In a message dated 4/25/99 1:57:42 PM Eastern Daylight Time, KrisP64@aol.com writes: << My yarrow is a thug! >> Kris P I've never had those kinds of problems with yarrow-actually, they are one of my favorite plants. Mine are in full sun all day....never had a problem with them. Mints are another story..I have one that I really have to keep under control, otherwise the whole bed would be nothing but mint. Janice CT zone 6