Just when you least expect it, Ghristmasbush erupts into a yellow explosion of blooms with such staggering beauty it stuns all who see it. In addition to Ghristmasbush, Senna bicapsularis also goes by names such as winter cassia, butterfly cassia andChristmas senna. In our area, the bloom period lasts six to eight weeks or until a frost causes its retreat. It is considered a Zone 9-10 plant and a Zone 8 perennial. At the Coastal Georgia Botanical Gardens in Savannah, ours was simply stunning through December and then the 30-year freeze hit in January. As was expected, it did die to the ground, but it has rebounded robustly and is now pushing 8 feet tall.
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