yarrow
Achillea ‘Moonshine’

Norway maple
Acer platanoides

giant ornamental onion
Allium giganteum

wild columbine
Aquilegia formosa

madrone
Arbutus menziesii

kinnikinnick
Arctostaphylos uva-ursi

sea thrift
Armeria maritima

Douglas’ aster
Aster subspicatus

kale
Brassica

Oregon grape
Mahonia aquifolium

camas
Camassia leichtlinii

wild lilac
Ceanothus

rock rose
Cistus

Pacific bleeding heart
Dicentra formosa

globe thistle
Echinops sphaerocephalus.

giant fawn-lily
Erythronium oregonum

sea holly
Eryngium amethystinum

escallonia
Escallonia langleyensis ‘Pride of Donard’

California poppy
Eschscholzia californica

wood strawberry
Fragaria vesca

salal
Gaultheria shallon

daylily
Hemerocallis

bearded iris
Iris

wild iris
Iris tenax

lavender
Lavendula angustifolia

lupine
Lupinus polyphyllus

apple
Malus

grape hyacinth
Muscari comosum ‘Plumosum’

Indian plum
Oemleria cerasiformis

Oregon sorrel
Oxalis oregana

penstemon
Penstemon

cinquefoil
Potentilla fruticosa

Western rhododendron
Rhododendron occidentale

golden currant
Ribes aureum

pink flowering currant
Ribes sanguineum ‘King Edward VII’

baldhip rose
Rosa gymnocarpa

wild rose
Rosa woodsii

rosemary
Rosmarinus officinalis

salmonberry
Rubus spectabilis

gloriosa daisy
Rudbeckia fulgida

red elderberry
Sambucus racemosa

sedum Autumn Joy
Sedum ‘Autumn Joy’

hardhack
Spiraea densiflora

snowberry
Symphoricarpos albus

evergreen huckleberry
Vaccinium ovatum

blue muffin arrowwood viburnum
Viburnum dentatum ‘Blue muffin’

sweet violet
Viola odorata

weigela
Weigela ‘Wine and Roses’

Species that would be nice to add are in listed below:

serviceberry
Amelanchier alnifolia

echinacea
Echinacea purpurea

twinberry
Lonicera involucrata

false lily-of-the-valley
Maianthemum dilatatum

mock orange
Philadelphus lewisii

blue elderberry
Sambucus cerulea

evergreen violet
Viola sempervirens