This is a brilliant article! Exactly what I was looking for. Thanks so much Spence for sharing it. Not sure whether we have him on our forum ..

I am based in Mumbai, India and recently got few cactus. The weather here is very tropical, we have 3 months of heavy rain (Jun to Aug). 2 months of very hot and dry months. Then 3 months of dry season with relatively cooler temperatures and from Feb to May, very hot season. Since it's a tropical pl...

Thanks a lot Spence for the detailed ID of the plant. It will be sad if it doesn't bloom though. At present, few of my plants have bloomed, mainly Gymnocalcyium and Echinopsis. But I guess since I bought these plants very recently from online seller who is based out in northern part of India where w...

Hi all,

I have this Astrophytum myriostigma var Nudum since last few months. There are some white patches on this which is not growing and hard. Is this because of sunburn? Anything to be worried about?

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Thanks guys!! Really glad to see your replies. I took a chance to water it to see if firmness returns, and was happy to see that a bit of firmness has returned. I guess with regular watering, it will return to its full firmness and as George mentioned, it may return to full shape in growing period. ...

Thanks a lot for the reply. I actually bought this cactus online so the seller actually sent bare root which might have caused this issue. By hydroponics you mean growing root in water? May I ask how long you kept the plant dried which caused this problem. My biggest conundrum with cactus care is wa...

Hi all, I am new to cactus growing. I live in Mumbai, India. Recently, in one of my cactus Mammilaria Unpico, I observed that it is not firm (rather it's spongy). Since, I watered it few days ago, my immediate concern was rot, so I took it out of wet pot, roots looked fine to me (pics attached). Non...