Please contact your local cooperative extension office to determine the correct timing of the application as this will vary greatly from region to region and also dependent on what type of weeds you are trying to control or prevent. You want to have pre-emergent for crabgrass control down before soil temperatures average 55 degrees for best results.
Hi-Yield Crabgrass Weed Control cannot be used in or around vegetable gardens. You can view the pre-emergents we carry that are safe around edibles here.
Hi-Yield Crabgrass Weed Control is a pre emegent herbcide that should be applied prior to weed germination for best results. This product will have no control on actively growing weeds. For pre emergent control of summer weeds, pre emergents should be applied in early spring when soil temps are around 55 degrees however timing can vary from region to region.
For specific timing recommendations, contact your local cooperative extension office to enquire when the appropriate application time would be in your area.
We also have our Cool Season Lawn Care Schedule and Spring Pre Emergent Guide for more information.
Hi-Yield Crabgrass Weed Control can be used at the same time as fungicides such as Heritage G, just be sure to follow all product labels for rates.
Hi-Yield Crabgrass Weed Control is not labeled to target smartweed.
Application rates for Hi-Yield Crabgrass Weed Control are below. Please see the label for complete application instructions.
Northern Cool Season grass: 1.75 - 3.5 lbs. per 1,000 sq. ft. in early spring
Southern Warm Season grass: 2.25 - 3.5 lbs. per 1,000 sq. ft. in late winter or early spring
Northern Cool Season grass: 1.75 - 2.25 lbs. per 1,000 sq. ft. in late summer or early fall
Southern Warm Season grass: 3.5 lbs per 1,000 sq. ft. in late summer or early fall
Rates depend on your lawn type. Per the product label for Hi-Yield Crabgrass Weed Control on Northern Cool Season grasses, you would apply 1 3/4 to 3 1/5 lbs per 1000 sqft. Apply in the spring, 1 to 2 weeks prior to the onset of conditions favorable for annual grass weed seed germination. This will vary from region to region and you should contact your local cooperative extension office to enquire when the appropriate application time would be in your area. The product label also contains spreader settings to refer to. If your spreader is not listed, Scott's has a tool on their website that might help.
Hi-Yield Crabgrass Weed Control can be used on established perennial bluegrass. It is labeled to eliminate annual bluegrass also known as poa annua.
The shelf life of Hi-Yield Crabgrass Weed Control is 3-5 years as long as the product stays dry and sealed and no moisture gets into the bag.
It is best to apply Hi-Yield Crabgrass Weed Control in Illinois the beginning of May or at least 2-4 weeks before crabgrass germination. We recommend that the product is watered in after application with at least 1/2in water or before a rain. The shlef life if stored in a cool dry area is up to 3 years.
Hi-Yield Crabgrass Weed Control has two active ingredients that work together to prevent weeds from emerging. The main difference between the two products are the active ingredients. The active ingredient in Dimension 2EW is dithiopyr. It will work if you use it in early spring and/or late fall. Per the label, this product should be applied 1-2 weeks before the germination of annual grass weeds for the best control. We do have Hi-Yield Turf & Ornamental Weed and Grass Stopper that contains Dimension as well. This will eliminate crabgrass as well as other weeds as well.
Hi Yield Crabgrass Weed can be applied to seeded areas 2 weeks after germination. You can overseed 8 weeks after application of Hi Yield Crabgrass weed control.
How many bags of Hi-Yield Crabgrass Weed Control you will need depends on the rate you use. You use 1.75 to 3.5 lbs per 1000 sqft on cool season lawns, 9 lb. bag covers 5,000 to 20,000 sq. ft depending on turfgrass and target plant. Please refer to the product label for complete instructions.
Hi-Yield Crabgrass Weed Control is safe to use on perennial bluegrasses that are established. Be sure to follow the label application rates and timing.
The Hi-Yield Crabgrass Weed Control is not labeled for use on any type of pasture or grazing land.