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Cassia spectabilis, Senna spectabilis, Senna macranthera, Cassia, Scented Shower

Cassia spectabilis, Senna spectabilis, Senna macranthera

Cassia, Scented Shower
Family: Fabaceae
Subfamily: Caesalpinioideae
Origin: South-East Asia
Small tree 10-20 ftSemi-shadeFull sunModerate waterRegular waterYellow, orange flowersPlant attracts butterflies, hummingbirdsFragrant plantSubtropical or temperate zone plant. Mature plant cold hardy at least to 30s F for a short time

Cassia spectabilis requires full sun for best growth although it will tolerate semi-shade, with regular water in summer and occasional water in winter. The mature plant is cold hardy at least to low 30s F (0C) for a short time. When grown in a pot, the soil should be allowed to dry out slightly between waterings. It is best not to over-water it. It is a tropical species, native to the South-East Asia, that grows to 10-20 feet tall in USDA Zones 9-11. It produces very showy yellow and orange flowers, which are fragrant and attract butterflies and hummingbirds.

This ornamental plant is tolerant of pruning and can make an excellent hedge/bower or a trellis as it clings easily and is moderate fast growing. It can be maintained at a lower height as well. Cassia spectabilis needs a sheltered position, preferrably with a south or south-east facing aspect when grown in cold regions. In cold regions it is best to bring the potted plant indoors in winter or to insulate the pot for additional cold protection. Cassia spectabilis is an outstanding, long-blooming, cold hardy and easy to grow tropical tree or large shrub, ideal for both home and landscape gardens.

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