Table 7.5.1. Registered chemical control products for broadleaf weeds in New York State

Weed(s)	Strategy¹	Common Name
Annual broadleaf weeds (e.g. Chickweeds, Henbit, Deadnettle, Knotweed, Oxalis, Spurge, Annual speedwells)	PRE	pendimethalin
	PRE	mesotrione³
	PRE	dithiopyr²
	PRE	benefin plus trifluralin
	PRE	prodiamine
	POST	various two and three way combinations of 2,4-D or MCPA containing products
	POST	bromoxynil
	POST	iron HEDTA
	POST	topramezone
	POST	sulfentrazone⁴
Chickweed	POST	dicamba
	POST	MCPP
	POST	topramezone
	POST	combination of products containing MCPP and dicamba, or clopyralid + triclopyr, or 2,4-D + triclopyr
Clover	POST	clopyralid
	POST	fluroxypyr
	POST	dicamba
	POST	topramezone
	POST	quinclorac⁵
	POST	combinations of herbicides containing clopyralid or dicamba, or 2,4-D + triclopyr
Common perennial broadleaf weeds (e.g. dandelion, plantain)	POST	various two and three way combinations with triclopyr
	PRE	mesotrione³
	POST	clopyralid⁴
	POST	iron HEDTA
	POST	topramezone
	POST	triclopyr plus clopyralid⁴
	POST	fluroxypyr⁴
	POST	sulfentrazone⁴
	POST	various two and three way combinations with carfentrazone
Difficult to control broadleaf weeds (e.g. violets, ground ivy, etc.)	POST	carfentrazone + MCPA +MCPP + dicamba
	POST	2,4-D plus triclopyr
Silvery thread moss	POST	carfentrazone
	POST	copper hydroxide + mancozeb
	POST	ferrous sulfate monohydrate
	POST	cryptocidal soaps
¹ Strategy code: PRE= preemergence control; EPO= early postemergence (3-5 leaf stage); POST= postemergence; NSPOST= nonselective postemergence control. ² Product use restrictions when used on Long Island. See Table 7.3.3. ³ Not for use on Long Island, unless sold as Tenacity or Callisto. ⁴ Not for use on Long Island. ⁵ Spot treatment only.