Ask a Question forum: Cactus Fertilizer

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Jun 2, 2016 6:19 PM CST
How often should you fertilize a cactus? Is dyna grow any good?
Name: Gene Staver
Portage WI 53901 (Zone 5a)
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Jun 2, 2016 11:11 PM CST
How often depends on many variables. Type of pot it is in, soil mix, is it actively growing. What species of Cactus, age. How much sun does it get, heat, humidity. And some others I can't think of now. No easy answer. If in doubt, I'd say it is better to not feed than feed too much. Gene
Name: Daisy I
Reno, Nv (Zone 6b)
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Jun 2, 2016 11:30 PM CST
Welcome! to NGA

Where out west are you located? I live in Reno, NV, pretty far out west (unless you are in Hawaii).

Are you talking about time release? As in Dynamite? I don't fertilize my cactus very often - forgetful. But when I do remember, I mix at about half strength. If you fertilize every two weeks (about how often I water), I would use 1/4 strength.

Cactus live in a nutrient deficient, water deficient environment. Everything they can get, they take. That means YOU have to know when enough is enough. If your cactus are planted in the ground, they take a lot less care than cactus planted in pots. In the ground, cactus roots spread out just under the soil surface, to collect as much moisture and nutrients as they can find. In a pot, spreading is not an option so the roots fill the pot making root rot more of an issue (caused by too much water and too much fertilizer).

Hope this helps.

Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost


Jun 3, 2016 2:35 AM CST
Thank you everyone

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