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The metal weed scraper on a stick from BnQ is pretty good too :)
Huh, mine only sit in leftover sandy areas and dried out cracked clay, I have never seem them actually build anything.
My roses sit in a mix of compost and damp clay which they love, is the soil around yours very dry? My mum has dry soil which they don't love.
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metal weed scraper on a stick
The only problem I find with those is plants with very long roots, or small paving cracks.
is the soil around yours very dry?
Fairly. It's a mounded bed. But overall it's not a dry garden. For both my nice roses they form earth about 30cm the way up and cause a split. Normally I blast off with a hoze, but right now don't want more water or to risk introducing an infection.
For plant stuff a steamer is a good shout. Or boiling water.
The thing with the ants is at the foot of my rose they build an external nest around the trunk and then the trunk gets all fucked up, so I'm not convinced they are always harmless.
As I said I don't do it willy nilly. They have plenty of other places they can go, just not two particular plants I like which are currently struggling for survival.