If you have only 1 cactus, water it with distilled water you can get at your grocery store. If you're able to store rainwater, that's even better. Do you have a rain barrel or can you get one? Yes, I have a small rain barrel and this could give me enough water for my cactus. I do have more than 1 c...

Hi Steve and Jerry, Thanks a lot for your valuable information. I learned a lot from your tips. Looks like growing cactus is not that easy and requires a bit more than just loving cactus and plants :D Sorry for my late reply, I was on holiday for few days. Nevertheless, the cactus still looks the sa...

Dear Fred and Steve, Thanks a lot for your kind help. I have put my city on my profile (I live in the North of Germany, which means that the summer is quite nice = 20-30 degree celsius, with at lot of sun light (sunrise 5 am and sunset 9.5pm). But in Winter it's cold (-5 to 10 degree celsius I would...

Hello, I have recently noticed that my cactus is having some white/beige spots/patches on his whole body. It is something normal or is it an infection? What can I do? It survived quite well considering that I have saved it from a supermarket 2 years ago. It was half rotten, which is why he has some ...