Abies concolor 9500'

Acer glabrum

Achillea millefolium 9500'
Achillea ptarmica 
Achillea tomentosa 
Aconitum cammarum  8000'
Aconitum fischeri 8000'
Actaea pachypoda
Agastache 7500'

Agastache aurantica 'Coronado' 9500'

Agastache rupestris 7500'

Alchemilla 7000'
Alyssum  montanum 10000'

Amorpha canescens 7500'

Amorpha nana 7500'
Anemone sylvestris  
Aquilegia 10000'

Arctostaphylos uva-ursi 10000'

Armeria 8000'
Artemisia 7500'

Aruncus dioicus 8000'
Asclepias incarnata  
Asclepias tuberosa
Astilbe chinensis 7000'
Astilbe japonica 8500'

Atriplex canescens
Aubrieta  7500'

Aurinia saxatilis 9500'
Baccharis pilularis 

Baptisia australis 8000'

Belamcanda chinensis 9000'
Berberis thunbergii 7500'

Berlandiera lyrata 7500'
Buddleia 7500
Buxus microphylla  
Calamagrostis x acutiflora Avalanche
Calamagrostis x acutiflora 'Karl Foerster' 7000'

Campanula glomerata 8000'
Campanula portenschlagiana '
Caryopteris

Celtis occidentalis 7500'

Centaurea montana 8500'

Centranthus ruber 9000'
Cerastium tomentosum 10000'

Cercocarpus ledifolius 8000'
Chaenomeles 7500'

Chrysothamnus 9500'

Chamaebatiaria millefolium 7500'

Clematis paniculata
Convallaria majalis 7500'
Coreopsis grandiflora 8500'

Coreopsis verticillata 8500'
Cotoneaster horizontalis

Cytisus purgan ‘Spanish Gold’

Dalea purpurea
Delphinium 10000'
Deschampsia caespitosa 

Dianthus deltoides

Dicentra spectabilis 10000'
Digitalis x mertonensis 8000'
Echinacea 7000'
Echinops 
Epimedium x perralchicum 

Erianthus ravennae 8000'
Eryngium 7000'

Euonymus alata 7500'
Fallugia paradoxa 9000'

Festuca glauca 9000'
Gaillardia 8500'

Galium oderatum 8500'
Gaura 
Geranium 8000'

Gleditsia triacanthos 7500'
Gypsophila 8500'

Hedera helix

Helenium 8500'

Heliopsis helianthoides 7500'
Helleborus 
Hemerocallis 8500'
Heuchera 8000'
Hibiscus syriacus 

Holodiscus dumosus 10000'
Humulus lupulus
Hymenoxys hoopesii 14000'

Iberis sempervirens 
Iris 7000'
Juniperus 7500-8000'

Knautia macedonica

Kniphofia 8000'

Lamium maculatum
Lathyrus latifolius 
Lavandula 

Lavandula angustifolia Munstead 8500'

Leucanthemum 9000'

Liatris spicata 8000'
Ligularia dentata  

Ligustrum vulgare ‘Cheyenne’

Limonium latifolium 7500'

Linum perenne 10000'

Lonicera tatarica

Mahonia aquifolium

Mahonia repens 10000'

Mentha

Miscanthus sinensis 7500'
Monarda 8500'
Nepeta 8000'
Origanum 
Paeonia lactiflora 9500'
Panicum virgatum 7000'
Papaver orientale 10000'

Parthenocisus quinquefolia 8500'
Perovskia atriplicifolia 8000'

Phlox subulata 7500'

Physocarpus monogynus

Picea pungens 9500'

Pinus edulis 7500'
Pinus flexilis 13000'

Pinus ponderosa 9000'

Polemonium caeruleum 7500'

Potentilla fruticosa 10000' for most

Prunus americana 9000'

Pseudotsuga taxifolia 9500'

Pulmonaria 8500'

Quercus gambelii 9000'

Ratibida columnifera 8000'
Rheum 10000'

