Leaf retention: Deciduous.
Growth rate: Moderate to rapid.
Mature Size: 15-25' high and wide.
Flowers: Orange to yellow puff-balls, about 1/2" in
diameter, sweetly fragrant, abundant.
Bloom: Late fall through spring.
Fruit: Dark brown, tubular bean pod, not significantly constricted
Leaves: Tiny, oval, green, compound. Provides light filtered shade.
Stems: Paired spines at nodes of slightly zig-zag branches.
Wildlife: Attracts butterflies, bees.
Toxic / Danger: Spines.
Origin: California to Georgia, Florida, and Mexico.
Cultivation and Uses
USDA hardiness zones:
8b-11 or 9b-11 depending on source of seed
from which plant sprouted.
Water once established:
Well drained, dry, low in organic content, pH 6.1-7.8
(slightly acidic to slightly alkaline). *Do not use a nitrogen fertilizer.
Low, except pruning.
Can be prone to mistletoe
infection if given insufficient water.
Former scientific names include A. smallii, A. minuta, Mimosa farnesiana,
Vachellia farnesiana. It is still listed as V. farnesiana instead of
Acacia farnesiana by some organizations on the Internet.
Cold hardiness dependent on where seeds are grown, leading to differing
(former) species names between those derived from colder versus warmer zones.
This species differs from Acacia constricta in that it has a more definite,
and larger, central trunk when multiple trunks develop. The bean pods are
tubular rather than flattened, shorter and dark brown rather than reddish tan.
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