fig needs good trim. Books say May, but 13 year bush need good trim. When & how?
Live in Cornwall & fig produces very well. Against fence, but space limited.
Certified GKH Gardening Expert
It's best to avoid heavy pruning, any more than you have to. Extreme pruning creates a vigorous growth response in spring, rampant growth of multiple sprouts, and creates more maintenance in the long run. Best Management Practices for tree pruning is to reduce height and spread by no more than 25%. Remove deadwood, thin and shape as needed.
This article has some more tips: