Page 78 - 7166 - Rain Garden Handbook

ZONE EXPOSURE MATURE SIZE
A-10 Scientific Name 1 2 3 D or E NATIVE Sun Partial Shade Height Width TIME OF PLANT
CHARACTERISTICS
BLOOM
Common Name
Plant GROUNDCOVERS, ORNAMENTAL GRASSES, HERBACEOUS PERENNIALS, AND FERNS (CONTINUED)
List

Polystichum munitum 2 3 E 36" to 48" 36" to 60" Large native fern; stately
appearance; prefers some
NW Plants Western sword fern shade

White flowers producing
Rubus calycinoides
Wikipedia Commons 'Emerald Carpet' 3 E 4" to 8" Spreading Spring red with the onset of autumn;
36" to 60"
orange berries; turns raspberry
Slowly
requires more regular water to
Creeping raspberry/bramble
become established
Wikipedia Commons Rudbeckia hirta 3 D 12" to 36" 12" to 36" October Orange-yellow flowers with
June to
dark brownish-black centers;
Black-eyed Susan
attractive to bees
Spiky pink flower clusters
atop long stems are nice
King County Native Henderson's checker-mallow 1 D 36" to 48" 24" to 36" Summer can spread aggressively to
Sidalcea hendersonii
complement to tall bulrushes;
quickly fill in Zone 1 with
emergents

US Forest Service Symphyotrichum chilense 2 D 18" to 36" 36" September White to purple flowers; thrives
June to
in full sun
Pacific aster

Blue to purple flowers with
Symphyotrichum June to yellow centers; prefers full sun,
subspicatum 1 2 3 D 6" to 36" 36" September tolerates some shade; nice
Spreading (Late Season complement to checker-mallow
Douglas aster Bloomer) and bulrushes; other species
Flickr and cultivars are available

King County Native Tellima grandiflora 2 3 D 12" Up to March to Yellow-green to pink flowers;
foliage persists somewhat over
June
12"
Fringecup
winter
King Country Native Tiarella trifoliata 2 3 D 12" 12" Early to Mid Can form dense colonies;
showy sprays of creamy-
white flowers; foliage persists
Summer
Foamflower
somewhat over winter