For about 6-8 weeks before you want it to bloom, the Christmas cactus should experience 12-14 hours of complete darkness each ...

Give Christmas cactus lots of indirect light year-round, and don't allow the soil to dry out too much once flower buds form. Daytime temperatures between 60-69°F and nighttime temperatures in the ...

Sir David Attenborough inspects cholla buds during filming ... and none are better defended than the cactus. Filming in the Sonoran Desert of Arizona, can be a painful experience, especially ...