex 'Dragon Slayer' 2013 Ilex 'Cherry Bomb' 2013 Ilex 'Dragon Claws' 2012 Ilex 'HL10-90' Christmas

    Jewel™ 2011 Ilex 'Dapat' Miss Patricia™ 2010 Ilex aquifolium x cornuta ‘Sled

    Run’ 2009 Ilex cornuta x ciliospinosa

    'B51517' 2009 Ilex cornuta x pernyi 'Hugger' 2009 Ilex verticillata ‘Chickemmoo’ 2009 Ilex x attenuata 'Bronze Beauty' 2008 Ilex serrata 'Longwood Firefall'

    Page 3 of 5

  • 2008 Ilex 'Baltimore Blaze' 2008 Ilex latifolia 'Leah Bates'

    HOLLY OF THE YEAR EVALUATION RESULTS (this section is expandable)HOLLY OF THE YEAR EVALUATION RESULTS (this section is expandable)HOLLY OF THE YEAR EVALUATION RESULTS (this section is expandable)HOLLY OF THE YEAR EVALUATION RESULTS (this section is expandable)HOLLY OF THE YEAR EVALUATION RESULTS (this section is expandable)

    Award Year Botanical Name

    Overall Performance

    (excellent, good, fair, poor, or NA)

    Recommend? (yes / no) Notes (optional)

    2019 Ilex opaca ‘Miss Helen’ NA 2018 Ilex opaca f. xanthocarpa NA 2017 Ilex glabra NA 2016 Ilex opaca 'Maryland Dwarf' NA 2015 Ilex crenata ‘Helleri’ good yes 2014 Ilex × meserveae ‘Mesgolg’

    Golden Girl® NA

    2013 Ilex pedunculosa fair yes Nice foliage and interesting form

    2012 Ilex aquifolium 'Proud Mary' 2011 Ilex ‘Nellie R. Stevens’ good yes Profuse bloom and fruit 2010 Ilex verticillata ‘Red Sprite’ excellent yes 4ft by 4ft after 20 years 2009 Ilex ’Scepter’ NA 2008 Ilex verticillata ‘Maryland

    Beauty’ N

    2007 Ilex aquifolium ‘Lewis’ NA 2006 Ilex × attenuata 'Sunny Foster' NA 2005 Ilex × koehneana ‘Lassie’ NA 2004 Ilex crenata ‘Sky Pencil’ poor no Does not hold upright

    form well 2003 Ilex opaca 'Satyr Hill NA

    NOTABLE PERFORMERS (this section is expandable)

    Page 4 of 5

  • FUTURE ACQUISITIONS OR PROJECTS (optional) (this section is expandable)

    WHAT AND WHERE TO SUBMIT

    • Your Ilex inventory o Upload your Ilex inventory, (names and accession numbers only), by double-

    clicking on the icon to the right. Save the file after entering your collection information.

    • Photos of your collection or individual specimens (to be used in the Holly Journal).

    • Your annual report (this document).

    • SUBMIT ALL TO EMILY JERNIGAN: emily@jernigans.net

    Page 5 of 5

    mailto:emily@jernigans.net mailto:emily@jernigans.net

  • ILEX INVENTORY Name of your organiza8on: Hoyt Arboretum

    Collec&on Informa&on Botanical Name Accession #

    Ilex yunnanensis Franch. 2002-063

    Ilex yunnanensis Franch. 2002-063

    Ilex yunnanensis Franch. 2002-063

    Ilex aquifolium 'Malcolm S. Whipple' 2002-098

    Ilex aquifolium 'Malcolm S. Whipple' 2002-098

    Ilex 'Jenny Brunner' 2002-099

    Ilex 'Jenny Brunner' 2002-099

    Ilex 'Jenny Brunner' 2002-099

    Ilex opaca 'Canary' 2002-100

    Ilex opaca 'Canary' 2002-100

    Ilex unknown (sic) 2002-101

    Ilex sp. 2002-102

    Ilex aquifolium Lour. 'Pinto' 2002-107

    Ilex ver&cillata 'ARerglow' 2002-108

    Ilex ver&cillata 'ARerglow' 2002-108

    Ilex ver&cillata 'ARerglow' 2002-108

    Ilex ver&cillata 'Winter Red' 2002-111

    Ilex ver&cillata 'Winter Red' 2002-111

    Ilex crenata Thunb. 'Sky Sentry' 2002-113

    Ilex crenata Thunb. 'Convexa' 2002-119

    Ilex crenata Thunb. 'Convexa' 2002-119

    Ilex pedunculosa Miq. 2002-114

    Ilex pernyi Franch. 1968-2383

    Ilex pernyi Franch. 1968-2383

    Ilex pernyi Franch. 1968-2383

    Ilex × koehneana 1972-2399

    Ilex × koehneana 1972-2403

    Ilex × koehneana 1972-2403

    Ilex × koehneana 1972-2403

    Ilex la&folia Thunb. 1966-2406

    Ilex la&folia Thunb. 1966-2406

    Ilex opaca 1978-2536

    Ilex aquifolium L. 1938-2554

    Ilex aquifolium L. 1938-2554

    Ilex aquifolium L. 1938-2555

    Ilex unknown (sic) 0000-4082

    Ilex aquifolium angustata variegata (sic) 2001-009

    �1

  • Ilex × meserveae 'Blue Boy' 1993-066

    Ilex aquifolium 'Dapper' 1993-031

    Ilex aquifolium 'Ferox Argentea' 1993-009

    Ilex aquifolium 'Ferox Argentea' 1993-009

    Ilex aquifolium 'Crinkle Variegated' 1993-027

    Ilex aquifolium 'Crinkle Variegated' 1993-027

    Ilex aquifolium 'Crinkle Variegated' 1993-027

    Ilex altaclerensis 'Wieman's Hedge-