Agree with @bertrand-mabel and @Skandi. It’s always full of bees and other pollinators and is a lovely shade of blue. If you cut the flower stems back when finished it will reduce the risk of it self seeding and you’ll get another flush of flowers, we do this two or three times each year. Yes it is vigorous and will self-seed around if you let it but is great ground cover and easily smothers other weeds. We had loads of it when we moved in here but have got it under control and now enjoy it in a couple of areas which are currently a sea of blue flowers at the moment.
If you have a garden and a library, you have everything you need.”—Marcus Tullius Cicero East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham
When I moved in to my home, the garden was full of this! It puts down a tap root so weed with care to ensure you get all of it. The bees do love it though, so it has value.
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Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Yes it is vigorous and will self-seed around if you let it but is great ground cover and easily smothers other weeds. We had loads of it when we moved in here but have got it under control and now enjoy it in a couple of areas which are currently a sea of blue flowers at the moment.
East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham