Q.I Have Sticky Curling Leaves On My Flowering Cherry Tree And Have Noticed Sticky Residue On A Clematis
I pulled off a clump of sticky new leaves on my cherry tree last week and noticed black fly. I sprayed the tree then but I noticed this morning that more leaves are curling and sticky. I am new to gardening and am not sure how to contain this disease.
Certified GKH Gardening Expert
It sounds like black cherry aphids and this article tells you what to do: