Why is my vinca shriveling up?
Why is my vinca shriveling up? Vincas, or periwinkles, can be infected with a fungal disease called aerial phytophthora. Some varieties seem more prone to this common fungus than others. Symptoms of aerial phytophthora include dull, gray, shriveled foliage and deterioration of the upper stems. How do you revive a vinca? Sick Vinca in a growing bedStop watering regularly. If you have a thick layer of mulch, remove it to let soil dry out faster.Increase drainage by aerating the soil: sink a steel bar or tomato stake a foot deep and pull it out. Remove infected plants. How often should...