Also known as Goutweed, this is a popular variegated groundcover that quickly forms a dense, weed-proof carpet, even under difficult growing conditions. A good choice for sites where nothing else seems to succeed. Site carefully, this is difficult to eradicate once established, so don't let this loose in the border! Especially nice in containers. Flower stems may be removed to keep the patch tidy looking, as well as to prevent self-seeding. Any all-green shoots should be sprayed with a non-selective weed killer as soon as they are noticed, since they may become particularly invasive.