Bushwillow (Combretum collinum)

Bushwillow

Combretum collinum

Its delicate sprays of flowers bring soft golden warmth to arid landscapes. Deciduous shrub or small tree; common name: Bushwillow.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerant of intense arid sunlight and mild drought-induced stress
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Watering Drought-tolerant; water deeply but infrequently, allowing the top 15–20 cm of soil to dry completely between waterings
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Temperature Hardy to mild frost (down to 5°C); thrives in warm to hot arid or semi-arid climates
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Characteristics

  • Leaf: Simple, opposite or sub-opposite leaves; elliptical to oblong, glossy green with pale undersides, turning yellow in autumn
  • Flower: Dense terminal spikes of small, creamy-yellow to pale orange flowers with a faint sweet scent
  • Stem/Bark: Grey-brown, rough, fissured bark on mature plants; young stems are slender and green
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Care Guide

Watering

Water deeply every 7–10 days during prolonged dry spells; avoid overwatering to prevent root rot

Fertilization

Apply a balanced diluted fertilizer once at the start of the growing season. Use a low-nitrogen fertilizer to promote flowering rather than excessive foliage growth

Banana peel compost tea:Use fully composted banana peels; dilute 1:20 with water for root drenching; avoid raw peels to prevent pest infestations
Pruning
  • Remove dead or damaged branches in late winter to improve airflow and reduce disease risk
  • Thin overcrowded stems to maintain an open, rounded growth form
  • Trim back wayward growth immediately after flowering to encourage bushier new growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA has no listed toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden plant; provides shade in arid landscapes; used for traditional medicinal purposes in some southern African communities