Cape Mahogany (Trichilia dregeana)

Cape Mahogany

Trichilia dregeana

Its dense evergreen foliage creates a quiet, cooling canopy. Evergreen tree; common names: Cape Mahogany, White Cedar.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates dappled shade in hot, arid regions to prevent leaf scorch
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Watering Water deeply and infrequently; allow the top 15–20 cm of soil to dry completely between waterings
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Temperature Hardy to mild frost; avoid prolonged exposure to temperatures below 5°C to prevent leaf damage
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Characteristics

  • Leaf: Pinnately compound leaves with 5–9 glossy dark green leaflets, arranged oppositely on stems
  • Flower: Small, creamy-white, fragrant blooms in axillary panicles
  • Stem/Bark: Smooth grey-brown bark that develops shallow fissures as the tree matures
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Care Guide

Watering

Keep soil consistently moist but not saturated during active growth

Fertilization

Apply a balanced organic fertilizer once at the start of the growing season. Avoid over-fertilizing, as excessive nutrients can lead to weak, leggy growth

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute the mixture 1:20 with water before applying as a root drench; discard solid peels to prevent pest infestations
Pruning
  • Remove dead, damaged, or diseased branches in late winter to encourage new, healthy growth
  • Thin overcrowded inner stems to improve airflow and light penetration through the canopy
  • Shape young trees during early spring to establish a strong, upright central leader
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA has no listed toxicity for cats; no reported adverse effects

Humans: No confirmed toxic compounds identified for human consumption or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental shade tree in urban landscapes; durable wood used for small carpentry projects in native regions