Borage is an annual herb which self seeds, so once you have it, you have it! it is very pretty and bees love it. I mainly use it as an addition to a Pimms cocktail. float the flowers...for add them to a salad to impress your friends! Very trendy and cheffy! They have a cucumber flavour. There is a lovely white version in the shade garden in front of the shed. If you want to get rid of it simply weed it out or remove the flower stems before the seeds form.