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Hibiscus Plants

Q.Brown Spots On Hibiscus Leaves

Zone 34667 | Anonymous added on March 17, 2021 | Answered

what is causing this and how to treat?

GKH_Susan

Certified GKH Gardening Expert

Answered on March 18, 2021

This could be fertilizer burn from applying too much fertilizer. Try backing off the fertilizer applications. It also can be caused by dry soil. Fungal leaf spot is another possibility. Here is more:

https://www.gardeningknowhow.com/plant-problems/disease/plant-leaf-spots.htm

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Q.Brown Spots On Hibiscus Leaves

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