black leaves

I just picked up my first bougainvillea from a nursery about a month ago. It has been doing alright but has lost most of the bracts since I got it which I expected. I have added bougain to the top of the soil and have been trying to water it only when the pot feels light or the leaves start to...

Hello! I’m completely new to bonsai but I’ve done a lot of reading on Suzuki bonsai. I’ve had it for about 3-4 weeks now. I live in Chicago so that’s zone 6. I’ve been having issues with leaves falling off, originally my plant was in pretty harsh morning-early afternoon sunshine so I got a...

Hi Everyone, I recently got a Chinese Elm and some of these leaves go black about a little black every day, I mist it maybe 3 to 4 times a day. Is this too much?? I had red spider mites but hand squished them and then damped the tree and left it outside overnight and all the bugs seem to be...

Here is a picture of two of the leaves of my 26 year old Ficus. I cut them off when I saw them. - There is some blackish/grey discolouration on both leaves. - On the bottom of the smaller leaf, there are also some yellow crystal-like structures in the same place as the area of discolouration...