The product label for Gordons Trimec Classic Broadleaf Herbicide does state some injury can be expected when used on St Augustine. Spot spray weeds established in St Augustine to avoid damage that may occur from a broadcast treatment. Do not apply during spring green-up which is the transition period between dormancy and active growth. Do not apply to Floratam St Augustine.
Gordons Trimec Classic Broadleaf Herbicide should not be used around edible vegetation. You should not treat inside the dripline or within 15 ft of the tree (outside the root zone).
Gordons Trimec Classic Broadleaf Herbicide has a shelf life of 2-3 years if stored at room temperature.
Once Gordons Trimec Classic Broadleaf Herbicide with water you need to use the mixed solution within 24 hours. If left standing in the sprayer, it would become less effective after that point and could also damage your sprayer.
Per the Gordons Trimec Classic Broadleaf Herbicide product label for broadleaf weed control on cool season grass you would use 1.2 to 1.5 oz. per 0.5 to 6 gallons of water per 1,000 sq. ft. 3.25 to 4 pints in 20 to 260 gallons of water per acre.
Gordons Trimec Classic Broadleaf Herbicide should not be used around edible vegetation. The vegetable should not be consumed if treated.
Gordons Trimec Classic Broadleaf Herbicide can be applied after the second or third mowing to a newly seeded lawn.
Seed can be sown 3-4 weeks after application of Gordons Trimec Classic Broadleaf Herbicide .
Gordons Trimec Classic Broadleaf Herbicide can be applied when temps are between 60-75 degrees at time of application. It works best when applied when temps reach that point for at least a few days consecutively.
The Gordons Trimec Classic Broadleaf Herbicide product label does not state there is a wait time to fertilize after making an application.
Gordons Trimec Classic Broadleaf Herbicide is labeled for poison ivy and oak but not sumac. A better option for all 3 would be the Crossbow Specialty Herbicide.
Gordons Trimec Classic Broadleaf Herbicide is best applied to actively growing healthy weeds. Per the product label, do not broadcast spray when air temperatures exceed 85.
It is recommended to mow 3 days before Gordons Trimec Classic Broadleaf Herbicide application and then you can mow 3 days after application.
The 1.5oz rate is the higer rate, so you would want to make sure you're using adequate water for distribution of the product in a 1000 square foot area and avoid any potential harm to your desired turfgrass.
When treating with Trimec Classic the amount of water can vary between 0.5 to 6 gallons per 1000 sq. ft. Using between 0.75 to 1.5 of Trimec Classic per 1000 sq. ft. is the most important measurement to worry about. The steps below will allow you to estimate the amount of product and water needed for the area that you want to treat.
Steps in Calibration:
1. Mark an area of 1,000 square feet (i.e. 20 by 50 feet, or 25 by 40 feet).
2. Place the sprayer on a level surface and add water noting the final level of water in the spray tank.
3. Spray the marked area with a sufficient volume of water to provide uniform coverage. Refill the sprayer to the same level as before measuring the amount of water added. The measured water added to the sprayer is the volume needed to cover 1,000 square feet.
4. Determine the application rate (fl oz/1000 sq ft) for the product from the “Approved Uses” section of this label.
5. To each volume of water used, as measured in step 3, add the amount of product determined in step 4.
Seed can be sown 3-4 weeks after application of Gordons Trimec Classic Broadleaf Herbicide . Please provide details on what will be planted in the area that was treated for additional information on safety, etc.
Gordons Trimec Classic Broadleaf Herbicide could be used 30 days after applying a weed and feed as long as you follow the instructions on the product label to prevent overstressing/harming the lawn.
You should avoid applications to bushes/shrubs as Gordons Trimec Classic Broadleaf Herbicide will harm them.
Gordons Trimec Classic Broadleaf Herbicide is not labeled to kill quackgrass. Please provide your desired turf for an alternate recommendation.
Gordons Trimec Classic Broadleaf Herbicide is not labeled to treat wild violet. You may want to consider something like Fertilome Weed Free Zone instead.
Gordons Trimec Classic Broadleaf Herbicide should not be used around edible vegetation. The vegetable should not be consumed if treated.