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Cactus/Dead Cactus.

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Question

Plant Base
Hi All.

I really hope you can help me. I have had my cactus for about two years now and it has been fine without problems. I noticed today that the plant appeared drooping and slightly yellow one side, when I turned it round to take a better look the whole stem was yellow and brittle the other side. And when I tried to reposition the plant the stem snapped, have removed it now as is clearly dead.
Not sure how long it has been like this or what has gone wrong.
I have managed to salvage three of the branches which I hope to replant. I have attached pictures to help if possible.  

Answer

Hi,

First, that's not a cactus, it's a succulent, I believe a Euphorbia. The spines aren't cactus spines. It looks likes it's gotten some fungus and sometimes they just desiccate the roots and leaves.  The best thing to do is what you've already done - replant the branches you've cut off.  make sure there is no evidence of the rot.  Cut to above that white stuff until you see green, healthy tissue.  Let that callous, repot and mist till it roots.

The soil doesn't look too good either.  You need to dispose of it.  Don't reuse it in anyway.  When the new plants root you can put them all in one pot with well draining soil or keep separate.  Remember that they like to be crowded.  I think even when your plant was healthy your pot was too big.

When you throw this plant out, look at the roots so you know what roots shouldn't look like and see if there's water at the bottom of the pot.

Read up on succulents.  They care is slightly different than the care of cactus.

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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