Cassia fistula: complete guide

Overview

Cassia fistula, Golden Shower tree, is spectacular tropical tree from Indian subcontinent. Beautiful golden-yellow flowers in May-June.

Appearance

Grows to 5-10 meters with broad foliage. Compound leaves. Yellow flowers in long hanging tresses to 50 cm.

Ideal location

Abundant sunlight and warmth. At least 6-8 hours direct sun daily. Greenhouse cultivation recommended.

Soil

Well-draining, moderately fertile soil. Avoid heavy waterlogged soils.

Watering

Established trees fairly drought-tolerant. Regular water in growth and flowering period.

Pruning

Minimal pruning. Formative pruning in early stages. Light pruning helps open growth.

Maintenance calendar

Spring: Soft growth, begin feeding. Summer: Peak flowering May-June. Fall: Stop feeding. Winter: Dormant, frost protection.

Winter hardiness

Not winter hardy. USDA 9b-11+ for outdoor growing.

Companion plants

Other heat-loving exotic plants.

Closing

Spectacular but heat-demanding. Container culture recommended. gardenworld.app/en