My variegated miniature holly tree has dropped all its leaves. Why? It has been quite happy in the garden for 4/5 years, and it seems to have happened virtually over night.
Variegated Miniature Holly Tree Has Dropped All Its Leaves
Certified GKH Gardening Expert
There are many reasons this can happen, but the most common is a water issue. Either the plant gets too mach water or too little water. Have you had a change in how much water is available to the plant? Was it perhaps overwatered at some point this year or are you going through a drought?