Dwarf Coral Tree (Erythrina humeana)

Dwarf Coral Tree

Erythrina humeana

Vibrant coral blooms light up warm gardens like tropical embers. Deciduous flowering shrub; common name: Dwarf Coral Tree.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; full sun exposure promotes the most abundant flowering
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Watering Water deeply when the top 5 cm of soil feels dry; avoid waterlogging to prevent root rot
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Temperature Tolerates mild frost down to 10°C; thrives in warm, subtropical daytime temperatures
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Characteristics

  • Leaf: Trifoliate leaves with glossy green leaflets; sharp spines present on petioles and stems
  • Flower: Dense upright racemes of bright coral-red, pea-shaped blooms
  • Stem: Woody, branching stems with curved defensive spines
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Care Guide

Watering

Keep soil consistently moist during active growth; supplement with deep water during dry spells

Fertilization

Apply balanced slow-release fertilizer once at the start of growing season. Avoid high-nitrogen fertilizers to prevent excessive foliage growth over blooms

Composted banana peel tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 with water for root drenching; avoid raw peels to prevent odor and pest issues
Pruning
  • Wear thick gloves to avoid spine punctures while pruning
  • Deadhead spent flower racemes to encourage prolonged blooming
  • Prune overgrown branches in late winter to maintain compact shape
  • Remove damaged or diseased stems to improve airflow and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic due to erythrina alkaloids; may cause vomiting, diarrhea, and lethargy

Humans: Ingestion causes mild gastrointestinal upset; skin irritation from spine punctures

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Garden Uses & Culture

Culture: Symbolizes warmth and vibrancy in traditional South African garden landscapes

Usage: Ornamental garden shrub; attracts hummingbirds, bees, and other pollinators