What Is On The Leaves Of The Black-eyed Susan?

Small purplish spot on leaves with small yellow raised area.

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1 Comment To "What Is On The Leaves Of The Black-eyed Susan?"

#1 Comment By BushDoctor On 08/31/2021 @ 1:13 pm

Unfortunately, it looks bacterial! This can happen with moist soils, as this plant prefers dry locations as. It is quite drought tolerant. It will not tolerate "wet feet" very well. From here, you may try a fungicide, and remove as much infected growth as possible.

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm ^[1]

https://www.gardeningknowhow.com/ornamental/flowers/black-eyed-susan/black-eyed-susan-flower.htm ^[2]

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