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I know this plant as convolvulus as well as bindweed. There are very many cultivated varieties which are well worth growing. I do agree though the wild version is very invasive and needs controlling a bit.
Get it checked out, those leaves behind look like Japanese knotweed...😮😮
Bindweed has the same heart shaped leaves as Japanese Knotweed pauline.....I was thinking the same when Dex pointed it out...
Quote:
Calystegia sepium (bellbind or hedge bindweed) climbs with strong twining stems, has large heart-shaped leaves and large white trumpet flowers. It is most often seen as a hedgerow plant or weed, scrambling over and often smothering hedges and shrubs of all sizes and even smaller ornamental trees.