
Started this project late last Autumn. It was previously just lawn. I made a bit of a mistake with the shelf in the pond - I think I made it too deep so the soil slips in several places. There's native wildflowers and meadow grasses around the pond and marginal plants at the edge - I hope they'll do OK they have full sun until the afternoon then the house shades them. There's branches behind and under the bench. Need some oxygenating plants, and for the frogbit to fill out. Any ideas to improve the area would be gratefully received. I have some wildlife in the pond and I'm sure more will arrive but one thing I'm not keen on is this beast of a plant:

It doesn't fit with the vision I had of the area, can anyone identify it and tell me it's a wonderful plant before I rip it out? It's about half a metre tall and wide. Thanks.
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