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What climber/creeper plant with very thick roots is this?

Hello, I am struggling with a very invasive plant in my garden. Does anyone know what plant this is/and is maybe also struggling with it in their garden? It is climbing everywhere, grows very very fast and has/develops very thick roots that are damaging my walls. It looks like wisteria but has not blossomed in 6 years so I doubt that is what it is. If anyone knows what it is, I'd be grateful. Thank you a lot in advance!
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Hi @svebe

Thanks for your comment about what this super fast climbing plant is. 

The quick answer is: it’s a Wisteria.

They are incredibly fast climbers once established but with some pruning and harsh care are wonderful plants. Granted yours has gone a bit nuts. I think it’s time to hard prune back the side shoots and tendrils that have turned woody and are causing drama.

Then it’s a case of following my easy Wisteria pruning guide and you’ll have gorgeous flowers in no time!

Let us know how you get on.

Lee -The Garden Ninja  

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