Rose mallow (Hibiscus liliiflorus)
Care, watering, light and tips for Rose mallow on Floravia.
Quick facts
- Family: Malvaceae
- Difficulty: Moderate care
- Watering: every 3 days
- Light: Partial shade
- Temperature: 10–30 °C
- Toxicity: Toxic to pets
About Rose mallow
Hibiscus liliiflorus, also known as Ketmie à fleurs de lys or St. Louis Flower, is an evergreen shrub or small tree native to Mauritius, famed for its large, showy scarlet-red flowers reminiscent of lilies. Its elegant blooms can reach up to 15 cm (6 inches) in diameter, making it a striking feature in tropical and subtropical gardens or as a potted ornamental in cooler climates. Its graceful habit and abundant flowering make it a captivating focal point.
Native range
Mascarene Islands (Réunion and Mauritius)
Care tips
This plant thrives in full sun for optimal flowering, though it can tolerate some partial shade in very hot climates. It requires regular and abundant watering, keeping the soil consistently moist but well-drained, especially during blooming, while avoiding waterlogging. It prefers rich, organic, slightly acidic to neutral soils with good drainage. A common mistake is insufficient watering or poor drainage, which can lead to bud drop or root rot.
How to save a dying Rose mallow
- Warning signs
- Yellowing and dropping leaves, buds not opening or falling, soft stems.
- First aid
- Check watering and drainage. Move to indirect light. Prune damaged stems.
- What kills it
- Extreme over/under-watering, cold drafts, untreated spider mites.
- Can it be saved?
- Yes, with quick action. Hibiscus is resilient but needs consistent care.