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1999-2018 Photos

  • 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'
  • Bush Clover 'Gibraltar' - 2018 Lespedeza thunbergii subsp. thunbergii
    Bush Clover 'Gibraltar'
    2018 Lespedeza thunbergii subsp. thunbergii
  • Bush Clover ‘Gibraltar’ - 2018 Lespedeza thunbergii subsp. thunbergii
    Bush Clover ‘Gibraltar’
    2018 Lespedeza thunbergii subsp. thunbergii
  • Indian pink - 2018 Spigelia marilandica
    Indian pink
    2018 Spigelia marilandica
  • Indian pink - 2018 Spigelia marilandica
    Indian pink
    2018 Spigelia marilandica
  • Supertunia® Vista Bubblegum® - 2018 Petunia 'Ustuni6001'
    Supertunia® Vista Bubblegum®
    2018 Petunia 'Ustuni6001'
  • Supertunia® Vista Bubblegum® - 2018 Petunia 'Ustuni6001'
    Supertunia® Vista Bubblegum®
    2018 Petunia 'Ustuni6001'
  • Chinese Date - 2017 Ziziphus jujuba
    Chinese Date
    2017 Ziziphus jujuba
  • Ziziphus Fruit - 2017 Chinese Date
    Ziziphus Fruit
    2017 Chinese Date
  • 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
  • Dwarf Palmetto - 2017 Sabal minor
    Dwarf Palmetto
    2017 Sabal minor
  • Dwarf Palmetto - 2017 Sabal minor
    Dwarf Palmetto
    2017 Sabal minor
  • Milkweed - 2017 Asclepias
    Milkweed
    2017 Asclepias
  • Milkweed - 2017 Asclepias
    Milkweed
    2017 Asclepias
  • Milkweed - 2017 Asclepias
    Milkweed
    2017 Asclepias
  • Firecracker Flower - 2017 Crossandra infundibuliformis
    Firecracker Flower
    2017 Crossandra infundibuliformis
  • Firecracker Flower - 2017 Crossandra infindibuliformis
    Firecracker Flower
    2017 Crossandra infindibuliformis
  • Firecracker Flower Red - 2017 Crossandra infindibuliformis
    Firecracker Flower Red
    2017 Crossandra infindibuliformis
  • Deciduous Cultivars - 2016 Magnolia
    Deciduous Cultivars
    2016 Magnolia
  • Magnolia - 2016 Elizabeth
    Magnolia
    2016 Elizabeth
  • Magnolia - 2016 Elizabeth
    Magnolia
    2016 Elizabeth
  • Deciduous Cultivars - 2016 Magnolia
    Deciduous Cultivars
    2016 Magnolia
  • Escarpment Oak - 2016 Quercus fusiformis
    Escarpment Oak
    2016 Quercus fusiformis
  • Escarpment Live Oak - 2016 Acorn
    Escarpment Live Oak
    2016 Acorn
  • Yucca - 2016 Yucca filamentosa
    Yucca
    2016 Yucca filamentosa
  • Color Guard Yacca - 2016 Yucca filamentosa
    Color Guard Yacca
    2016 Yucca filamentosa
  • Sedge - 2016 Carex species
    Sedge
    2016 Carex species
  • Sedge - 2016 Carex species
    Sedge
    2016 Carex species
  • Vinca - 2016 Catharanthus
    Vinca
    2016 Catharanthus
  • Vinca - 2016 Catharanthus
    Vinca
    2016 Catharanthus
  • Vinca - 2016 Catharanthus
    Vinca
    2016 Catharanthus
  • Black Gum - 2015 Nyssa sylvatica
    Black Gum
    2015 Nyssa sylvatica
  • Hedge Maple - 2015 Acer campestre
    Hedge Maple
    2015 Acer campestre
  • Barberry - 2015 Berberis thunbergii
    Barberry
    2015 Berberis thunbergii
