Amur Cork
Native Apple
Green Ash
White Ash
White Ash, 'Autumn Blaze'
White Ash, 'Autumn Purple'
Aspen
Birch, Weeping
Boxelder
Buckeye
Catalpa, Northern
Cherry, Nanking, Tree Form
Sargent's Cherry
Canada Red Chokecherry Tree
Cottonwood, Plains
Cottonwood, Plains Seedless
Elm, American
Flowering Crab, 'Indian Magic'
Flowering Crab, 'Liset'
Flowering Crab, 'Red Splendor'
Flowering Crab, 'Royalty'
Flowering Crab, 'Red Jade', Weeping
Flowering Pear, Ussurian
Ginkgo biloba
Golden Raintree
Hawthorn, Cock's Spur
Hawthorn, Russian
Honeylocust 'Shademaster'
Honeylocust, 'Sunburst'
Honeylocust, Thornless
Juniper, 'Moonglow'
*** Juniper, Rocky Mountain
Juniper, 'Skyrocket'

Kentucky Coffeetree
*** Lilac, Japanese Tree
Linden, 'Greenspire'
Linden, 'Little Leaf'
Maple, Amur, Tree Form
Maple, 'Autumn Blaze'
Maple, Big Tooth
Maple, Silver
Maple, Tatarian
Mountain Ash, European
Mountain Ash, Korean
Mountain Ash, 'Oak Leaf'
Oak, Bur
Peach, David's
Pine, Austrian
Pine, Austrian
*** Pine, Ponderosa
Pine, Scots
Pine, Southwestern White
Plum, Manchurian
Plum, Newport
Plum, Sardent's
Poplar, Silver
Sandcherry, Purple, Tree Form
Spruce, Black Hills
Spruce, Colo Blue
Spruce, Serbian
Viburnum, 'Nannyberry'
Willow, Peach Leaf
Willow, Upright, Shade Tree
Willow, Weeping

Almond, Pink Flowering
Barberry
Beautybush
Broom, 'Spanish Gold'
*** Buffaloberry
*** Caragana arborescens
*** Caragana, Globe
*** Caragana, Red Flowered
Caryopteris, 'Blue Mist"
Caryopteris, 'Dark Knight"
Cherry, Nanking
Chokeberry, Black
Coralberry
Cotoneaster, Peking
Cotoneaster, Szechuan Fire
Dogwood, Isanti
Dogwood, Redosier
*** Fernbush
Flowering Crab, Sargent's
Forsythia, Arnold's Dwarf
*** Four Wing Saltbush
Honeysuckle, Arnold's Red
Honeysuckle, Blue Velvet
Honeysuckle, Dropmore Scarlet-Vine
Honeysuckle, Tatarian
*** Indigo Bush (Amorpha fruiticosa)
*** Juniper, Arctic
*** Juniper, Blue Sparkle
*** Juniper, Common
*** Juniper, Hughes
*** Juniper, Old Gold
*** Juniper, Prairie Mist
*** Juniper, Savin
*** Juniper, Sea Green
*** Juniper, Table Top
*** Leadplant (Amorpha canescens)
*** Lilac, Canadian, Late
*** Lilac, Common Purple
*** Lilac, Dwarf Korean
Lilac, Persian
*** Lilac, Primrose Yellow
*** Mahonia (Desert Holly)

Maple, Amur 'Red Wing'
Maple, Tatarian
Mockorange, Cheyenne
Mockorange, Minnesota Snowflake
*** Mountain Mahogany, Curl Leaf
*** Mountain Mahogany, Hairy
Pine, Mugo
Pine, Mugo-Dwarf
Potentilla, Abbottswood
Potentilla, 'Forever Gold"
Potentilla 'Gold Drop'
Potentilla, Jackman's
Potentilla, Native
Potentilla, Pink Beauty
Potentilla, Prairie Snow
Privet, Cheyenne
*** Privet, New Mexico
Pussywillow
Quince, Texas Scarlet
Rose, R carolina
Rose, R glauca
Rose, R rugosa
Rose, R spinosissima
Sandcherry, Purple Leaf
*** Sea Buckthorn
Serviceberry
*** Silverberry
Snowberry
Spirea, Altai
Spirea, Ash Leaf
Spirea, Bridalwreath
Spirea, Dart's Red
Spirea, Goldflame
Sumac, Smooth, Cutleaf
*** Sumac, Smooth, Dwarf
*** Summersweet
Viburnum, European Cranberry
Viburnum, Manchurian
Viburnum, Snowball Bush
*** Viburnum, Wayfaring Tree
*** Woadwaxen

*** Apache Plume
Aster, Monch
Aster, Wartburg Star
Baby's Breath
Baby's Breath, Bristol Fairy
Batchelor's Button, Bluet
*** Batchelor's Button, Pink
Bee Balm
Black Eyed Susan
Black Eyed Susan, Goldstrum
*** Blanket Flower (Gaillardia) Gold Goblin
*** Buckwheat, Sulphur Flower
*** Cactus, Fragile Prickly Pear
Catmint, Blue Wonder
Catmint, Nepeta fassenii
Catmint, Nepeta mussinii
Catmint, Six Hills Giant
Columbine, McKana's Giant
Columbine, Rocky Mountain Blue
Coneflower, Purple
Coneflower, White Swan
Coral Bells, Palace Purple
Coreopsis, Nana
Coreopsis rosea
*** Cushion Spurge
Daisy, Clara Curtis
Daisy, Shasta
*** Daylilies
Diascia, Coral Canyon
Fendler's Sundrops
*** Flax, Blue
Gentian, Common
Geranium sanguineum
*** Globe Mallow
*** Goldenrod
Ground Ivy
Grass, Blue Fescue
Grass, Blue Oat
Grass, Feather Reed (Karl Forster)
Grass, Indian Rice
Grass, Little Bluestem
Helen's Flower, Lollipop
Helen's Flower, Moorheim Beauty
*** Hen & Chicks
*** Himalayan Border Jewel
Hyssop, Anise
*** Japanese Fleece Flower
Knautia macedonica (Red pincushion)
Lemon Balm
Maltese Cross
Mint

Mock Strawberry
Motherwort
New Mexico Sunflower
*** Partridge Feather
Pasque Flower
Penstemon, Husker Red
*** Penstemon, Mersea Yellow
*** Penstemon, Red Rocks
Penstemon, Rocky Mountain
Pincushion Flower-Blue
*** Pincushion Flower-Yellow
Plumbago
*** Poppy Mallow
Potentilla, Creeping
Potentilla, Silver
Potentilla, Strawberry
*** Prairie Coneflower, Red
*** Prairie Smoke (Geum triflorum)
Purple Prairie Clover
*** Pussytoes
Red Swallowwort
*** Russian Sage
*** Sage, (Artemesia) Silver Brocade
*** Sage, (Artemesia) Silver Mound
Sage, (Salvia) May Night
Saint John's Wort
*** Sedum, Autumn Joy
*** Sedum, Blue Spruce
*** Sedum, Dragon's Blood
*** Sedum, Gold Moss
Self Heal (Prunella)
*** Snow-in-Summer
Snow on the Mountain
Soapwort
Spiderwort
Statice (Sea Lavender)
Stokes Aster (Stokesia)
Strawberry, Lipstick
Strawberry, Wild
Thyme, Lemon
Thyme, Woolly
Thymus minus
Veronica spicata, Blue
Veronica, Turkish
Veronica, Woolly
Vinca minor (Periwinkle)
Violet, Freckles
Yarrow, Native White
Yarrow, Woolly
*** Zinnia grandiflora (Paper Flower)