Q4 Plus Herbicide jug (2.5 gal) for_use_in_Ornamentals grown in Commercial or Research Greenhouses| Shadehouses and Nurseries Canada thistle

Canada thistle

Spider mites

and recommends it for athletic fields

✓ All-in-one post-emergent control of crabgrass

conifer reforestation sites

Q4 Plus Herbicide jug (2.5 gal) for_use_in_Ornamentals grown in Commercial or Research Greenhouses| Shadehouses and Nurseries Canada thistleQ4 Plus Turf Herbicide Q4 Plus Turf Herbicide is a selective post emergent herbicide formulated with four active ingredients to control both grassy and broadleaf weeds in established turfgrass. Powered by quinclorac, sulfentrazone, 2,4 D, and dicamba, Q4 Plus provides multiple modes of action for professional turf weed control in cool season turf and labeled warm season turfgrass. Q4 Plus is especially useful for difficult summer and fall weed control