disease

I bought an “Ondae” cultivar Japanese Black Pine in February and repotted it in March. It seemed to be doing well, but over the summer, I have found what seems to be needle cast on its needles. Tips of some needles are turning brown at the tips and towards the ends, some needles are turning...

Chinese elm by cole morton posted Aug 31, 2017 at 12:53 AM I recently purhased this Chinese Elm. These black lumps span the entire length of the trunk. If anyone could tell me what these are I would be very appreciative, as I have found nothing online so far

I got this tree in April or May, when it was fully in leaf, so I didn't want to repot it then. We've had a wet summer so far, but I've been careful to avoid over-watering. I think. Within the last ten days, leaves have started turning real sick looking overnight. Seriously! I thought it must be...

Hello all, I noticed something was wrong with my Jacqueline Hillier Elm this morning when watering. Some of it's leaves are extremely dark green and brittle. I would say about 30 percent of older leaves towards the interior seem to have this issue. I touched a few of them and they...

This is my first bonsai. It's a chinese elm and I grew it from a seed. Always indoors, watered daily with a little diluted fertilizer, mist it sometimes. Southern Alberta. It seems healthy growing lots but all a sudden I notice one of the newer leaves has a brown tip? and the older leaves have...

Anyone know what this is? I was going to try to use Phyton 35 on it and see if that takes care of it. It's been on several small shoots (that are now removed) and I saw this today. The elm is a chinese elm (although others have claimed it might be an american elm).

Is this bad? Ive never seen it before. When I rub it off it looks like it has been eating the bark. Do I burn the tree?

Hello Everyone! So, I currently live in San Diego but went back home for vacation in LA for a while and took my bonsai with me. About a week after my return to San Diego, I began to notice weird brown spots on the new leaves of my bonsai. They could be wiped of with my nail but I started to...