Can you help? One year ago I planted eight oleanders. They flowered last summer but this year after a bad winter most of them look very sad with yellow leaves. What can I do to bring them back around, and what is the cause of their condition?
Certified GKH Gardening Expert
This article should help with that: https://www.gardeningknowhow.com/plant-problems/environmental/tips-for-saving-cold-damaged-plants.htm