Turk's Cap Mallow (Malvaviscus arboreus)

Turk's Cap Mallow

Malvaviscus arboreus

Crimson, unopened blooms curve like a turban, a cheerful tropical accent. Evergreen flowering shrub; common name: Turk's Cap Mallow.

Full sun
2–3/week
Beginner
🌱

Plant Needs

☀️
Sunlight Full sun to partial shade; tolerate light afternoon shade in hot, arid climates to prevent leaf scorch
💧
Watering Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
🌡️
Temperature Hardy to 5°C; protect from frost in temperate regions; thrives in warm, humid conditions
🔍

Characteristics

  • Leaf: Ovate with serrated edges, dark green upper surface, fuzzy pale underside
  • Flower: Crimson tubular blooms that remain unopened, with protruding stamens
  • Stem: Woody branching stems with light brown, slightly textured bark
🛠️

Care Guide

Watering

Keep soil consistently moist; increase watering frequency during extreme heatwaves

Fertilization

Diluted balanced feed every 2 weeks. Cease fertilization in autumn and winter to support dormancy

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Prune dead or damaged branches in early spring to encourage new growth
  • Deadhead spent blooms regularly to extend the flowering period
  • Trim leggy stems to promote a bushier, more compact shape
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no adverse health effects reported

Humans: No known toxic effects for humans; safe for handling and ingestion in small amounts

📖

Garden Uses & Culture

Culture: Symbolizes warmth and hospitality in traditional Southern US garden landscapes

Usage: Ornamental flowering shrub; attracts hummingbirds, bees, and butterflies