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xmas cactus from Chinese restaurant in Pueblo CO

Besides being pretty, this plant has a secondary virtue. It blooms twice a year, once just before xmas and again 3 months later. As all of you who have tried growing xmas cacti know, all those many small buds that are present will never develop beyond what you see. My current theory is that the bigger flowers make abscissic acid which causes abscission of the small buds, along with the spent big flowers.   (23/32)   

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