Yellow Leaves on Tomato Plants Home › Forums › Organic-Gardening Questions › Pests and Diseases › Yellow Leaves on Tomato Plants This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 8 years, 6 months ago. Viewing 1 post (of 1 total) Author Posts July 5, 2008 at 4:49 pm #28130 Anonymous I’ve the same thing happening on one of my tomato. I think it might be early blight. In any case I’ve just been pinching off the yellowing leaves and trashing them. I don’t think we need diseased leaves in our community garden’s compost pile. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.