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.