List developed by horticulture professionals at Oregon State University for use within Oregon. Pre-screened to select noninvasive species.

1. Water-Efficient Landscape Plant List. More
information on these & other species is available in
EC 1546, Water-Efficient Landscape Plants. $5
from Oregon State University Extension Service
Annuals
Arctotis (African daisy)
Argemone mexicana (prickly poppy)
Calendula officianalis (pot marigold)
Celosia cristata (cockscomb)
Cleome hasslerana (spider flower)
Cosmos bipinnatus (garden cosmos)
Eschscholzia californica (California poppy)
Gaillardia pulchella (blanket flower)
Gazania x hybrida (gazania)
Gilia capitata (blue thimble flower)
Gilia tricolor (bird’s eyes)
Gomphrena (globe amaranth)
Helianthus annuus (common sunflower)
Helichrysum bracteatum (strawflower)
Limonium sinuatum (statice)
Papaver rhoeas (Shirley poppy)
Portulaca (moss rose)
Salvia farinacea (Texas violet)
Salvia splendens (scarlet sage)
Senecio cineraria (dusty miller)
Tropaeolum majus (nasturtium)
Verbena x hybrida (garden verbena)
Bulbs
Allium (ornamental onion)
Amaryllis belladonna (naked lady)
Brodiaea (brodiaea)
Camassia (camas)
Chinodoxa (glory-of-the-snow)
Crocus (crocus)
Cyclamen hederifolium (hardy cyclamen)
Fritillaria (fritillary)
Galanthus nivalis (snowdrop)
Iris reticulata (reticulate iris)
Iris x hollandica (Dutch iris)
Leucojum aestivum (summer snowflake)
Muscari armeniacum (grape hyacinth)
Narcissus (daffodil)
Ornithogalum umbellatum (star of Bethlehem)
Puschkinia scilloides (striped squill)
Scilla (bluebells)
Triteleia laxa (Ithuriel’s spear)
Tulipa (tulip)
Zantedeschia aethiopica (calla lilly)
Ferns & Groundcovers
Arctostaphylos uva-ursi (bearberry)
Ceanothus gloriosus (Pt Reyes ceanothus)
Fragaria ‘Lipstick’ (pink flowering strawberry)
Fragaria chiloensis (beach strawberry)
Fragaria virginiana (wild strawberry)
Helianthemum nummularium (sunrose)
Juniperus chinensis (Chinese juniper)
Juniperus conferta ‘Blue Pacific’
Juniperus procumbens (Jap. Gdn juniper)
Lithodora diffusa (lithodora)
Oxalis oregana (wood sorrel)
Polystichum munitum (Western sword fern)
Sedum (stonecrop)
Sempervivum tectorum (hen and chicks)
Thymus pseudolanuginosus (wooly thyme)
Thymus serphyllum (creeping thyme)
Thymus vulgaris (common thyme)
Veronica pectinata (speedwell)
Ornamental Grasses
Briza maxima (quaking grass)
Calamogrostis x acutiflora (feather reed grass)
Carex barbarae (Santa Barbara sedge)
Festuca amethystina (large blue fescue)
Festuca cinerea (blue fescue)
Helictotrichon sempervirens (blue oat grass)
Koeleria glauca (large blue hair grass)
Leymus racemosus ‘Glaucus’ (wild blue rye)
Miscanthus sinensis ‘Gracillimus’
Panicum virgatum (switch grass)
Stipa gigantean (giant feather grass)
Perennials
Acanthus mollis (bear’s breech)
Acillea filipendulina (fernleaf yarrow)
Achillea millefolium (common yarrow)
Agapanthus (African lily)
Agastache rugosa (Korean hummingbird mint)
Anaphalis margaratacea (pearly everlasting)
Aquilegia formosa (western columbine)
Aster amellus (Italian aster)
Aurina saxatilis (basket-of-gold)
Baptisia australis (false indigo)
Callirhoe involucrata (poppy mallow)
Cerastium tomentosum (snow in summer)
Coreopsis grandiflora (tickseed)
Coreopsis verticillata (thread-leaf tickseed)
Dianthus deltoides (maiden pink)
Dianthus gratianopolitanus (cheddar pink)
Epilobium canum (California fuschia)
Erigeron (fleabane)
Eryngium (sea holly)
Erysimum (wallflower)
Euphorbia myrsinites (spurge)
Euphorbia polychroma (cushion spurge)
Gaillardia x grandiflora (blanketflower)
Gazania linearis (treasure flower)
Geranium sanguineum (bloody cranesbill)
Helleborus (hellebore)
Hesperaloe parviflora (red yucca)
Hyssopus officinalis (hyssop)
