The Q4 Plus Turf Herbicide product label states that it should not be applied to St. Augustine grass, so it is likely that it would be harmful to that type of grass. If you can tell us what type of weed(s) you need to treat, we will be happy to recommend a product to use that would be safe to apply to St. Augustine grass.
Yes, Q4 Plus is pet safe if used as directed on the product label. The dog should be kept out of the area during application, but can safely return once everything has dried.
You will need to dilute approx. 4oz Q4 Plus Turf Herbicide per 4 gallons of water to cover 4000sq feet for most applications.
You can water approximately 6 hours after application of Q4 Plus Turf Herbicide. It is considered "rainfast" after this time. We do recommend waiting at least 24 hours before watering or irrigation for best results.
We recommend applying under dry conditions if possible, but a small amount of dew should not affect the results of Q4 Plus.
Q4 Plus Turf Herbicide can be used for crabgrass in bermuda.
We recommend waiting about two weeks or more after applying Q4 Plus Turf Herbicide before you aerate or dethatch the lawn. This is to allow enough time for the target plants to die completely before you dig up their roots.
Q4 Plus Turf Herbicide will treat for Thistle in Bermuda. Keep in mind that yellowing may occur on the Bermuda. Be sure to apply during the cooler times of the day, morning or evening.
Yes, Q4 Plus Turf Herbicide is labeled to control bindweed.
Q4 Plus Turf Herbicide can safely be appied to tall fescue to treat for crabgrass when applied during the cooler times of the days when temps are below 80 degrees.
CoRon 18-3-6 Plus 0.5% Fe that can be used with Q4 Plus Turf Herbicide. These two products can be mixed together and applied at the same time. Be sure to do a small tank mix test first to ensure there is no clumping between the two products.
You can water approximately 6 hours after application of Q4 Plus Turf Herbicide. It is considered "rainfast" after this time. We do recommend waiting at least 24 hours before watering or irrigation for best results.
Products such as Q4 Plus Turf Herbicide should only be applied the maximum amount of times listed on the product label. This how often the manufacturer has determined it is safe for the environment to use them. As ground ivy is a winter weed, it is best controlled when products are applied in the Fall as they start to green up. Another option is to simply pull it up in between applications, though this may take several months of doing so to gain complete control.
Q4 Plus Turf Herbicide is a post-emergent herbicide, so it will only be effective on existing plants that are actively growing. You should not use any post-emergent herbicides during winter temperatures or when weeds are dormant.
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 can harm desirable ornamentals if sprayed directly or too much drift contacts them. It is recommended to apply on a calm, non- windy day to avoid contact.
Q4 Plus Turf Herbicide has no restriction for when you can lime after application.
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 should be mixed at at 2.5 oz. per gallon of water per 1000 sq. ft. to treat Virginia buttonweed.
The mixing ratio of Q4 Plus Turf Herbicide varies with these 2 types of grasses. For Fescue the amount is 7- 8 pints per acre (2.6 to 3.0 fl oz/1000 sqft) For Bermuda you use 5-7 pints per acre (1.8 to 2.6 fl oz/1000 sqft). So for the mixture you could use the 7 pints/acre or 2.6 fl/1000 sqft
As for the amount of water the label states the following and varies depending on the type of sprayer:
For Conventional Spray Equipment: 50 to 220 gal/acre
For Low Volume Spray Equipment: Equipment should be calibrated to apply at least 20 gallons per acre