Home > Landscaping > Native Plants for Western Washington Gardens and Restoration Projects
Oemleria cerasiformis
Indian Plum, Osoberry
At a Glance: Deciduous shrub producing clusters of white flowers in very early spring. One of the earliest plants to bloom.
Height: 16.5 feet (5 meters).
Growth Form: Shrub.
Stems: Stems are red-brown with round, gray pores.
Leaves: Alternating arrangement, oblong to lanced shaped, not toothed, with prominent raised veins on underside; strong aroma when crushed; size: 5-12 cm (2-4.75 in) long, 2-4 cm across; color: pale-green.
Flowers: Male and female plants can be on same or separate plants (monoecious or dioecious). Flowers have 5 petals and 15 stamens in 3 distinct series. Flowers hang in 5-10 cm long cluster from leaf axils; primary color: white above and paler green and waxy beneath; size: 1 cm across; shape: bell-shaped.
Flowering Period: February, March, April.
Fruits: Fruits smell and look like plums and contain large pit; size: 1 cm long; color: creamy-orange turning bluish-black.
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Slightly tolerant of shade.
 full sun > 80%
 mostly sunny 60%-80%
 partial sun and shade 40%- 60%
 mostly shady 60%-80%
 full shade > 80%
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Tolerant of fluctuating water tables.
 wet
 moist
 dry
Wetland Indicator Status:
NI (no indicator data) |
 low elevation
 mid elevation
 sub-alpine
 high elevation
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| Prefers nutrient rich soils. |
 sandy soils
 gravelly soils
 clay soils
 muddy soils
 peaty soils
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 well drained soils
 shallow soils
 deep soils
 acidic soils
 basic soils
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 humic soils
 nutrient rich soils
 nutrient poor soils
 mineral soils
 organic soils
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Aquatic and Wetland:
 Ponds or lakes
 Shallow pools
 Sloughs
 Swales or wet ditches
 Seasonally inundated areas
 Marshes or swamps
 Aquatic bed wetlands
 Emergent wetlands
 Scrub-shrub wetlands
 Forested wetlands
 Bogs, fens
 Seeps, springs
Shorelines and Riparian:
 Lake shores
 Bog margins
 Streams or rivers
 Stream or river banks
 Riparian corridors
 River bars
 Floodplains
 Bottomlands
 Alluvial areas
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Saltwater Areas:
 In or near saltwater
 Mud flats
 Tidal areas
 Estuaries
 Saltmarshes
 Brackish water
 Seashores
 Coastal dunes or beaches
Rocky or Gravelly Areas:
 Coastal bluffs
 Cliffs
 Rocky slopes
 Outcrops
 Crevices
 Glacial outwash
 Gullies
 Slide areas
Sub-alpine and Alpine:
 Heaths
 Snow beds
 Tundra
 Avalanche tracks
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Forests and Thickets:
 Forests and woods
 Open forests
 Coniferous forests
 Old growth forests
 Deciduous forests
 Mixed forests
 Nurse logs
 Forest edges, openings, or clearings
 Thickets
Meadows and Fields:
 Pastures or fields
 Meadows or grassy areas
 Mossy areas
Disturbed Areas:
 Roadsides
 Trailsides
 Logged sites
 Burned areas
 Disturbed sites
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 Berries
 Seeds
 Nectar for hummingbirds
 Nectar for butterflies
 Host for insect larvae
 Thickets and shelter
 Thorny or protective cover
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Birds: The berries are eaten by waxwings, robins, and other birds. Annas hummingbirds use the nectar in lowland areas.
Mammals: Foxes, coyotes, deer and bear eat the berries.
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Landscape Uses: Best in a woodland garden or as background planting.
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Suggested References
The landscaping and restoration information provided on this page is taken from the Starflower Foundation Image Herbarium. All photographs © Starflower Foundation unless otherwise noted.