Herbaceous and Woody Perennials

Clusters of pink and cream yarrow flowers in a garden by a sidewalk.

Yarrow spp.

Achilea millefolium

Green bush with orange and pink flowers in a garden setting.

Hyssop

Agastache spp.

Purple chive flowers with long green stems in a garden setting.

Chives

Allium schoenoprasum

A garden with clusters of plants featuring purple flowers and slender green stems.

Corkscrew Ornamental Onion

Allium senescens

A cluster of light blue star-shaped flowers with green leaves, set in a lush garden setting.

Arkansas Bluestar

Amsonia hubrichtii

Mount Atlas Daisy

Anacyclus pyrethrum var. depressus

Low-growing plants with small, pink flowers beside a concrete path.

Pussytoes

Antennaria doica, Antennaria parvifolia

Filigree Daisy

Anthemis marschalliana

Lush green plant with rocks in the background, under bright sunlight.

Manzanita (Chieftan, Panchito)

Arctostaphylos, coloradensis

Kinnikinnick

Arctostaphylos uva-ursi

Silvery-green bush with thin, upright branches in a garden setting.

Wormwood

Artemisia spp.

Butterfly Weed

Asclepias tuberosa

Smooth Aster

Aster laevis

Alpine Aster

Aster alpinus

Rockcress

Aubrieta deltoidea

Basket of Gold Alyssum

Aurinia saxatiles

Tall green plants with vibrant purple flowers.

False Indigo

Baptisia australis, Baptisia 'Pink Lemonade'

Chocolate Flower

Berlandiera lyrata

A cluster of vibrant pink flowers with green foliage growing in a garden setting.

Prairie Winecups

Callirhoe involuncrata

Sundrops

Calylophus serrulatus

Blue and White Harebell

Campanula rotundifolia

Bachelor Button

Centaurea montana

Red Valerian

Centranthus ruber

Snow-in-Summer

Cerastium tomentosum

Plumbago 'Leadwort'

Ceratostigma plumbaginoides

A field of vibrant yellow flowers with green foliage beneath, set in a garden.

Tickseed

Coreopsis spp. (not Coreopsis rosea)

Purple Iceplant

Delosperma cooperi

A dense cluster of yellow flowers blooming among green succulent leaves.

Yellow Hardy Iceplant

Delosperma nubigenum

Yellow Coneflower

Echinacea paradoxa

Coneflower

Echinacea purpurea (Cheyenne Spirit not accepted)

Tennessee Purple Coneflower

Echinacea tennesseensis

Red Feathers

Echium amoenum

A lush green landscape with vibrant red tubular flowers and a background of dried plants.

Hummingbird Trumpet

Epilobium canum garrettii

Hummingbird Flower

Epilobium canum latifolium

Yellow-green clusters of flowers with delicate stems set against a natural background.

Sulphur Flower

Eriogonum umbrellatum

Yellow Stork's Bill

Erodium chrysanthum

Pink Heron's Bill

Erodium reichardii

Sea Holly

Erygium planum

A cluster of vibrant orange poppy flowers in a garden bed, with green foliage.

California Poppy

Eschscholzia californica

Cushion Spurge

Euphorbia polychroma

Native Blanket Flower

Gaillardia aristata

Prairie Smoke

Geum triflorum

Baby's Breath

Gypsophila paniculata

Candytuft

Iberis sempervirens

Beared Iris

Iris germanica

Variegated Sweet Iris

Iris pallida

Dwarf Iris

Iris pumila

Knautia

Knautia macedonica

Torch Lily

Kniphofia caulescens

Gayfeather

Liatris spp.

Dense cluster of small purple flowers around green bushes along a paved pathway.

Sea Lavender

Limonium platphyllum

Silvery Lupine

Lupinus argenteus

Rose Campion

Lychnis coronaria

A lush garden with various green and red plants, including leafy shrubs and dense foliage.

Creeping Colorado Holly

Mahonia repens

Silvery Horehound

Marrubium rotundifolium

Desert Four O'Clock

Mirabilis multiflora

Garden with vibrant purple wild bergamot and yellow flowers, surrounded by lush green foliage.

Bee Balm

Monarda fistulosa menthifolia

Red tubular flowers and green foliage surrounded by large reddish rocks and small gravel.

Hummingbird Trumpet Mint

Monardella macrantha 'Marian Sampson'

A dense cluster of purple-flowering plants with green foliage in a garden setting.

Catmint

Nepeta x faassenii

Evening Primrose

Oenothera spp.

Beavertail Prickly Pear

Opuntia basilaris

Ornamental Oregano

Origanum laevigatum

Bright orange poppies with black centers surrounded by lush green foliage.

Oriental Poppy

Papaver orientale

Alpine Poppy

Papaver alpinum

Beardtongue

Penstemon spp.

Turkish Sage

Phlomis russeliana

Tufted Phlox

Phlox douglasii

Creeping Phlox

Phlox subulata

Cinquefoil

Phlox hippiana, Poentilla atrosanguinea, Ptentilla neumanniana

Lacy Self Heal

Prunella laciniata

A cluster of tall, wispy plants with fluffy seed heads and some purple buds in a garden setting.

Pasqueflower

Pulsatilla vulgaris

Prairie Coneflower

Ratibida columnifera

Rosemary

Rosmarinus officinalis

Bright yellow flowers with dark centers in a garden setting.

Black-Eyed Susan

Rudbeckia fulgida

Lush green bush with tall purple flowers in a garden setting.

Salvia/Sage

Salvia spp.

Lavender Cotton

Santolina chamaecyparissus, Santolina rosmarinfolia

Soapwort

Saponaria x lempergii, Saponaria ocymoides

A patch of lush, leafy green and reddish ground cover plants with small flowers, growing on gravelly soil.

Stonecrop

Sedum spp.

Hens & Chicks

Sempervivum spp.

Globe Mallow

Sphaeralcea coccinea, Sphaeralcea munroana

A garden with green and blue-gray foliage, including ornamental grasses and broad-leaved plants near a brick pathway.

Lamb's Ears

Stachys byzantine, Stackys lavandulifolia

Patrodge Feather

Tanacetum densum amani

Germander

Teucrium chamaedrys, Teucrium cossonii

Golden Candles

Thermopsis lupinoides

Purple flowers labeled "Thymus serpyllum 'Pink Chintz'" in a garden.

Thyme

Thymus spp.

Speedwell

Veronica spp.

Periwinkle

Vinca minor

Rocky Mountain Zinna

Zinnia grandiflora

Website Accessibility Statement