Kalanchoe sexangularis

It has small, yellow, tubular flowers. This is a fast-growing plant and a beauty to have in the garden. Older plants every so often need a hard prune to keep growth tidy, as well as beautiful and lush. Some might say prune after flowering, but it is generally only necessary when material becomes old and untidy. to direct sun or temperatures around 40F brings out bright red stress colors, particularly on the edges and undersides of the leaves. It is a fast, easy grower. It will not survive a hard frost. Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz