Cassia grandis seeds will usually germinate in 7-90 days. Sow Cassia grandis seeds about 13mm deep in a Well drained seed sowing mix at about 22°C. Cassia grandis seeds have a hard seed coat that is impermeable to water, and which prevents the seed from imbibing.

Flowering: During the hot weather (April-May) the tree becomes most conspicuous with its pendulous inflorescence of golden yellow, mildly scented flowers. The tree remains leafless at the commencement of flowering and the end of the flowering season; the leaves start to appear.

Grow cassia in well-drained soil that isn't prone to standing water. Cassia tolerates and grows well in most moderate-quality garden soil. Space plants 3 to 4 feet apart from each other and other nearby plants. Cassia also grows well in large pots filled with standard potting soil.

Cassia fistula, commonly known as golden shower, purging cassia, Indian laburnum, or pudding-pipe tree, is a flowering plant in the subfamily, Caesalpinioideae of the legume family, Fabaceae.. . . . .364011234978!]0000000000000009783314147262!]