It prefers deep, well-drained, sandy loams with a pH range of neutral to slightly alkaline, and can withstand poor soils, coastal conditions, and full sun.
Cassia fistula tree requires at least six hours of direct sunlight per day to thrive, and can be planted in gardens with long summers and lots of sunlight.
Warm and humid weather conditions are essential for the growth of the Cassia fistula tree, which is adapted to tropical and subtropical climates.
The ideal humidity level for this plant is 50%.Insufficient humidity leads to leaves turning yellow and abundant humidity may lead to leaves turning brown in colour
Cassia fistula plants require a healthy amount of organic matter in the soil, but use inorganic fertiliser sparingly as too much can harm the roots.
Pruning is an important part of maintaining the health of Cassia fistula plants.