Cactus/gymnocalycium mihanovichii rotting?
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Question
So I got a cactus of the gymnocalycium mihanovichii sort and I think perhaps I may have overwatered this poor fellow. I watered it a little every time the soil ran dry, just enough to keep it moist. Didn't want my little cactus going thirsty. As it turns out, it seems a little thirst is what a cactus may need, as now it seems to have caught some sort of rot from the roots (perhaps fungal?). I've attached a picture so you can see for yourself. What do you think? Can it be saved? I took it out of the soil to dry out a bit, just in case it IS a fungus problem at the roots.
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Dear Brace,
Oh dear! That plant is beyond salvation and yes, it is fungal or bacterial rot. Cactus thrive on neglect especially when it comes to water. When the soil is dry, drench it and let it dry out again. When in doubt, don't water at all. Your soil looks heavy as well. Cactus need a well draining soil for the most part. I use a 2:2:1 mix of peat, turface or sand, and sterilized soil. If it's any consolation these grafts tend to have a short life anyway.
Don't give up. Get a new cactus from a good grower and the proper soil and try again. You'll get the hang of it.
If you really have a hard time telling if the soil is totally dry, get a wood skewer that's used for shiska-bob, cut it on a slant to a bit longer than the depth of the pot and check that first. Often what's dry on top is moist on the bottom. It will give you a guide.
maureen
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Maureen
Expertise
I can answer questions regarding the care and propagation of cactus and succulents and would actually group these together as folks often mistake one for the other and often their care is quite different. I also have a cold hardy cactus and succulent garden that has been quite successful. The subject in regard to classification of type is enormous and I wouldn't be able to answer all questions by any means. It is really IMPORTANT TO INCLUDE A PHOTO if at all possible and LET ME KNOW WHERE YOU ARE FROM, especially in terms of climate.
Experience
I have learned by reading books, by trial and error and by consulting with folks with much more knowledge. I have primarily grown C&S for the last 20 years.
Organizations
Cactus and Succulent Society of Massachusetts.
Education/Credentials
No formal training. See experience.
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