I have a 4-year old purple wisteria on a trellis attached to a block wall. This summer I've noticed shoots coming up a couple feet from the main "trunk." Is it enough to clip these just below the surface, or should I do more?
I've heard horror stories about wisterias knocking over fences, but didn't know if controlling the roots was as important as keeping the rest of it pruned.
Should I be worried about Wisteria roots?
*I wouldn't worry about fences. One could hope that it is'nt planted close to your house as the roots will go for water. They have been known to go though foundations and break water pipes.
Reply:Wisteria vines will take over if you don't watch those pesky new growth shoots. You are doing the best thing that you can. Here in South Ga. you can see what will happen when left untended. There are hundreds of old home sights where these vines are up in the tops of trees. You shouldn't be in any danger of this happening if you continue to clip those shoots off under the ground. Remember that the roots can travel a pretty good distance under your yard. They shouldn't be a problem unless they become exposed. Then they will sprout new shoots.
Reply:Cut away as much as you need, you can't kill this plant once established as long as you don't injure the main trunk
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