Kiawe (Prosopis pallida)

Kiawe

Prosopis pallida

Its feathery foliage casts dappled shade, a drought-tough desert staple. Deciduous tree; common name: Kiawe.

Full sun
0–1/week
Moderate
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Plant Needs

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Sunlight Full sun exposure preferred; tolerates intense desert heat and prolonged UV radiation
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Watering Drought-tolerant; water deeply once every 1–2 weeks in active growth, suspend watering during winter dormancy
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Temperature Thrives in hot arid climates; tolerates brief light frosts down to 5°C without permanent damage
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Characteristics

  • Leaf: Bipinnate, feathery leaves with small oval leaflets; gray-green, velvety texture
  • Flower: Cylindrical, pale yellow spikes; fragrant and nectar-rich
  • Stem/Bark: Rough, dark brown bark; thorny branches with sharp, curved spines
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Care Guide

Watering

Deep watering every 10–14 days to encourage deep root establishment; avoid frequent shallow watering

Fertilization

Light, balanced slow-release feed once at bud break. Avoid high-nitrogen fertilizers to prevent weak, leggy branches

Dried eggshell powder:Crush dried eggshells into fine powder; sprinkle a thin layer around the base of the tree, gently work into topsoil to avoid stem contact
Pruning
  • Remove dead, damaged, or crossing branches in late winter to maintain canopy shape
  • Trim thorny lower branches to improve pedestrian accessibility
  • Thin overcrowded inner growth to enhance air circulation and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no known toxic compounds

Humans: Non-toxic to humans; no recorded adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Shade tree, bee forage, firewood, and traditional food source from seed pods