Department of Horticulture

Hardy Plants for Waterwise Landscapes

A garden of waterwise perennials (© V.I. Lohr)


Scientific name

Common name

Achillea spp. N@ Yarrow
Alchemilla mollis ●@ Lady's mantle
Aquilegia spp.N@ Columbine
Armeria maritima N@ Sea pink
Aurinia saxatilis Basket-of-gold
Bergenia spp. ● Bergenia
Campanula spp. ●N@ Bellflower
Catananche caerulea Cupid's dart
Centranthus ruber Jupiter's beard
Coreopsis verticillata Threadleaf coreopsis
Corydalis lutea ●@ Yellow corydalis
Dianthus spp. Pink
Echinacea purpurea ●@ Purple coneflower
Epimedium spp. ● Bishop's hat
Eremurus stenophyllus Foxtail lily
Erigeron caespitosus N@ Tufted fleabane
Eriogonum umbellatum N Buckwheat
Euphorbia amygdaloides 'Rubra' ●@ Red wood spurge
Euphorbia griffithii 'Fireglow' Fireglow spurge
Eurybia divaricata● (Aster divaricatus) White wood aster
Gaillardia spp. N Blanketflower
Geranium spp. ●@ Hardy geranium
Geum triflorum @ Prairie smoke
Globularia spp. Globe daisy
Helianthemum nummularium Sunrose
Helleborus orientalis ●@ Lenten rose
Hemerocallis spp. Daylily
Heuchera spp. ●N Coralbells
Hosta spp. ● Plantain lily
Iberis sempervirens Evergreen candytuft
Iris spp. N Iris
Knautia macedonica Crimson pincushion flower
Lavandula angustifolia @ Lavender
Liatris spp. Gayfeather
Limonium gerberi (latifolium) Sea lavender
Linum perenne N@ Blue flax
Paeonia spp. N Peony
Papaver orientale @ Oriental poppy
Penstemon spp. N@ Beardtongue
Perovskia atriplicifolia Russian sage
Phlomis russeliana Hardy Jerusalem sage
Pulsatilla vulgaris @ Pasque flower
Rudbeckia spp. Gloriosa daisy
Salvia spp. @ Sage
Santolina chamaecyparissus Lavender cotton
Sedum spp. ● Sedum
Sempervivum spp. Hen and chicks
Stachys byzantina Lamb's ears
Symphytum grandiflorum Yellow comfrey
Synthyris missurica N Kittentails
Teucrium chamaedrys Germander


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Scientific and common names are listed for each plant.  Plants are listed in alphabetical order by scientific name.

If the scientific name has a link, it leads to a page with photos and cultural information. If the common name has a link, it leads to photos, but not to cultural information. 

Key to symbols

spp. = More than one species is water-conserving

● = Suitable for dry shade; amount of shade varies

N = Native to Washington or Idaho

@ = May reseed or spread

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Department of Horticulture, PO Box 646414, Washington State University, Pullman WA 99164-6414, 509-335-9502, Contact Us