How to Grow Turk's Cap
Malvaviscus arboreus
Turk's Cap thrives in heat and tolerates shade better than most flowering shrubs — ideal for tricky spots under trees or on north-facing walls in warm climates. Plant in well-drained soil, water regularly until established, then it is largely self-sufficient. Cut back hard in late winter to keep it tidy and encourage vigorous flowering shoots. The twisted red blooms attract hummingbirds all summer and autumn.
Yearly Lifecycle
Care Essentials
Feed in spring as growth begins with a balanced slow-release fertiliser. A second light feed in midsummer supports the long flowering season.
Watch For
- Whitefly
- Spider mites in hot dry weather
- Scale insects
- Root rot in waterlogged soil
Companions
Salvia, Lantana, Mexican Sage, Firebush
Care Requirements
Light
Part shade to full sun; tolerates deep shade
Thrives in partial shade to full sun. Uniquely tolerant of deep shade for a flowering shrub — one of very few that blooms reliably under tree canopy. In hotter climates, some afternoon shade reduces water needs.
Watering
Moderate; drought tolerant once established
Water regularly during the first growing season to establish a deep root system. Once established, Turk's Cap is highly drought tolerant and needs little supplemental irrigation except in extreme dry spells.
Fertilizing
Light balanced feed in spring; optional summer top-up
Apply a balanced slow-release fertiliser in spring. A light liquid feed in midsummer can extend the flowering season but is not essential on fertile soils.
Pruning
Hard prune to 30 cm in late winter
Cut all stems back hard to about 30 cm from the ground in late winter before growth resumes. This annual prune keeps the plant tidy, prevents it becoming woody and leggy, and stimulates the most vigorous flowering shoots.