23+ Brown Spots On Hydrangea Stems. Endless summer hydrangea grow in u.s. Aphids do not spread this disease.
Hydrangea paniculata and hydrangea arborescens bloom on new wood and should be pruned in late winter. My hydrangeas leaves have alot of brown spots over them, young plant flowering well. Hydrangeas are supposed to be forever gorgeous!
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Many leaves have fallen off and i'm most worried about the brown stems hydrangeas really like some humidity so if you have a shady place outside, it might be happier there. If your hydrangea has brown spots or rings on its leaves, there is a good chance that it is infected with hydrangea ringspot virus. Ditto if your flowers wilt during the day and. Pruning hydrangeas can help them retain a pretty shape and produce beautiful blooms year after year.