Form: Multitrunked shrub growing into a tree.
Leaf retention: Cold deciduous.
Growth rate: Slow.
Mature Size: 15-30' high and wide.
Flowers: Fragrant, yellow-white, oblong, like small bottle brushes,
in clusters at end of twigs.
Bloom: Mid fall and/or mid spring.
Fruit: Large seed pod, green turning to dark brown. May persist on
tree for one year.
Leaves: Green, small, spoon-shaped. Provides dense shade.
Stems: Thorny, zig-zag pattern along length.
Wildlife: Attracts bees.
Toxic / Danger: Very thorny.
Origin: Texas and Mexico.
Cultivation and Uses
USDA hardiness zones: 8-11. Stem dieback in zone 8.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun.
Water once established: Monthly.
Soil: pH 6.6-7.8 (neutral to slightly alkaline). *Do not use a nitrogen fertilizer.
Prune: Carefully prune horizontal, inward- and downward-pointing
branches. Take care to avoid thorns.
Do not shear from outside or
on top or branches will grown into a twisted mess. Remove lowest
ring of branches to promote eventual walk-under tree.
Litter: Low except for seed pods in fall.
Uses: Ornamental, shade, barrier.
Former scientific name Pithecellobium flexicaule.
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