 |
TAN SPOTS (Occurs infrequently) Tan spots from interior towards edge of leaf. Often papery. |
 |
WHITE TO GRAYISH SPOTS (Occurs occasionally) Large spots with brown borders. Leaf tissue may drop out. Tiny black fungal fruiting bodies on spot look like pepper. |
 |
YELLOW RING OR LINE PATTERNS (Occurs occasionally) Yellow & green mosaic, ring spots, or line patterns on leaves. Leaves may be stunted, curled, or distorted. Photo by Janna Beckerman |
|
SMALL BROWN SPOTS Small brown spots scattered on leaves. In moist conditions brown to grey fuzz may appear. |
 |
FOLIAR NEMATODES (Occurs occasionally) Leaves have patches or wedge-shaped areas of dead tissue. Photo by Janna Beckerman. |
 |
OTHER PROBLEMS ON FOLIAGE Some foliage problems on hostas may be caused by too much sun and/or drought stress. |