  • Volcano Phlox - 2015 Phlox paniculata
    Volcano Phlox
    2015 Phlox paniculata
  • Spider Flower - 2015 Cleome hybrids
    Spider Flower
    2015 Cleome hybrids
  • Seven-son-flower - 2014 Heptacodium miconioides
    Seven-son-flower
    2014 Heptacodium miconioides
  • Seven-son-flower - 2014 Heptacodium miconioides
    Seven-son-flower
    2014 Heptacodium miconioides
  • Desert-willow cultivars - 2014 Chilopsis liners
    Desert-willow cultivars
    2014 Chilopsis liners
  • Desert-willow cultivars - 2014 Chilopsis Flower
    Desert-willow cultivars
    2014 Chilopsis Flower
  • ‘Christom’  Blue Muffin® - 2014 Viburnum dentatum
    ‘Christom’ Blue Muffin®
    2014 Viburnum dentatum
  • ‘Christom’ Blue Muffin® Fruit - 2014 Viburnum dentatum
    ‘Christom’ Blue Muffin® Fruit
    2014 Viburnum dentatum
  • Switch Grass - 2014 Panicum virgatum cultivars
    Switch Grass
    2014 Panicum virgatum cultivars
  • 'Big Twister' Corkscrew Rush - 2014 Juncus effusus 'Big Twister'
    'Big Twister' Corkscrew Rush
    2014 Juncus effusus 'Big Twister'
  • Fruit Collection - 2013 Fruit Collection
    Fruit Collection
    2013 Fruit Collection
  • Fruit Collection - 2013 Fruit Collection
    Fruit Collection
    2013 Fruit Collection
  • Winterberry Euonymus - 2013 Euonymus bungeanus
    Winterberry Euonymus
    2013 Euonymus bungeanus
  • Winterberry Fruit - 2013 Winterberry Fruit
    Winterberry Fruit
    2013 Winterberry Fruit
  • Chaste Tree - 2013 Vitex
    Chaste Tree
    2013 Vitex
  • Chaste Tree Flower - 2013 Chaste Tree Flower
    Chaste Tree Flower
    2013 Chaste Tree Flower
  • ‘Walker’s Low’  Catmint  - 2013 Nepeta x faassenii
    ‘Walker’s Low’ Catmint
    2013 Nepeta x faassenii
  • Dakota Gold - 2013 Helenium 'Dakota Gold'
    Dakota Gold
    2013 Helenium 'Dakota Gold'
  • Dakota Gold - 2013 Dakota Gold
    Dakota Gold
    2013 Dakota Gold
  • Tiger Eye - 2012 Rhus typhina
    Tiger Eye
    2012 Rhus typhina
  • Chinkapin Oak - 2012 Chinkapin Oak
    Chinkapin Oak
    2012 Chinkapin Oak
  • Juniper 'Taylor' - 2012 Juniperus virginiana 'Tylor'
    Juniper 'Taylor'
    2012 Juniperus virginiana 'Tylor'
  • Icee Blue - 2012 J. horizontalis 'Monber'
    Icee Blue
    2012 J. horizontalis 'Monber'
  • 'Saybrook Gold' - 2012 J. chinensis 'Saybrook Gold'
    'Saybrook Gold'
    2012 J. chinensis 'Saybrook Gold'
  • 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
  • Magilla™ Perilla - 2012 Perilla frutescens
    Magilla™ Perilla
    2012 Perilla frutescens
  • Silver Linden - 2011 Titia tomentosa
    Silver Linden
    2011 Titia tomentosa
  • Silver Linden - 2011 Tilia tomentosa
    Silver Linden
    2011 Tilia tomentosa
  • 'New Harmony' American Elm - 2011 Ulmus americana
    'New Harmony' American Elm
    2011 Ulmus americana
  • Little Richard - 2011 Abelia x grandiflora
    Little Richard
    2011 Abelia x grandiflora
  • Kaleidoscope - 2011 Abelia x grandiflora
    Kaleidoscope
    2011 Abelia x grandiflora
