Greenheart (Colubrina arborescens)

Greenheart

Colubrina arborescens

Its dense foliage forms a rounded canopy, a sturdy evergreen for warm climates. Evergreen tree; common names: greenheart, snakewood.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates brief periods of intense midday sun in cool subtropical regions
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Watering Water deeply when the top 5 cm of soil is dry; avoid waterlogging to prevent root rot
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Temperature Thrives in warm subtropical climates; sensitive to frost, protect temperatures below 10°C
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Characteristics

  • Leaf: Simple ovate to elliptical leaves with serrated margins; glossy dark green upper surface, pale green underside
  • Flower: Small, greenish-white, fragrant flowers clustered in axillary inflorescences
  • Stem/Bark: Smooth grayish-brown mature bark; flexible, light green young stems
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Care Guide

Watering

Keep soil consistently moist during active growth period

Fertilization

Diluted balanced granular feed every 4 weeks. Avoid over-fertilizing to prevent excessive foliage growth at the expense of flowering

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drench to support foliage health and flowering
Pruning
  • Remove dead, damaged, or crossing branches in late winter to maintain canopy shape and airflow
  • Trim back overgrown stems in early spring to encourage dense, compact growth
  • Remove suckers at the base to direct energy to the main trunk and upper canopy
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: Not listed as toxic to cats by ASPCA

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental shade tree; dense wood used for small crafts and tool handles