Botanical name: Cassia fistula. Category: Trees. Cultivated in Indian gardens, parks or landscapes where climate and space suit the species; check local native/invasive status and municipal planting guidance. Best season: Monsoon planting preferred. Mature/retail size: 3–4 ft sapling. Light: Full sun. Water: Low to moderate. Landscape use: flowering avenue, parks. Care/notes: Seasonal yellow flowering; needs space.