  • Rose Creek' Abeia - 2011 Abelia
    Rose Creek' Abeia
    2011 Abelia
  • Giant Coneflower - 2011 Rudbeckia maxima
    Giant Coneflower
    2011 Rudbeckia maxima
  • Giant Coneflower - 2011 Rudbeckia maxima
    Giant Coneflower
    2011 Rudbeckia maxima
  • Pink Crystal Ruby Grass - 2011 Melinus nerviglumis 'Savannah'
    Pink Crystal Ruby Grass
    2011 Melinus nerviglumis 'Savannah'
  • Pink Crystals Ruby Grass - 2011 Melinus nerviglumis
    Pink Crystals Ruby Grass
    2011 Melinus nerviglumis
  • 'Caddo' Sugar Maple - 2010 Acer saccharum 'Caddo'
    'Caddo' Sugar Maple
    2010 Acer saccharum 'Caddo'
  • Indian Cherry - 2010 Rhamuns carolinians
    Indian Cherry
    2010 Rhamuns carolinians
  • Koreanspice Viburnum - 2010 Viburnum carlesii
    Koreanspice Viburnum
    2010 Viburnum carlesii
  • Toad Lily - 2010 Tricyrtis hirta
    Toad Lily
    2010 Tricyrtis hirta
  • Silver Falls Dichondra - 2010 Dichondra argentea
    Silver Falls Dichondra
    2010 Dichondra argentea
  • Persian Parrotia - 2009 Parrotia persica
    Persian Parrotia
    2009 Parrotia persica
  • Parrotia Bark - 2009 Persian Parrotia Bark
    Parrotia Bark
    2009 Persian Parrotia Bark
  • Arizona Cypress - 2009 Cupressus arizonica
    Arizona Cypress
    2009 Cupressus arizonica
  • Cyress Bark - 2009 Arizona Cyress Bark
    Cyress Bark
    2009 Arizona Cyress Bark
  • Chokebeery - 2009 Aronia
    Chokebeery
    2009 Aronia
  • Chokebeery Fruit - 2009Chokebeery Fruit
    Chokebeery Fruit
    2009Chokebeery Fruit
  • Mexican Feather Grass - 2009 Nassella tenuissima
    Mexican Feather Grass
    2009 Nassella tenuissima
  • Diamond Frost Euphorbia - 2009 Euphorbia 'Inneuphdia'
    Diamond Frost Euphorbia
    2009 Euphorbia 'Inneuphdia'
  • Bosnian Pine - 2008 Pinus heldreichii
    Bosnian Pine
    2008 Pinus heldreichii
  • American Beautyberry - 2008 Callicarpa americana
    American Beautyberry
    2008 Callicarpa americana
  • Hellebore - 2008 Helleborus
    Hellebore
    2008 Helleborus
  • Spilanthes - 2008 Acmella oleracea 'Peek-A-Boo'
    Spilanthes
    2008 Acmella oleracea 'Peek-A-Boo'
  • Oklahoma Redbud - 2007 Cercis canadensis var. texensis
    Oklahoma Redbud
    2007 Cercis canadensis var. texensis
  • Southern Waxmyrtle - 2007 Myrica cerifera
    Southern Waxmyrtle
    2007 Myrica cerifera
  • Evening Primrose - 2007 Oenothera macrocarpa
    Evening Primrose
    2007 Oenothera macrocarpa
  • Blanket Flower - 2007 Gaillardia
    Blanket Flower
    2007 Gaillardia
  • ‘Prairifire’ Crabapple - 2006 Malus ' Prairifire'
    ‘Prairifire’ Crabapple
    2006 Malus ' Prairifire'
  • Diabolo® Ninebark - 2006 Physocarpus opulifolius 'Monlo'
    Diabolo® Ninebark
    2006 Physocarpus opulifolius 'Monlo'
  • 'Golden Jubilee' Anise Hyssop - 2006 Agastache foeniculum 'Golden Jubilee'
    'Golden Jubilee' Anise Hyssop
    2006 Agastache foeniculum 'Golden Jubilee'
  • Wishbone Flower - 2006 Torenia fournirez
    Wishbone Flower
