Leaf retention: Evergreen but frost-deciduous.
Growth rate: Moderate to rapid.
Mature Size: 3-4' high and 5-6' wide.
Flowers: Purple, pea-like, small, in dense, short spikes at
the ends of branches.
Bloom: Winter and spring, and/or mid-summer through fall, depending
on local climate.
Leaves: Small, numerous green leaflets.
Stems: No thorns.
Roots: Nitrogen-fixing*. Stem nodes root wherever they touch ground.
Wildlife: Attracts bees, and occasionally, butterflies.
Browsed by mammals.
Toxic / Danger: No.
Origin: New Mexico, Oklahoma, Texas and Mexico.
Cultivation and Uses
USDA hardiness zones: 8b-13.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun.
Water once established: Monthly. Do not overwater.
Soil: Very well drained, dry, low organic content, pH 6.6-8.5
(neutral to alkaline). *Do not use a nitrogen fertilizer.
Prune: When danger of frost is past, remove damaged parts, shear
heavily to shape or rejuvenate. Can be sheared into a hedge after
flowering. Too much shearing can reduce flowers.
Uses: Ornamental, hedge. Possible erosion control on rocky slopes.
Prone to root rot when over-watered.
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