Photo by Melody

PlantFiles: Klamath Plum, Sierra Plum, Pacific Plum
Prunus subcordata

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Prunus (PROO-nus) (Info)
Species: subcordata (sub-kor-DAH-tuh) (Info)

One vendor has this plant for sale.

3 members have or want this plant for trade.


20-30 ft. (6-9 m)

15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)

USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer


Other details:
This plant is attractive to bees, butterflies and/or birds

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From woody stem cuttings

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By ogon
Thumbnail #1 of Prunus subcordata by ogon

By ogon
Thumbnail #2 of Prunus subcordata by ogon


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive Gaardenier On Jul 19, 2013, Gaardenier from Mortsel
Belgium wrote:

We are a group of teachers and friends (some retired) of the Antwerp Horticultural College in Antwerp, Flanders Belgium.
As to increase our diversity on sources, and germination chances, this request.

We try to establish a collection of all possible Prunus varieties, especially the wild ones, as an educational help for our students to show realistic diversity. Some specimens are still missing.

This message is a request for help to find some viable seeds or even better, seedlings with naked roots, from:
- Desert Apricot or Prunus fremontii
- Sierra Plum or P. subcordata
- Desert Peach or P. anderssonii
- Desert Almond or P. fasciculata
- Hollyleaf Cherry or P. ilicifolia
As these are maybe growing in your area, probably you could help, or forward this request.
Our climate here is comparable with US zone 8a or b. So we think that these plants could thrive here.
Of course we are ready to pay all expenses and costs for sending.
Also trade with Edible Silverberry seeds (Eleagnus multiflora).

Positive ogon On Jun 24, 2011, ogon from Paradise, CA (Zone 9a) wrote:

Grows wild in the foothills of the Sierra Nevada, including my front yard, and great grandparents had a mature tree growing in their yard in Magalia when I was a child. Fruit matures to yellow blushed with orange. It's roughly the size of a cherry, perhaps a bit larger, and contains a large pit. Fruit is tart but sweet and I always enjoyed eating them. Not enough flesh to be worth pitting them to can or bake with, but fresh fruit is delicious, though probably and acquired taste.

I have several young trees growing in the vacinity of what appears to be the stump of the parent plant which was likely removed by the prior owner. These are small shrub/trees and the stump has roughly a 3in diameter. I recognize the young trees easily as they sprouted near my grandparent's tree as well. Young leaves are a mix of ovate and oval, becoming more oval as the plant matures.


This plant has been said to grow in the following regions:

Paradise, California
Klamath Falls, Oregon

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