As a houseplant expert, I'm often asked how to water a cactus. After all, it's one of those plants that looks happy, until suddenly it's shrivelled, has yellowing fluffy patches, has become lopsided ...

How often to water a Christmas cactus depends on whether your plant is blooming or not. There's some confusion around how ...

There's some confusion around how often to water a Christmas cactus because of its name. Though it sounds like it might be a desert-dweller, it's actually native to humid tropical forests in Brazil ...