You're going to need to fill-out the Troubleshooting Form at the top of the Plant Problems section. Copy and paste the form, and give all the answers asked for, if they apply. Pictures would help, too.
Rusty Trichome Reviewed by Rusty Trichome on . HELP... Yellow Leaf Edges! Potassium deficiency? So i noticed the first signs of DRAMATIC leaf colour change yesterday on two of my Mystery Seed/Juicy G plants. My inital reaction was that the 42w CFL bulbs i am using are too close to the plants and burning the leaves, but this discolouration effect only happened on 2 of my 8 plants and of those two only one or two lower leaves were affected. To compensate i raised the lights another 4" from the plants, but when i returned today the yellowing edges have carried to another set of lower Rating: 5