Question
Please can you tell me if you can cut off the new shoots or runner on a wisteria plant? Also why hasn't it flowered after four years?
Pat
Answer
Yes, you can remove the long, stringy runners and looping new growth. It is the older wood of the Wisteria that forms flowering spurs. It is not unusual for young Wisteria to be vegetative only. It can sometimes take up to ten years for a small, 1 liter size plant to reach maturity and bloom. This is why nurseries often sell larger, though more costly plants, grafted with flowering wood.
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