Thanks everyone. I think I'll try a spray like Jackalope has suggested (and yes it'll be a big job but I really don't want to lose my first crop). I'll need a step ladder for sure.
Hey Folks, first time grower here in southern Maine. I have 3 very large plants, 9-12 feet tall, growing outdoors in the garden (unknown strain, seed from Jamaica). Looks like I have powdery mildew on the leaves (see pic). Flowers and buds are developing nicely and I hope to harvest in about 2...