Unlike other vines that either grab on with tendrils or need to be affixed to a structure, climbing hydrangea attaches with aerial rootlets on its stems.
40+ Hydrangea Stems Turning Black. A fungal infection and winter damage could explain problems at the end of the tips but turning black sounds a bit rare. However the black stems are troubling, because this suggests a plant that's dying, rather than a mildew problem caused by dry conditions.
How To Identify And Treat Hydrangea Diseases Gardener S Path from gardenerspath.com
Mophead hydrangeas don't need to be pruned back unless you want to control their size. Turn off use of cookies for targeted advertising on this website. Black spots on hydrangea leaves.
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Black rot, a fungal disease characterized by soft, rotted areas that begin on orchid. When pruning hydrangea, care should be taken not to tear the stems, which can damage the plant. Of course, seeing such magnificent blooms. Cutting off about 1/3 of the oldest stems will give you a fuller pruning hydrangea care tip:
