Christmas cacti need four to six hours of direct sun, except for eight weeks in the fall. To bloom, the Christmas cactus needs 12 to 15 hours of total uninterrupted darkness. The darkness needs to be ...

Add Yahoo as a preferred source to see more of our stories on Google. Gina Easley /Alamy Stock Photo. No, it's not a standard cactus that's been given a festive makeover, decorated with a string of ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While Thanksgiving cacti thrive outdoors in USDA Hardiness Zones 10–12, they also make excellent indoor ...

Unlike most other houseplants, how much light a Christmas cactus needs varies over the course of the year. That’s why there is no one-fits-all answer—it depends on where the cactus is in its annual ...