It could be overwatering. If the roots get too much water it can choke them. This prevents the roots from feeding the mandevilla properly, causing the leaves to turn yellow.
Somehow my house and garden got tiny gnats that killed my fuchsia plant and fly everywhere. I have tried ALL the Web recommendations - soap and oil dishes, sand in th...
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Growing our first garlic, should we wait until the leaves are drying out before we pick it? Husband picked first one today along with our first potatoes.
Hi everyone, I have mice in my garden destroying my vegetables and I have also noticed them in the barn and shed. Please can someone tell me how to prevent them from ...
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It was lush and beautiful when I bought it. I read online to cut down the bare stalks and they would leaf out. Not so, at least not yet. Where are my leaves?
https://www.gardeningknowhow.com/ornamental/vines/mandevilla/yellow-leaves-on-mandevilla.htm
It could be overwatering. If the roots get too much water it can choke them. This prevents the roots from feeding the mandevilla properly, causing the leaves to turn yellow.