Iberis sempervirens (candytuft)
Iris (bearded iris)
Iris – Pacific Coast Hybrids

2. Iris tenax (Oregon iris)
Iris unguicularis (Algerian iris)
Kniphofia (red hot poker)
Leucanthumem x superbum (Shasta daisy)
Linum perenne (blue flax)
Malva alcea (mallow)
Oenothera macrocarpa (Ozark sundrops)
Oenothera (evening primrose)
Oenothera speciosa (Mex. evening primrose)
Papaver orientale (Oriental poppy)
Penstemon barbatus (beardlip penstemon)
Perovskia atriplicifolia (Russian sage)
Phlomis russeliana (sticky Jerusalem sate)
Phlox subulata (moss phlox)
Romneya coulteri (Matilija poppy)
Salvia clevelandii (CA blue sage)
Salvia leucophylla (purple sage)
Salvia officinalis (sage)
Silene uniflora (catchfly)
Sisyrinchium bellum (blue-eyed grass)
Solidago (goldenrod)
Teucrium chamaedrys (germander)
Veronica prostrate (speedwell)
Shrubs (Includes subshrubs)
Aesculus californica (CA buckeye)
Agave parryi (Parry’s agave)
Arctostaphylos columbiana (hairy manzanita)
Arctostaphylos x media (Media manzanita)
Artemesia (sagebrush, wormwood)
Berberis thunbergii (Japanese barberry)
Buxus (boxwood)
Calycanthus occidentalis (spice bush)
Ceanothus impressus (CA lilac)
Ceanothus thyrsiflorus (CA lilac)
Ceanothus ‘Victoria’ (CA lilac)
Cercis occidentalis (western redbud)
Cercocarpus montanus (MT mahogany)
Chaenomes (flowering quince)
Cistus (rockrose)
Cornus sericea (redtwig dogwood)
Cotinus coggyria (smokebush)
Daphne caucasica (Caucasian daphne)
Dendromecon rigida (bush poppy)
Escallonia rubra (red escallonia)
Euonymus fortunei (winter creeper)
Euonymus japonicus (evergreen euonymus)
Garrya elliptica (coast silktassel)
Halimium (rockrose)
Holodiscus discolor (oceanspray)
Ilex cornuta (Chinese holly)
Jasminum nudiflorum (winter jasmine)
Juniperus chinensis ‘Hetzii’
Juniperus squamata ‘Meyeri’
Lavandula (lavender or many kinds)
Lonicera nitida (box honeysuckle)
Mahonia aquifolium & nervosa (OR grape)
Oemleria cerasiformis (osoberry)
Origanum (oregano)
Osmanthus delavayi & heterophyllus
Philadelphus lewisii (western mock orange)
Phlomis fruitcosa, italica & purpurea
Hygelius capensis (Cape fuschia)
Pinus mugo (Mugo pine)
Potentilla fruticosa (bush cinquefoil)
Rhamnus californica (CA coffeeberry)
Ribes aureum (golden currant)
Ribes sanguineum (flowering currant)
Ribes speciosum (fuchsia-flowered currant)
Rosmarinus (rosemary)
Ruta graveolens (rue)
Sambucus caerulea (blue elderberry)
Santolina chamaecyparissus (lavender cotton)
Sarcocca (sweetbox)
Senecio viravira (dusty miller)
Vitex agnus-castus (chaste tree)
Yucca glauca & whipplei
Trees (Broadleaf)
Acer campestre (hedge maple)
Acer ginalla (amur maple)
Arbutus unedo (strawberry tree)
Catalpa speciosa (Indian bean tree)
Cercis canadensis (eastern redbud)
Fraxinus angustifolia ‘Raywood’ (raywood ash)
Ginkgo biloba (maindenhair tree)
Koelreuteria paniculata (goldenrain tree)
Maackia amurensis (Amus maackia)
Parrotia persica (Persian parrotia)
Quercus garryana (OR white oak)
Quercus ilex (holly oak)
Tilia tomentosa (silver linden)
Umbellularia californica (OR myrtle)
Zelkova serrata (Japanese selkova)
Trees (Conifers)
Abies bracteata (Santa Lucia fir)
Abies grandis (grand fir)
Cedrus atlantica (Atlas cedar)
Cupressus glabra (AZ cypress)
Juinperus scopulorum (Rocky MT juniper)
Picea pungens (CO blue spruce)
Pinus nigra (Austriam pine)
Pinus ponderosa (Ponderosa pine)
Pinus sylvestris (Scotch pine)
Taxus baccata (English yew)
X Cupressocyparis leylandii (Leyland cypress)`
Vines
Campsis x tagliabuana (trumpet creeper)
Clematis cirrhosa (crowfoot)
Jasminum officianle (Poet’s jasmine)
Lonicera etrusca (honeysuckle)
Rosa banksiae (Banksia rose)
Vitis vinifera ‘Purpurea’ (Purple-leaved grape)
Wisteria (wisteria)