    2006 Torenia fournirez
  • Cedar Elm - 2005 Ulmus crassifolia
    Cedar Elm
    2005 Ulmus crassifolia
  • Cedar Elm - 2005 Ulmus crassifolia
    Cedar Elm
    2005 Ulmus crassifolia
  • Crossvine - 2005 Bignonia capreolata
    Crossvine
    2005 Bignonia capreolata
  • Perennial Plumbago - 2005 Ceratostigma plumbaginoides
    Perennial Plumbago
    2005 Ceratostigma plumbaginoides
  • Summer Snapdragon - 2005 Angelonia angustifolia
    Summer Snapdragon
    2005 Angelonia angustifolia
  • Shantung Maple - 2004 Acer truncatum
    Shantung Maple
    2004 Acer truncatum
  • Winter Jasmine - 2004 Jasminum nudiflorum
    Winter Jasmine
    2004 Jasminum nudiflorum
  • Autumn Sage - 2004 Salvia greggii 'Pink Perfernce'
    Autumn Sage
    2004 Salvia greggii 'Pink Perfernce'
  • Firebush - 2004 Hamelia patens
    Firebush
    2004 Hamelia patens
  • Kentucky Coffee Tree - 2003 Gymnocladus dioica
    Kentucky Coffee Tree
    2003 Gymnocladus dioica
  • Pink Velour® Crape Myrtle - 2003 Lagerstroemia indica 'Whit III'
    Pink Velour® Crape Myrtle
    2003 Lagerstroemia indica 'Whit III'
  • Japanese Painted Fern - 2003 Athyrium nipponicum
    Japanese Painted Fern
    2003 Athyrium nipponicum
  • Yellow Bells - 2003 Tecoma stans
    Yellow Bells
    2003 Tecoma stans
  • Bur Oak - 2002 Quercus macrocarpa
    Bur Oak
    2002 Quercus macrocarpa
  • Japanese Kerria - 2002 Kerria japonica
    Japanese Kerria
    2002 Kerria japonica
  • 'Magnus' Purple Coneflower - 2002 Echinacea purpurea 'Magnus'
    'Magnus' Purple Coneflower
    2002 Echinacea purpurea 'Magnus'
  • 'Margarita' Sweet Potato - 2002 Echinacea purpurea 'Margarita'
    'Margarita' Sweet Potato
    2002 Echinacea purpurea 'Margarita'
  • Shumard Oak - 2001 Quercus shumardii
    Shumard Oak
    2001 Quercus shumardii
  • Deciduous Holly - 2001 Ilex decidua
    Deciduous Holly
    2001 Ilex decidua
  • 'Siskiyou Pink' Gaura - 2001 Gaura lindheimeri 'Siskiyou Pink'
    'Siskiyou Pink' Gaura
    2001 Gaura lindheimeri 'Siskiyou Pink'
  • Mexican Zinnia - 2001 Zinnia angustifolia
    Mexican Zinnia
    2001 Zinnia angustifolia
  • Bald Cypress - 2000 Taxodium distichum
    Bald Cypress
    2000 Taxodium distichum
  • 'Magic Carpet' Spirea - 2000 Spiraea japonica 'Magic Carpet
    'Magic Carpet' Spirea
    2000 Spiraea japonica 'Magic Carpet
  • 'Homestead Purple' Verbena - 2000 Verbena canadensis 'Homestead Purple'
    'Homestead Purple' Verbena
    2000 Verbena canadensis 'Homestead Purple'
  • Fan Flower - 2000 Scaevola aemula
    Fan Flower
    2000 Scaevola aemula
  • Chinese Pistache - 1999 Pistacia chinensis
    Chinese Pistache
    1999 Pistacia chinensis
  • Oakleaf Hydrangea - 1999 Hydrangea quercifolia
    Oakleaf Hydrangea
    1999 Hydrangea quercifolia
  • 'Powis Castle' - 1999 Artemisia 'Powis Castle'
    'Powis Castle'
    1999 Artemisia 'Powis Castle'
  • Purple Fountain Grass - 1999 Pennisetum setaceum
    Purple Fountain Grass
    1999 Pennisetum setaceum

