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Holodiscus discolor 'microphyllus'

Also called:

Small-leaved Oceanspray

Small-leaved 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 range, mid to high elevations in Oregon and California and east to Colorado and Arizona, especially in Great Basin region.

Flower:

White

Blooms from :

May

to:

Aug

Flowers in narrow clusters (panicals) to 10 cm long, 10-50 flowered; flowers 3-4 mm diameter, petals white.

Foliage:

Gray-Green

Leaves alternate, simple, to 2 cm long and 1.5 cm wide, light green to gray-green, often obovate, rounded to wedge-shaped base, small teeth on apical half of blade.

Site Selection

Minimum USDA Hardiness Zone:

4

Water Needs:

L

Sun Needs:

Partial Sun

Deer Resistant?

No

Firewise?

Yes

Height:

3'

Spread:

15-20'

Growth Rate:

Medium

Native Habitat:

Oceanspray habitat varies considerably & includes streambanks, the understory of moist woods, cutover timberland and dry rocky soils and talus slopes.

Soil Needs

Adapted to course, medium and fine textured soils with pH 5.0 to 7.5. Ranging from sea level to 7000 ft., this species has moderate drought tolerance.

Fertilizer Needs:

low fertility requirements.

Recommended Mulch:

nothing found

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.

COMGA

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Email:

In reference to publications, events, or activities: Publications will be made available in accessible formats upon request. Please contact us if you have a physical disability that requires an accommodation in order for you to attend the event/activity, please notify the Deschutes County Master Gardener program at phone/email.

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