COLLARD Greens Leaves Turn Black Underneath

Question

How to treat or prevent this. I ended up throwing so many leaves out. ruined so I decided to replant new ones.

Answer 1

It may be black spot fungus or sooty mold from aphids. Here are tips for best culture of collard greens and when to plant.

https://www.gardeningknowhow.com/plant-problems/disease/black-spot-fungus.htm

https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm

https://www.gardeningknowhow.com/edible/vegetables/greens/growing-collard-greens.htm