Shamel Ash (Fraxinus uhdei)

Shamel Ash

Fraxinus uhdei

Its dense canopy casts cool shade, a quiet giant of warm climates. Evergreen deciduous tree; common names: Shamel Ash, Tropical Ash.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates reflected urban heat and mild drought once established
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Watering Water deeply to encourage deep root growth; avoid frequent shallow watering that promotes weak roots
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Temperature Thrives in warm temperate to subtropical climates; avoid prolonged temperatures below 5°C to prevent leaf damage
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Characteristics

  • Leaf: Compound pinnate leaves with 5–9 glossy, elliptical leaflets; dark green upper surface, paler underside
  • Flower: Small, greenish-white, clustered in panicles; lack petals
  • Stem/Bark: Smooth gray bark when young, becoming furrowed with age
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Care Guide

Watering

Water deeply every 7–10 days during dry periods; mulch to retain moisture

Fertilization

Apply balanced slow-release fertilizer in early spring to support new growth. Do not fertilize mature, established trees unless showing signs of nutrient deficiency

Eggshell powder topdress:Crush dried, clean eggshells into fine powder; sprinkle 1–2 tablespoons around the tree’s drip line every 6 months; water thoroughly to release calcium into the soil
Pruning
  • Remove dead, diseased, or crossing branches in late winter to maintain structural integrity
  • Thin overcrowded inner branches to improve air circulation and reduce pest risk
  • Avoid heavy pruning in summer to prevent sunscald on exposed trunk and branches
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxic reactions

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

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Garden Uses & Culture

Culture: N/A

Usage: Shade tree for urban parks, residential yards, and streetscapes; wood used for light carpentry and tool handles