Q4 Plus Turf Herbicide is applied at the following rates:
Broadcast Treatments for Cool Season Turfgrass (kentucky bluegrass, perennial ryegrass, fescues, annual bluegrass, rough bluegrass, annual ryegrass)- Use rate per Application is 7 to 8 pints per acre or 2.6 to 3.0 fl oz/1000 sq/ft. When broadcasting, your water volume may change so while the concentration of product per area is the same as the spot treatment. If your turf is very dense, you may need 2-4 gallons of water over 1000 sq/ft vs the only 1 gallon needed for spot treatments.
Yes, Q4 Plus Turf Herbicide is labeled for poison ivy. Apply this product to broadleaf weeds that are young and actively growing for the best results.
Q4 Plus Turf Herbicide can be applied as broadcast twice a year with 30 days in between each application as directed on the label.
Q4 Plus Turf Herbicide is not labeled for use on Centipede grass. It can cause Zoysia to become yellow.
Q4 Plus Turf Herbicide will suppress Bahia in Bermuda grass.
Your 2 gallon hand pump sprayer falls under the category of low volume spray equipment that the Q4 Plus Turf Herbicide label is referring to.
How much Q4 Plus Turf Herbicide you use per 4 gallon tank will depend on what size area you cover with 4 gallons (i.e. 4,000 sq ft, 500 sq ft) as well as what kind of turfgrass you are treating. You may also view the full application rates on the product label here.
Keep in mind that Q4 Plus is not safe to use on many warm season grasses such as St. Augustine and Centipede.
Q4 Plus Turf Herbicide is actually not labeled to control poa at all. You may be able to use a product like Certainty instead. Please check the product label to be sure it can be applied to the grass in the area you will be treating.
The application rate of Q4 Plus Turf Herbicide varies depending on what type of turfgrass you have. Cool Season Grasses: 2.6 - 3 oz. per 1,000 sq. ft. (7 - 8 pints per acre) Warm Season Grasses: 1.8 - 2.6 oz. per 1,000 sq. ft. (5 - 7 pints per acre).
The product label for Q4 Plus Turf Herbicide states that you should not apply the product above 90 degrees. Although it does not give a specific temperature for being too cold, most herbicides should be applied between 65 degrees and 85 degrees, when the target weeds are actively growing.
Q4 Plus Turf Herbicide should not be used to treat weeds under the canopy or within the drip line of trees. Per the product label, this product cause injury to non-target plants if applied to foliage, stems, or roots.
Q4 Plus Turf Herbicide does not require the use of a surfactant.
Q4 Plus Turf Herbicide is not labeled to control dallisgrass. Please review our How to Get Rid of Dallisgrass Treatment Guide for information on eradicating this weed.
Q4 Plus Turf Herbicide should not be applied over or near the base of a newly planted tree. We recommend to apply at least 5 feet outside the dripline.
Q4 Plus Turf Herbicide is a post-emergent herbicide, so it will only be effective on existing plants that are actively growing. You do not want to apply in the fall when fall is transitioning into winter when plants are not activelt growing because they will not be able to absorb the product. The best temperatures to apply in are between 55 degrees and 90 degrees. So now would be a great and safe time to apply.
Q4 Plus Turf Herbicide is a great product for spurge and states on the label: Foliar contact of sulfentrazone on emerged, susceptible weeds results in rapid dessication and plant tissue death. So you have to be sure to contact all parts of the spurge and other listed weeds
The application rate of Q4 Plus Turf Herbicide varies depending on what type of truf grass you have. Cool Season Grasses: 2.6 - 3 oz. per 1,000 sq. ft. (7 - 8 pints per acre) Warm Season Grasses: 1.8 - 2.6 oz. per 1,000 sq. ft. (5 - 7 pints per acre) Please let us know if you have any more questions.
Yes, Q4 Plus Turf Herbicide can be used to control barnyardgrass in a Bermuda lawn.