P.S. I also sent the photos to the RHS, and they have now replied confirming the oedema diagnosis.
- cowshill

Thanks, John! Your info seems to hit the nail on the head. I'll try to water more judiciously, but getting the right amount of water into growbags has always been the most problematical part of using them. Last year I let them get too dry a few times, and I think this cut into my crop. I just need t...

Thanks for the input. Unfortunately, growing them outdoors is not an option, as I am in an exposed location high in the north Pennines where the wind would quickly rip them to shreds no matter how well they were tied in. They are the green variety. Also this is the third year I have grown them from ...

Can anyone identify and give me any advice on what is attacking my tomatillo plants? Pictures below. The tomatillos are being grown in a small greenhouse in grow bags. The problem begins as a few small dots and slight yellowing on the leaves and fairly quickly progresses to the stage shown in the ph...