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Old 07-24-2008, 09:53 AM
 
Location: Phoenix metro
20,005 posts, read 67,942,110 times
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Seeing that this cacti is native to the Carribbean and Florida, do these need to be watered thoroughly often? I know that Florida gets lots of rain, so therefore I assume these shouldnt be treated like conventional cacti? Or am I wrong? I see they need full morning sun and afternoon shade, which is exactly what I give them, but there are no sites that show how frequently/infrequently I need to water it.

HELP!
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Old 07-24-2008, 05:03 PM
 
Location: Out there somewhere...
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That plant Steve is part of the prickly pear family and needs to be watered, if it's in the ground, in your area about once every 4-6 weeks in the spring summer fall months. Never water in the winter. If it's in a porous clay pot maybe once every 2 weeks. The ideal way to water most cacti is to water them thoroughly, then let them dry out completely before watering again. A water meter helps guide you.
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Old 08-01-2008, 08:31 AM
 
Location: Phoenix metro
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Oops, I forgot I had posted this thread. lol

Thanks Nitram!

I have spots on the lower areas of my roadkill cactus, do you know what these might be?
http://i41.photobucket.com/albums/e295/envenomate/Crubescensbumps.jpg (broken link)
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Old 08-01-2008, 08:43 AM
 
Location: Phoenix metro
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Also, do you know what this blemish might be?
http://i41.photobucket.com/albums/e295/envenomate/pics019.jpg (broken link)
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Old 08-01-2008, 03:17 PM
 
Location: Out there somewhere...
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Photo#1 is scale, looks to be 'cochineal scale', photo #2 appears to be water rot.
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Old 08-01-2008, 03:47 PM
 
Location: Phoenix metro
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So I take it Ive watered the Mammarillia gracilis too much? And what is the rot from on the roadkill? Too much water? Ive only watered it twice in a few months, I dont think Ive watered it too much, have I? Anyway to cure it?
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Old 08-01-2008, 04:09 PM
 
Location: Out there somewhere...
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All you have to do is overwater way too much one time to start a rot process in cacti. Especially if you have heavy soil, not fast draining sandy type that cacti like. The only cure is to wait and see if it heals itself. In your area, especially with humidity you may only need to water once every 2-3 months. Cacti can go a long time between waterings. If the air is dry, low humidity, you may want to water once a month only in the growing season of summer. Most people I know back east collecting cacti rarely water their cacti in the humid areas.
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Old 08-02-2008, 10:50 AM
 
Location: Phoenix metro
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Well, some days are dry (ie today), other days quite humid. Theyre only outside about 2-3 hours a day in teh sun, the other times theyre inside in the sun near the window.
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Old 08-02-2008, 04:40 PM
 
Location: Out there somewhere...
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They should have indirect filtered sun for at least 6 hours. 8 is better. Disturbing them by changing their direction or placement everyday is detrimental to their growth.
The plants absorb humidity, just like in their natural habitat, for survival. Humans adding water unecessarily can actually do more harm than good. I have some cacti I haven't touched in years. They are happy campers.
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Old 08-03-2008, 11:09 AM
 
Location: Phoenix metro
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So simlply leaving them by a window where theyre not in direct sunlight for 6-8 hours a day is best"? How much direct sunlight is recommended?

Also, what about that "cochineal rot"? Is that normal? How can I curb it?
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