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Black Eyed Susans

Q.Why Does My Black-eyed Susan Have No Petals?

Zone 30135 | flowers1234 added on July 3, 2020 | Answered

They have been beautiful for several years. This year the plants look the same but the flowers have now petals.

A.Answers to this queston: Add Answer
BushDoctor
Certified GKH Gardening Expert
Answered on July 6, 2020

This could be a case of too much nitrogen and not enough phosphorus and potassium.

Make sure to test your soil for deficiencies and pH swings, which can cause deformed blooms.

I don't see any signs of disease, so it is likely that the nutrient ratios are off.

These articles will help:

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm

https://www.gardeningknowhow.com/ornamental/flowers/black-eyed-susan/black-eyed-susan-flower.htm

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