Klamath plum (Prunus subcordata) is a deciduous shrub or small tree of the western US, native to Oregon and California, that spreads by root suckers into dense spiny thickets and bears small, tart red or yellow plums in late summer.
Family
Rosaceae (Rose family)
Grows as
Tree
Light
Full sun, Part shade
Water
Water deeply during dry summers while young, then rely mostly on rainfall once established.
Soil
Well-drained soil, tolerates a range of types including rocky or foothill ground.
Temperature
Hardy in cool temperate climates; tolerates cold winters and hot dry summers of its native range.
How easy
Easy
Safety
Toxic to cats and dogs (ASPCA).
Edible
Yes, some parts
Native range
Oregon to California
Climate
temperate
About
Prunus subcordata, known by the common names Klamath plum, Oregon plum, Pacific plum and Sierra plum, is a member of the genus Prunus, native to the western United States, especially California and Oregon.
Where it grows
The species is native to Northern California and from central to western and southern Oregon. It grows in forests, most often at low elevations near the coast, but is also found in the Sierra Nevada and Cascades. It grows at altitudes of 100–1,900 m (330–6,230 ft).
Text excerpted from the Wikipedia article Prunus subcordata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.