Black eyed susan leaf black/brown spots

Question

my plants look lush and green but get dark brown spots on the leaves. plants bloom well, but the leaves turn black/brown. any suggestion of how to treat this would be helpful

Answer 1

This is a common, especially in humid weather.

The link below will help you.

https://www.gardeningknowhow.com/ornamental/flowers/black-eyed-susan/rudbeckia-leaf-spot.htm