Bigleaf hydrangeas are versatile garden shrubs as long as they're grown ... in the fall won't harm these buds. You can even prune them in early spring before buds form. Bigleaf hydrangeas, however ...
HABIT Small, medium or large shrubs ... spring. PROPAGATION Hardwood cuttings in winter, softwood cuttings in summer, or from seed. POTENTIAL PROBLEMS Powdery mildew can be an issue. Prune ...
but do not prune bigleaf and oakleaf hydrangeas, as you risk cutting off the next season’s blooms. In spring, give potted plants a jump start on the growing season by moving them to a sunny room ...