Page 73 - 7166 - Rain Garden Handbook

ZONE EXPOSURE MATURE SIZE
Scientific Name TIME OF PLANT A-5
Common Name 1 2 3 D or E NATIVE Sun Partial Shade Height Width BLOOM CHARACTERISTICS

GROUNDCOVERS, ORNAMENTAL GRASSES, HERBACEOUS PERENNIALS, AND FERNS (CONTINUED) Plant
List
Washington Native Plant Aster modestus 2 3 D 12" to 42" 36" July to August Violet to purple flowers; thrives

in full sun
Great northern aster

Finely textured wide frond,
King County Native Lady fern 1 2 3 D 36" to 60" 18" to 24" shallow flooding; can handle
vigorous grower; tolerant of
Athyrium filix-femina
Spreading
full sun in wet conditions but
prefers shade
Long, narrow, dark, glossy
King County Native Deer fern 1 2 3 E 12" to 36" 24" April to May edges; tolerant of shallow
Blechnum spicant
leaves with wavy, crinkled
flooding; avoid sun exposure

King County Native Camassia leichtlinii 2 3 D 36" to 48" 18" Late Spring Loose clusters of flowers
ranging from light to deep
to Early
blue; particularly showy
Large or giant camas
Summer
planted in groups
King County Native Camassia quamash 2 3 D 18" 12" May to June Loose clusters of deep blue
flowers; particularly showy
Common camas
planted in groups

Smooth stems and leaves;
Coreopsis verticillata or C.
Wikipedia Commons lanceolata 2 3 (Semi) 18" to 36" 12" to 18" Summer to 'Zagreb,' or 'Full Moon'
flowers of yellow, orange,
E*
maroon, and bronze; thrives
Fall
in full sun; try 'Moonbeam,'
Tickseed
Stunning, grassy foliage with
Deschampsia cespitosa
Late Spring
Snohomish County 'Northern Lights' 2 3 (Semi) 6" to 12" 6" to 12" Summer turns pink in winter (attractive
creamy white variegation that
E*
to Early
in winter months): several
Tufted hair grass
other cultivars available
Washington Native Plant Dicentra formosa 2 3 D 8" to 12" 24" Spring Delicate foliage with attractive
pink to red flowers; many
cultivars available, as well as
Western or Pacific bleeding
Dicentra spectabilis, a popular
heart
non-native bleeding heart