Q.Verticillium?
Please find attached (2) photo’s of my periwinkle plants. Is what I’m seeing Verticillium? I’ve already lost (5) of these plants to the same disease. Thanks !

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on November 27, 2020
It appears to be. Either that or a close relative. This isn't so easily treated, unfortunately.
This article will help:
https://www.gardeningknowhow.com/plant-problems/disease/verticillium-wilt-treatment.htm
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