I'm a bit surprised that no one has mentioned my favorite weapon against
thistles & other "sticker weeds" in the iris patch -- a pair of needle-nose
pliers. Gets the roots without disturbing the iris -- and protects hands from
noxious spines better than leather gloves.
Sharon McAllister (email@example.com)
Southern New Mexico -- where native plants (aka "weeds") stink, stick, or sting