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A great pre-emergence herbicide for use on ornamentals, trees, roses, bulbs, ground covers, shrubs, rock gardens, driveways and unplanted areas. Very economical to use, 1 pint treats 5-10,000 sq. ft. Lasts up to 6-months to control grasses and weeds, and you can tank mix with Remuda or Roundup® in unplanted areas. Now available in a new ready-to-spray formulation
What does Weed Impede do?
It is a preemergence product that prevents weeds in your landscape ornamental areas for up to 6 months.
What weeds does Weed Impede control?
Weed Impede is primarily a grass killer, but it is quite active on broadleaf weeds such as pigweed, purslane, spurge, oxalis, and many others.
Will Weed Impede control weeds that are already up?
No. If weeds already exist (and no ornamentals have been planted) you might want to consider a tank-mix with a glyphosate product like Monterey Remuda or Roundupâ. These products will kill the existing weeds and Weed Impede will go into the soil to prevent those that have not yet germinated.
How many times a year should I use Weed Impede?
Generally twice a year, once in the fall prior to the rainy period, and once again in the spring after the bedding plants are put in (depends on length of growing season).
What ornamental trees, plants, shrubs, or ground covers can I use Weed Impede on?
Over 175 species of ornamentals are on the Weed Impede label. These include bedding plants, ground covers, shrubs and trees.
What species should I not use Weed Impede on?
Specifically, Weed Impede should not be used on slender Deutzia, Douglas fir, Techny aborvitae or Eastern hemlock.
Can Weed Impede be used in my vegetable garden?
No, Weed Impede is only registered for use on ornamentals. To prevent weeds in vegetable gardens see Vegetable & Ornamental Weeder.
Can I use Weed Impede on bulbs?
Yes, Weed Impede can be used on iris, daffodil, narcissus, gladiolus, hyacinth, and tulips. Application should be made 2 - 3 weeks after planting the bulbs but prior to weed emergence. Do not use on gladiolus corms less than 1 inch in diameter and do not apply to tulips that have emerged over ¾ inch.
Can I use it on turf for to prevent crabgrass?
Yes, but only on warm season turf species such as bermudagrass, St. Augustine, buffalo-grass, bahiagrass, zoysiagrass, tall fescue, etc. Do not use on cool season grasses such as bluegrass, ryegrass, bentgrass, etc. Apply only to well established turf and do not plan to overseed for at least 90-120 days following application.
Item Number: 139347
Universal Product Code: 022179100343
Manufacturer: Monterey Lawn and Garden Products
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