win odonoghue asked 15 years ago
When and how can I prune overgrown hydrangeas?
1 Answers
Gerry Daly Staff answered 7 years ago
If they are hugely overgrown, cut them to growund level in March. The flowering will be lost for a year.
In subsquent years, thin the number of shoots by one shoot in five cut to ground level each year.
