Posted 4/6/2013 15:03 (#3016566 - in reply to #20986) Subject: Re: Thistles blooming--spray vs shred
NW Central Ohio
Advice in Ohio is to spray them in the "tight bud" stage. I use Crossbow...and sometimes add some dicamba. If you spray them early with some Curtail (2-4,D + Stinger) and then come back with Crossbow...I think you could pretty much wipe 'em out.