I have a three year old globe willow tree that was doing just fine. This year the tree has yellow and very few leaves. We have watered it two to three times a week and applied fertilizer but there is no improvement. The tree is in desert calcareous soil type. What can I do to make it produce more leaves?
Globe Willow Tree
Certified GKH Gardening Expert
Definitely keep it watered, as willows tend to like being, constantly moist.
Now, I would not fertilize it very often at all. Adding dolomite lime will help keep the areas pH buffered, but adding that much fertilizer will likely cause the leaf drop to get worse. I would have to guess that it just needs as much water as possible. Keep the area moist.
Here is something that will help you:http://aces.nmsu.edu/ces/yard/2008/080208.html