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Perennial

  • Rattlesnake Master - 2019 Eryngium yuccifolium
    Rattlesnake Master
    2019 Eryngium yuccifolium
  • Rattlesnake Master - 2019 Eryngium yuccifolium
    Rattlesnake Master
    2019 Eryngium yuccifolium
  • Indian pink - 2018 Spigelia marilandica
    Indian pink
    2018 Spigelia marilandica
  • Indian pink - 2018 Spigelia marilandica
    Indian pink
    2018 Spigelia marilandica
  • Milkweed - 2017 Asclepias
    Milkweed
    2017 Asclepias
  • Milkweed - 2017 Asclepias
    Milkweed
    2017 Asclepias
  • Milkweed - 2017 Asclepias
    Milkweed
    2017 Asclepias
  • Sedge - 2016 Carex species
    Sedge
    2016 Carex species
  • Sedge - 2016 Carex species
    Sedge
    2016 Carex species
  • Volcano Phlox - 2015 Phlox paniculata
    Volcano Phlox
    2015 Phlox paniculata
  • Switch Grass - 2014 Panicum virgatum cultivars
    Switch Grass
    2014 Panicum virgatum cultivars
  • ‘Walker’s Low’  Catmint  - 2013 Nepeta x faassenii
    ‘Walker’s Low’ Catmint
    2013 Nepeta x faassenii
  • Arkansas Bluestar - 2012 Amsonia hubrichtii
    Arkansas Bluestar
    2012 Amsonia hubrichtii
  • Arkansas Bluestar - 2012 Amsonia hubrichtii
    Arkansas Bluestar
    2012 Amsonia hubrichtii
  • Arkansas Bluestar - 2012 Amsonia hubrichtii
    Arkansas Bluestar
    2012 Amsonia hubrichtii
  • Giant Coneflower - 2011 Rudbeckia maxima
    Giant Coneflower
    2011 Rudbeckia maxima
  • Giant Coneflower - 2011 Rudbeckia maxima
    Giant Coneflower
    2011 Rudbeckia maxima
  • Toad Lily - 2010 Tricyrtis hirta
    Toad Lily
    2010 Tricyrtis hirta
  • Mexican Feather Grass - 2009 Nassella tenuissima
    Mexican Feather Grass
    2009 Nassella tenuissima
  • Hellebore - 2008 Helleborus
    Hellebore
    2008 Helleborus
  • Evening Primrose - 2007 Oenothera macrocarpa
    Evening Primrose
    2007 Oenothera macrocarpa
  • 'Golden Jubilee' Anise Hyssop - 2006 Agastache foeniculum 'Golden Jubilee'
    'Golden Jubilee' Anise Hyssop
    2006 Agastache foeniculum 'Golden Jubilee'
  • Perennial Plumbago - 2005 Ceratostigma plumbaginoides
    Perennial Plumbago
    2005 Ceratostigma plumbaginoides
  • Autumn Sage - 2004 Salvia greggii 'Pink Perfernce'
    Autumn Sage
    2004 Salvia greggii 'Pink Perfernce'
  • Japanese Painted Fern - 2003 Athyrium nipponicum
    Japanese Painted Fern
    2003 Athyrium nipponicum
  • 'Magnus' Purple Coneflower - 2002 Echinacea purpurea 'Magnus'
    'Magnus' Purple Coneflower
    2002 Echinacea purpurea 'Magnus'
  • 'Siskiyou Pink' Gaura - 2001 Gaura lindheimeri 'Siskiyou Pink'
    'Siskiyou Pink' Gaura
    2001 Gaura lindheimeri 'Siskiyou Pink'
  • 'Homestead Purple' Verbena - 2000 Verbena canadensis 'Homestead Purple'
    'Homestead Purple' Verbena
    2000 Verbena canadensis 'Homestead Purple'
  • 'Powis Castle' - 1999 Artemisia 'Powis Castle'
    'Powis Castle'
    1999 Artemisia 'Powis Castle'

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