Description for Sesbania grandiflora, Hummingbird tree Plant height: 10 - 16 inches Plant spread: 3 - 5 inches Sesbania grandiflora also was known as the vegetable hummingbird, Agati or hummingbird tree. This plant can fix the nitrogen in the soil. This plant is fast growing and light branching; grow up to 8 m in height. the plant bears the single white fragrant flowers from September to October month. Fruit pots are slender up to 30 cm in length. Common name(s): Agathi, West Indian Tree, Vegetable Humming bird, Aghastya, White Dragon tree Flower colours: White Bloom time: June to frost Max reachable height: Up to 8 m Difficulty to grow: Easy to grow Planting and care Sesbania grandiflora is propagated through seeds. Before sowing, seeds are soaked in the water for 12 hours. This plant required full sunlight to grow well. Apply organic fertilizer or manure in spring season. Sunlight: Full