Lovely Outdoor Cassia Trees
Cassia trees are prolific bloomers, with yellow flowers covering the tree most of the year. Widely grown ornamental trees, cassias are medium-sized trees growing between 10 – 20 m tall. This fast grower is deciduous in nature. The leaves are long, about 20 – 60 cm, with each pinnate having a minimum 6 – 8 leaflets. It’s the beautiful bright sunny yellow flowers, the cassia bears that has caught the attention of landscapers around the world. Every spring this tree bursts out with profusely flowering pendulous racemes measuring 20 – 40 cm. Each raceme has about a hundred, five-petalled flowers that open slowly, prolonging the flowering period. It bears fruits that contain several poisonous seeds, and has a typical pungent odor.
The cassia trees are tolerant of most soils, but prefers moist and well drained ones. It requires full sunlight for blooming, and the flower colors to come true. The tree is primarily propagated through seeds and graft methods. Before germinating the cassia seed, a word on how to go about it. A dried seed is generally dormant, and the seed coat is impervious to water and gases required to kick start the germination process. A cassia seed has a very hard coat that needs to be broken for germination, hence, it is essential that the seed coat be altered physically.