Scarlet wisteria (Sesbania punicea)
Care, watering, light and tips for Scarlet wisteria on Floravia.
Quick facts
- Family: Fabaceae
- Difficulty: Moderate care
- Watering: every 7 days
- Light: Full sun
- Temperature: 5–35 °C
- Toxicity: Toxic to pets
About Scarlet wisteria
Sesbania punicea, commonly known as 'Rattlebox' or 'Scarlet Wisteria', is a deciduous to semi-evergreen shrub or small tree native to South America. It's renowned for its hanging clusters of pea-shaped red or orange flowers that bloom in spring and summer, followed by distinctive four-winged seed pods. It's ideal for adding an exotic and vibrant touch to sunny gardens, either as a specimen plant or in borders.
Native range
South America (Argentina, Brazil, Paraguay, Uruguay)
Care tips
It requires full sun for optimal flowering, although it tolerates some partial shade. Watering should be regular during the growing season, keeping the substrate moist but not waterlogged, and reduced in winter. It prefers well-drained, rich, and fertile soils. Avoid severe frosts, as it is sensitive to cold and can die or suffer serious damage.
How to save a dying Scarlet wisteria
- Warning signs
- Yellow or dropping leaves, no flowering, soft or dry stems.
- First aid
- Check drainage and soil moisture. Prune damaged stems. Repot if soil is compacted.
- What kills it
- Constant waterlogging or poor soil. Sensitive to prolonged frost. Lack of sun.
- Can it be saved?
- Yes, if you act quickly. It's a resilient plant if conditions are corrected.