"Prune your wisteria once in the summer (July/August ... will encourage better flowering and those buds will form flowering spurs. For timing, choose a milder, dry day to avoid frost damage ...

This removes the majority of the vine’s growth from the previous year. Unlike the other major vine training system, cane pruning, spur pruning can be mechanized, and is generally preferred in warmer ...

Pruning wisteria can be tricky, and even experienced gardeners can be unsure. It flowers on the shorter side shoots, so the main job in winter is to remove any "long, whippy growth" left over from ...

If you're not sure when a climber or wall shrub is best pruned, a useful guide is to prune spring and early ... congested or excessively long spurs to keep growth close to the supports.