it looks like a bug, leaf miner. The plant isn't in the best situation to promote good health and growth. Unlike most house plants, cannabis is basically an outdoor plant and likes lots more light, quality soil or supplemental nutrition and proper pH.
Shovelhandle Reviewed by Shovelhandle on . leaves became white and dry..what to do? hi i'm a first time grower,I planted a few plants in my garden about a month back. they looked great untill a few days ago when the leaves started showing white spots on them, and the stems changed from green to red-like color (a picture is attached) mainly on the lower parts of the plant. what do you think is causing that? i'm using regular (bought) soil, no nutrition, don't know what the PH is. the plants get about 8 hours of sunlight a day, and plenty of water. (i live in a desert-like Rating: 5