Rhus aromatica ‘Gro-Low’ 7500'

Rhus glabra 7500'

Rhus trilobata 9000'

Ribes alpinum 10000'

Ribes aureum 10000'

Rosa foetida bicolor

Rubus deliciosus 9000'

Rudbeckia hirta

Salvia
Sambucus nigra 
Sempervivum

Sheperdia argentea 9500'

Solidago

Stachys byzantina 8000'

Symphoricarpos X "Hancock"

Symphoricarpos albus 7500'

Syringa 10000' for most

Tanacetum

Teucrium chamaedrys
Thymus 8500'

Thermopsis montana

Verbascum

Veronica 7500'
Viburnum 8000'

Yucca

White Fir

Rocky Mountain Maple

Yarrow
Yarrow
Yarrow, Woolly
Monks Hood
Monkshood
Baneberry, Doll's Eyes
Hyssop

Coronado Hyssop

Sunset Hyssop

Lady's Mantle
Alyssum, Mountain and Basket of Gold

Leadplant

Dwarf Leadplant
Windflower
Columbine

Kinnikinnick

Thrift
Wormwood Most Varieties

Goat's Beard
Swamp Milkweed
Butterfly Weed
Astilbe, False Spirea
Astilbe

Four Wing Saltbush
Rockcress, Purple

Basket of Gold
Dwarf Coyote Bush

False Indigo

Blackberry lily
Barberry
Chocolate Flower
Butterfly bush
Boxwood
Feather Reed Grass, Variegated
Feather Reed Grass

Clustered Bellflower
Dalmatian Bellflower
Blue Mist Shrub

Hackberry

Perennial bachelor's buttons

Red Valerian
Snow-in-summer

Curl-Leaf Mountain Mahogany
Quince, Flowering

Rabbitbrush

Fernbush

Sweet Autumn Clematis
Lily of the Valley
Tickseed

Threadleaf tickseed
Cotoneaster

Spanish Gold Broom

Purple Prairie Clover
Delphinium
Tufted Hair Grass

Maiden pinks

Bleeding Heart
Foxglove
Coneflower
Globe Thistle
Barrenwort

Hardy Pampas Grass
Sea Holly

Burning Bush
Apache Plume

Blue Fescue
Blanket Flower

Sweet Woodruff
Wandflower
Cranesbill

Honeylocust
Baby's Breath

English Ivy
Sneezeweed

False Sunflower
Lenten Rose
Daylily
Coral Bells ZONE 3
Rose of sharon

Rock Spirea
Hops
Owl's Claws

Snow Mantle
Iris
Juniper

Knautia

Red Hot Poker

Dead Nettle
Sweet Pea, perennial
Lavender

Munstead Lavender

Shasta Daisy

Blazing Star
Leopard plant

Cheyenne Privet

Sea Lavender

Blue Flax

Tatarian Honeysuckle

Oregon Grape Holly

Creeping Mahonia

Mints
Maiden Grass
Bee Balm
Catmint
Oregano, Ornamental
Peony
Switch Grass
Oriental Poppy

Virginia Creeper
Russian sage

Creeping Phlox

Mountain Ninebark

Colorado Spruce

Pinyon Pine
Pine, Limber

Ponderosa Pine

Jacob's ladder

Bush Potentilla

Wild Plum

Douglas Fir

Lungwort

Gambel Oak

Mexican Hat Coneflower

Gro-Low Sumac

Smooth and Cutleaf Sumac

Fragrant Sumac
Rhubarb

Alpine Current

Golden Current

Austrian Copper Rose

Boulder Raspberry

Gloriosa Daisy

Cooking Sage
Elderberry
Hen and Chicks

Buffalo Silverberry

Goldenrod

Lamb's Ear

Hancock Coralberry

Snowberry

Lilac

Showy Tansy

Wall Germander
Thyme

Golden Banner

Mullein

Speedwell most varieties
Viburnum

Century Plant