Mandevilla Plants

What Causes Yellow Leaves on Mandevilla?


maxipoo added on July 1, 2011 | Answered

The leaves are very yellow, and most have small black spots on them. The plant was transplanted before the blooming season. I fertilized lightly, sprayed with a soap and water solution, but the problem is worse than ever. Plant is two years old.


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ANSWERS
Heather
Certified GKH Gardening Expert
Answered on July 6, 2011

It sounds like a fungus, likely black spot. Treat the plant with a fungicide and this should clear up the problem.

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