Do my tomato plants have blight?
My tomato plants look fantastic and are a little over 4 feet tall but down at the base of the plants the leaves are yellow with dark spots. Any idea what is causing this? Is it blight? What can I do? Thank you.
Here's an article with the information you're looking for: https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blight.htm