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PlantFiles: Saffron Plum
Sideroxylon celastrinum

Family: Sapotaceae
Genus: Sideroxylon (sy-der-oh-ZY-lon) (Info)
Species: celastrinum (see-LASS-trin-um) (Info)

Synonym:Bumelia angustifolia
Synonym:Bumelia celastrina
Synonym:Bumelia spinosa

4 members have or want this plant for trade.


15-20 ft. (4.7-6 m)

10-12 ft. (3-3.6 m)

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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Pale Green

Bloom Time:
Mid Spring


Other details:
Drought-tolerant; suitable for xeriscaping
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall
By air layering

Seed Collecting:
Remove fleshy coating on seeds before storing
Allow unblemished fruit to ripen; clean and dry seeds

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to view:

By olddude
Thumbnail #1 of Sideroxylon celastrinum by olddude

By olddude
Thumbnail #2 of Sideroxylon celastrinum by olddude

By olddude
Thumbnail #3 of Sideroxylon celastrinum by olddude


1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive olddude On Jul 3, 2011, olddude from Big Pine Key, FL (Zone 11) wrote:

Very dense wood. Fruit is a favorite of the endangered white-crowned pidgeon. Native to Florida Keys. Self seeds, drought tolerant, beware of spines.

Neutral frostweed On Feb 15, 2007, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Saffron Plum Sideroxylon celastrinum is Native to Texas and other States.


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

Big Pine Key, Florida
Key Largo, Florida

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