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Forgive me Father, for I have sinned!

A confession.
When I was but a young(er) and (more) foolish gardener, I decided to plant something I felt was pretty. Houttynia...
Today I fired the first salvo in what I suspect will be a long and arduous campaign, every bit I can find has been dug up with as much root as I can manage removed.
Next step is, I believe to splat as much of it as I can with glyphosate when it begins a counterattack? Will it die for that or am I stuck just spending years chopping off every tip as it emerges to eventually kill it by attrition?
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Be strong Steve - you will win.
Think the weedkiller and perseverance will work. If it's any support - I once managed to kill Russian Vine. Quite proud of that achievement
I live in west central Scotland - not where that photo is...
Oft times I am tempted by one of those little flame thrower things...
Not the standard Agent Orange flinging ones that I always suggest for leylandii!
Oh dear. Some one donated one to my plant sale which no one bought. It's sitting in a pot in my cold frame. Perhaps I'll forget to water it.
Seems the people at your plant sale were wiser than I!
I live in west central Scotland - not where that photo is...
Most of the damed stuff has reverted to green!
I had two small pieces of this plant but they both disappeared under creeping buttercup
Is that why I have tennis elbow? But it's coming back again damn stuff.
I planted houttynia on the edges of my natural pond, hoping it would spread and cover the ground. It was killed off by its first winter but, naturally, the creeping buttercup, bindweed, couch grass, nettles, docks, thistles and bindweed live on and the flag iris someone kindly donated is now busy terraforming the pond.
Beware of kind gifts and beware of trying to convert centuries old cow pasture into a garden right next to the bigger pasture that's now classified as a site of special interest for all the native plants and critters it harbours. It's such a fertile bed for all manner of undesirable thugs that won't take a hint.