The shelf life of Q4 Plus Turf Herbicide is 3-5 years if stored in a room temperature setting. This product should be kept out of extreme temperatures, which are under 35 degrees Fahrenheit and over 90 degrees Fahrenheit.
Q4 Plus Turf Herbicide has no restriction for when you can lime after application.
Q4 Plus Turf Herbicide should not be applied inside the dripline or roots of any edible trees.
Yes, Q4 Plus Turf Herbicide can be applied at the same time as a fertilizer. As always be sure you are applying these products during the cooler times of the day when temps are below 85 degrees.
Q4 Plus Turf Herbicide increases the carbon dioxide in the weed resulting in death. Wild violets will require more than one application to get control according to the product label.
Q4 Plus Turf Herbicide should be stored in a cool dry place and not exposed to extreme temperatures, i.e. above 90 and below freezing. If it was stored in less than optimal conditions, and you are noticing that it has separated in the bottle and with shaking will not go back into solution or it is not as effective, we would recommend replacing it.
Q4 Plus Turf Herbicide is labeled as safe for Poa Annua, so it will not kill it. We would recommend to use Certainty. Be sure it’s safe on your desirable turf.
Q4 Plus Turf Herbicide should be mixed at at 2.5 oz. per gallon of water per 1000 sq. ft. to treat Virginia buttonweed.
Q4 Plus Turf Herbicide could injure turf if applied in temperatures above 90 degrees. Treating in these temperatures is usually not effective post control for weed control as well. The turf gets under stress in the higher temperatures.
Yes, we recommend applying Q4 Plus Turf Herbicide in either early morning or late evening when the temperatures are at their lowest.
Yes, Q4 Plus Turf Herbicide is pet safe even if it rains within a day or two of the application, according to the manufacturer.
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.
Per the manufacturer, Q4 Plus Turf Herbicide is not labeled for use on pastures. It is recommended that you wait at least 30 days before they can return to the area.
No you cannot tank mix Q4 Plus Turf Herbicide with another product like Speedzone which also contains 2,4-D.
The amount of Q4 Plus Turf Herbicide you will need will depend on what and where you will be treating. The product label suggests using between 1.8-2.6 fl oz per one gallon to treat 1000 sq. feet.
Q4 is not going to move through the soil and affect other plants that were not directly sprayed with the product. If you have watered the area well and it did not contact others or their roots, they should be fine. The label does state not to apply to ornamental landscape beds. We would recommend contacting the manufacturer directly for timing of when you can apply in that area. PBI Gordon can be reached at 800-821-7925.
We do not have a post-emergent herbicide that will contain all 4 of the active ingredients you mentioned. Without knowing what weeds are being targeted, it is hard to make a recommendation. In most cases, tank mixing two herbicides is allowed if permitted on the product labels. You would follow the most restrictive label in regards to tank mixing. Q4 Plus tends to be the most popular for broadleaf weed control in cool-season turf. Here are some other options.
QuickSilver Herbicide contains Carfentrazone-ethyl
Ferti-lome Weed Free Zone contains 2,4-D, mecoprop-p, dicamba and carfentrazone-ethyl.
E-2 Herbicide contains 2,4-D, Fluroxpyr, and Dicamba
Q4 Plus contains 2,4-D, Dicamba, Quinclorac and Sulfentrazone
Solitare Herbicide contains Quinclorac & Sulfentrazone.
Turf species listed on the product label can be seeded one week after application of Q4 Plus Turf Herbicide.
Q4 Plust Turf Herbicide is not labeled safe for St. Augustine grass, the active ingredients in this product will burn the grass if it's applied to it.
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).
