Holodiscus discolor 'macrophylus'
Also called:
Oceanspray
Creambush
Rock-spiraea
Botanical Description
Plant Family:
Rosaceae
Deciduous
Med - Lg Shrub (usually >3' and never < 1.5')
Oregon Native?
Yes
West State Native?
Yes
Native from British Columbia to California and Idaho, found on well-drained to dry site, in sun and shade.
Flower:
White
Blooms from :
Jun
to:
Aug
Soft, creamy white, clusters (20 cm long) hang down, they turn brown and persist
Foliage:
Gray-Green
Leaves, simple, alternate, to 10 cm long, shallowly toothed or lobed, grayish green.
Site Selection
Minimum USDA Hardiness Zone:
5
Water Needs:
L
Sun Needs:
Partial Sun
Deer Resistant?
No
Firewise?
Yes
Height:
10-15'
Spread:
15-20'
Growth Rate:
Medium
Native Habitat:
Native from British Columbia to California and Idaho, found on well-drained to dry site, in sun and shade (OSU Landscape). Rocky, north-facing slopes; moist, open woods; stream banks; below 7000 ft. (LBJ)
Soil Needs
Adapted to course, medium and fine textured soils with pH 5.0 to 7.5. Prefers rocky/gravelly soils.
Fertilizer Needs:
Low fertility requirements.
Recommended Mulch:
Wildlife Uses
Attracts Pollinators?
Yes
Attracts Birds?
Yes
Supports Butterflies?
Yes
Wildlife use description:
Browsed by cattle, deer, elk & dusky-footed wood rats. Common understory species that provides cover for numerous birds, small mammals & tree frogs.