Q4 Plus Herbicide
For Grassy & Broadleaf Weeds
With four powerful active ingredients, Q4® Plus Turf Herbicide for Grassy & Broadleaf Weeds offers a single product option to control crabgrass and yellow nutsedge, as well as tough broadleaf weeds like clover and chickweed. Q4 Plus is highly selective on cool-season and listed warm-season turfgrasses. It offers rapid visual response and has a one-week reseeding interval for most listed turf.
Mode of Action
Lipid Synthesis Inhibitors, Growth Regulators
Site of Action
(1) ACCase Inhibitor, (4) Specific site unknown
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Maximum Yearly Limits
The maximum number of broadcast applications is limited to 2 per year with a minimum of 30 days between applications. The maximum application rate is 8 pints of product per acre per application (0.88 lb 2,4-D ae and 0.10 lb dicamba ae/A/application). The maximum seasonal rate is 16 pints of product per acre per year (1.76 lb 2,4-D ae and 0.20 lb dicamba ae/A/year).
Time Between Applications
The maximum number of broadcast applications is limited to 2 per year.
Delay mowing 2 days before and until 2 days after the application of this product. Additional stress from low mowing heights may increase the possibility of turf injury. Clippings from the first three mowings should be left on the treated area. Do not use these clippings as mulch or compost around flowers, ornamentals, trees, or in vegetable gardens.
Do not apply this product immediately before rainfall or irrigation. For best results, do not irrigate or water the turfgrass within 24 hours after application. If dry conditions exist, a scheduled irrigation or watering 24 hours before and 24 hours after application is recommended. If rainfall does not occur in 2 to 7 days after application, irrigation of at least one-half inch is recommended.
Before Seeding Instructions
Turf species on this label can be seeded into the treated areas 7 days after application with the exception of Kentucky bluegrass. Kentucky bluegrass can be seeded 14 days after application unless slight growth regulation can be tolerated.
After Seeding Instructions
Delay application of this product to grass seedlings until after the second or third mowing, or 28 days after emergence.
Q4 Plus Optimized Application Label Rate Calculator