Every living thing requires water, but a cactus is just well-designed to survive without a lot of water, plus it uses what water it does have much more efficiently than other plants. … Some cactus species can go for two years without water.
Simply so, how do you know when a cactus needs water?
How To Tell When To Water Cactus ā Signs Of An Under-Watered Cactus
- The Cactus will usually pucker or shrivel as it uses up the water reserves that are stored within it.
- The Cactus will start to discolor. …
- The Cactus will start to become dry or calloused as it runs out of moisture.
Hereof, how often do cacti need watering?
If you want your cacti to grow, then water is vitally important. In a sunny location, that gives them plenty of heat during the day, you can give them water every week. The only rule is: Make sure the soil is dry between waterings.