My hibiscus leaves are getting dark blotch-like discolorations beginning on the undersides of the leaves, then turn yellow. What is this from, and how can I correct it? It's in a pot outside that drains well, and in full sun with quite a few beautiful blooms. It is also well watered.
Sounds like your hibiscus needs feeding. Also be careful you can overwater
Sounds as if your hibiscus needs feeding. They also need slightly alkaline soil, Be careful as you can overwater plants just as easily as underwater. Good luck. Jan Grantham UK
I have 2 beautiful hibiscus plants that also suffered from a similar situation when I first bought them. They seem to be a rather temperamental plant and get "upset' when conditions aren't ideal. I planted mine in my yard and have been mulching with coffee grounds. They both have done quite well since then and have 5 or more blooms per day!
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