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Trees

  • Vanderwolf Pyramid, Limber Pine - 2019 Pinus flexilis
    Vanderwolf Pyramid, Limber Pine
    2019 Pinus flexilis
  • Vanderwolf Pyramid, Limber Pine - 2019 Pinus flexilis
    Vanderwolf Pyramid, Limber Pine
    2019 Pinus flexilis
  • Japanese Zelkova - 2018 Zelkova serrata 'Schmidtlow Wireless'
    Japanese Zelkova
    2018 Zelkova serrata 'Schmidtlow Wireless'
  • Japanese Zelkova - 2018 Zelkova serrata 'Musashino'
    Japanese Zelkova
    2018 Zelkova serrata 'Musashino'
  • Japanese Zelkova - 2018 Zelkova serrata 'Ogon'
    Japanese Zelkova
    2018 Zelkova serrata 'Ogon'
  • Fringetree - 2017 Chionanthus cultivars
    Fringetree
    2017 Chionanthus cultivars
  • Fringetree - 2017 Chionanthus Virginicus
    Fringetree
    2017 Chionanthus Virginicus
  • Chioanthus - 2017 virgincus
    Chioanthus
    2017 virgincus
  • Chionanthus Fruit - 2017 Chionanthus
    Chionanthus Fruit
    2017 Chionanthus
  • Escarpment Oak - 2016 Quercus fusiformis
    Escarpment Oak
    2016 Quercus fusiformis
  • Escarpment Live Oak - 2016 Acorn
    Escarpment Live Oak
    2016 Acorn
  • Hedge Maple - 2015 Acer campestre
    Hedge Maple
    2015 Acer campestre
  • Desert-willow cultivars - 2014 Chilopsis liners
    Desert-willow cultivars
    2014 Chilopsis liners
  • Desert-willow cultivars - 2014 Chilopsis Flower
    Desert-willow cultivars
    2014 Chilopsis Flower
  • Winterberry Euonymus - 2013 Euonymus bungeanus
    Winterberry Euonymus
    2013 Euonymus bungeanus
  • Chinkapin Oak - 2012 Chinkapin Oak
    Chinkapin Oak
    2012 Chinkapin Oak
  • 'New Harmony' American Elm - 2011 Ulmus americana
    'New Harmony' American Elm
    2011 Ulmus americana
  • Indian Cherry - 2010 Rhamuns carolinians
    Indian Cherry
    2010 Rhamuns carolinians
  • Arizona Cypress - 2009 Cupressus arizonica
    Arizona Cypress
    2009 Cupressus arizonica
  • Bosnian Pine - 2008 Pinus heldreichii
    Bosnian Pine
    2008 Pinus heldreichii
  • Oklahoma Redbud - 2007 Cercis canadensis var. texensis
    Oklahoma Redbud
    2007 Cercis canadensis var. texensis
  • ‘Prairifire’ Crabapple - 2006 Malus ' Prairifire'
    ‘Prairifire’ Crabapple
    2006 Malus ' Prairifire'
  • Cedar Elm - 2005 Ulmus crassifolia
    Cedar Elm
    2005 Ulmus crassifolia
  • Cedar Elm - 2005 Ulmus crassifolia
    Cedar Elm
    2005 Ulmus crassifolia
  • Shantung Maple - 2004 Acer truncatum
    Shantung Maple
    2004 Acer truncatum
  • Kentucky Coffee Tree - 2003 Gymnocladus dioica
    Kentucky Coffee Tree
    2003 Gymnocladus dioica
  • Bur Oak - 2002 Quercus macrocarpa
    Bur Oak
    2002 Quercus macrocarpa
  • Shumard Oak - 2001 Quercus shumardii
    Shumard Oak
    2001 Quercus shumardii
  • Bald Cypress - 2000 Taxodium distichum
    Bald Cypress
    2000 Taxodium distichum
  • Chinese Pistache - 1999 Pistacia chinensis
    Chinese Pistache
    1999 Pistacia chinensis

Oklaoma Proven! logo.jpg

 

Oklahoma Proven is a plant promotion program coordinated by faculty in the Department of Horticulture and Landscape Architecture at Oklahoma State University. The goal of the program is to recommend plants well-adapted for use across Oklahoma.

 

 

Tree for 2000

Bald Cypress

Taxodium distichum

This large Oklahoma native will lose its leaves in the fall after turning a russet or coppery-bronze and can easily grow to 70’ high with a 30’ spread. Tolerant of both wet and dry soils, Bald Cypress makes an outstanding specimen, street tree, or pond-side grove.

  • Sun exposure: Full
  • Soil: Well-drained to flood tolerant
  • Hardiness: USDA Zone 4

 

 

 

Shrub for 2000

‘Magic Carpet’ Spirea

Spiraea japonica 'Magic Carpet'

‘Magic Carpet’ Spirea is a new compact cultivar from England with dark pink flowers and reddish shoots bearing gold-tinged young foliage in spring. This shrub will remain compact, making it perfect for mixed borders, rock gardens, or small-scale landscapes.

  • Sun exposure: Full
  • Soil: Moist, well-drained
  • Hardiness: USDA Zone 4

 

 

 

Perennial for 2000

Homestead Purple Verbena

Verbena canadensis 'Homestead Purple'

Homestead Purple’s deep purple flowers and trailing habit make it perfect for hanging baskets, as a ground cover, or as the foreground of a mixed border. This North American native will bloom from spring to frost, slowing down only slightly during the hottest months.

  • Sun exposure: Full
  • Soil: Moist, well-drained
  • Hardiness: USDA Zone 4

 

 

 

Annual for 2000

Fan Flower

Scaevola aemula

Fan Flower is an evergreen tropical used as an annual in temperate climates. This low-growing plant carpets the ground with flowers all season long when grown in full sun. It prefers a moist, well-drained soil but is quite drought tolerant once established.

  • Sun exposure: Full
  • Soil: Moist, well-drained
  • Hardiness: Use as an annual