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.

 


Collector's Choice for 2013

Specialty Fruit for Small Spaces

Miniature peaches, columnar apples, dwarf pomegranate, and dwarf patio type blueberries.

Many of the fruits we enjoy so much don’t fit well in today’s urban landscapes, especially the standard variety fruit trees. However, today’s breeding and production techniques bring us dwarf and miniature versions that fit in just about any space. Columnar apples, patio peaches, dwarf pomegranate and compact blueberries now make easy to enjoy fresh fruit right out our backdoors; and they are ornamental too!

  • Exposure: Full sun to part shade
  • Soil: Prefers moist, well-drained soil; blueberries require acidic soil (pH5)
  • Hardiness: USDA Zone 3-11 (varies by species)

 

 

 

Tree for 2013

Winterberry Euonymus

Euonymus bungeanus

Winterberry euonymus is a large shrub to small tree with pendulous branches and light green foliage. Flowers are yellowish-green but not showy. Fruits are pinkish capsules which split open at maturity revealing an orange aril (fleshy seed covering). Fall color can be yellow to orange and red. Bark is green with a rough texture and is also quite attractive. Winterberry grows 15’-24’ high and just about as wide. It is very adaptable and quite drought tolerant. It is mostly resistant to scale insects that are common on other euonymus species. Winterberry makes a great patio or specimen tree.

  • Exposure: Full sun to part shade
  • Soil: Tolerates a wide range of soils
  • Hardiness: USDA Zone 4-7

 

 

 

Shrub for 2013

Chaste Tree

Vitex spp.

Vitex is a multi-stemmed large shrub, but can be trained into a small tree. Leaves are palmately compound and dark green. Flowers appear in early summer and continue to bloom sporadically through summer and fall. Flowers of Vitex can be blue, lavender, pink or white. Old strains had small spikes of flowers; improved varieties have large spikes (8” to 12” long) of colorful flowers that are fragrant and make excellent cut flowers. Vitex is not too picky of soils and is easy to grow, very heat, drought and pest tolerant and an excellent choice for a xeric garden. Vitex is often considered an excellent replacement for lilacs, which grow much better in colder climates, and it attracts butterflies and hummingbirds.

  • Exposure: Sun to part shade
  • Soil: Moist, well-drained
  • Hardiness: USDA Zone 4-9

 

 

 

Perennial for 2013

Catmint

Nepeta x faassenii 'Walker's Low'

Walker’s Low Catmint was the Perennial Plant of the Year in 2007 and is an easy to grow, pest free perennial. This hybrid Nepeta develops into a mound of aromatic, grayish green foliage. Lavender-blue flowers appear in spring and continue to bloom if properly pruned by trimming after initial flowering. Walker’s Low grows 1 to 2 feet high and 1 ½ to 3 feet wide and can be used as edging or in a border, herb or rock garden, naturalized area, as groundcover, or is quite attractive spilling over the edge of a wall. Nepeta attracts bees and butterflies. It also tolerates some shade, dry, rocky soil, and is quite drought and deer resistant.

  • Exposure: Sun, part shade
  • Soil: Moist, well-drained
  • Hardiness: USDA Zone 3-8

 

 

 

Annual for 2013

Dakota Gold, Sneezeweed

Helenium 'Dakota Gold'

Common names for Helenium include sneezeweed and bitterweed, a native wildflower of Texas. Dakota Gold is a cultivar with excellent ornamental qualities and because it is native to Texas it is also very tough and tolerates heat and dry conditions. Dakota Gold grows as low, 6” to 8” mounded cushions, of fine, dark green foliage covered with golden yellow flowers all summer long. Dakota Gold looks great in beds, containers, rock gardens, borders, and as an accent.

  • Exposure: Full sun
  • Soil: Almost any soil (well-drained)
  • Hardiness: Use as an annual