Sideroxylon alachuense

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Alachua Buckthorn,silver Buckthorn, Clark's Buckthorn


Also known as Bumelia anomala

Plant Specifics

Size:20-30 ft
Life Span:Long-lived perennial
Flower Color:White
Fruit Color:Brown
Noted for:Interesting foliage, Thorns


Recommended Uses:Can be pruned either as a small tree or a large shrub. Can also be used as a hedge.
Propagation:Seed, cuttings.
Availability:Native nurseries, Seed
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Somewhat moist, no flooding ----- to ----- Very long very dry periods)
Moisture Tolerance: Somewhat moist, no flooding ----- to ----- Very long very dry periods
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil or other substrate:Loam, Lime rock, Sand
Soil pH:Adaptable



Fruits eaten by birds and small mammals.

Good cover plant.


Native bees love the flowers.

Native Habitats:Moist hammocks. Rare.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures