What Causes Yellow Leaves on Mandevilla?

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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1 Comment To "What Causes Yellow Leaves on Mandevilla?"

#1 Comment By Heather On 07/06/2011 @ 7:56 am

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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