Q.Rudbeckia
Something is eating the petals.
Downtoearthdigs
Answered on July 5, 2015
Something has been after mine too! I have found aphids on my plants, but leaf spot can be an issue also.
Treat with Neem Oil, as it works as both a fungicide and insecticide.
https://www.gardeningknowhow.com/ornamental/flowers/black-eyed-susan/rudbeckia-leaf-spot.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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