We Get Questions


I have a small cactus, only about an inch and a half tall. I left it on my radiator while I went home for spring break, and it curved in a right angle towards the window. Thinking it wanted light, i put it on the sill above the radiator, where it proceeded to turn a pale, bleached color. I would like to keep this plant living the best I can, and am wondering now if it should be watered more/less, and how much light I should be giving it.

Thank you,
David

David,
It sounds like your cactus got a sunburn. It depends on how severe it was as to whether or not it will come out of it. Can you send us a picture?

As for watering, in general we recommend watering every 2 to 3 weeks, drenching the pot and letting it drain away. Cactus like lots of light, so a west or south facing window is best. Always keep it a few inches away from the glass because heat can build up at the surface. Also, as you’ve discovered, moving a cactus, or any plant, from low light directly to full sun can cause a sunburn.
Peter


    
    
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