Pre-Emergent Herbicides

If you know your lawn is prone to weeds in the spring and summer, pre-emergent weed control treatments will help stop weeds before they emerge. Pre-emergent herbicides form a barrier in the top inch or two of soil, preventing weeds from growing above the soil. This means less weeds to treat when the weather warms, keeping your lawn beautiful year round. 

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5 out of 5 stars (1)
$36.19
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Multiple sizes available
An active herbicide that eliminates and prevents weeds from growing and provides excellent vegetation control whole year-round.
$40.37
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A professional pre-emergent and post-emergent herbicide that controls weed and grasses for 3 to 6 months.
$52.98
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A selective pre-emergent herbicide that is specifically formulated for crabgrass and effectively controls weeds.
$146.18
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A professional selective pre-emergent herbicide that controls grasses and broad-leaf weeds in cool & warm-season turf for golf courses, sod and ornamental nurseries.
$70.96
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A professional selective pre & post-emergent herbicide that provides control of broad-leaf weeds and nutsedge in turf-grass, and other non-crop sites.
5 out of 5 stars (1)
$412.50
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A professional dual mode action selective pre-emergent and post-emergent control of crabgrass, broad-leaf, annual grass, sedges in cool & warm-season grasses.
5 out of 5 stars (1)
$140.33
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A professional selective pre-emergent and post-emergent herbicide that controls herbaceous weeds and annual and perennial grasses.
5 out of 5 stars (1)
$62.28
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A selective, preemergence herbicide that controls nuisance weeds on ground covers, landscape ornamentals, established flowers, non-bearing fruit and nut trees, and non-bearing vineyards.
4 out of 5 stars (2)
$29.66
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A ready-to-spray selective herbicide that provides pre and post-emergent control of goosegrass, nutgrass (and all sedges), crabgrass, foxtail, and other grassy type weeds.
2.5 out of 5 stars (2)
$17.00
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Multiple sizes available
A non-selective post-emergent herbicide for home and garden that kills all plant life, roots and all for up to a year.
5 out of 5 stars (1)
$501.00
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A professional selective pre-emergent and post-emergent herbicide that controls Poa annua in cool-season grasses, over-seeded bermudagrass, annual grasses and broad-leaf weeds.
$197.50
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A selective pre and post-emergent herbicide that controls annual, perennial grasses and broadl-eaf weeds in forestry and non-crop sites.
5 out of 5 stars (3)
$253.60
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Multiple sizes available
A professional pre-emergent herbicide that controls broad-leaf weeds in established areas for commercial turf-grass and ornamentals.
$39.98
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A high quality fertilizer that also provides selective pre-emergent control of grasses and broadleaf weeds
2.5 out of 5 stars (4)
$41.04
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Multiple sizes available
A selective pre-emergent herbicide plus fertilizer Weed & Feed for Crabgrass and broad-leaf weeds on cool & warm-season grasses.
$440.20
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A professional selective pre-emergent herbicide that prevents annual grasses and broad-leaf weeds for commercial warm-season turf-grass, conifer nurseries and ornamentals.
$424.98
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A pre-emergent herbicide that provides long-lasting residual control of annual weeds, sedges, and grasses for up to eight months.
$177.15
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A professional granular pre-emergent herbicide that controls broad-leaf and grassy weeds for commercial ornamental production and landscaping.
$186.79
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A specially formulated herbicide that provides long-lasting weed control in corn, soybeans and a variety of other crops.
$38.75
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Multiple sizes available
A highly effective weed and grass preventer that targets and controls over 40 types of broadleaf weeds.
$103.84
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A non-selective, residual herbicide that manages existing weeds and prevents new weeds for up to 6 months.
5 out of 5 stars (1)
$26.98
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Bio Advanced Season Long Weed Control for Lawns RTS is a post emergent and pre-emergent broadleaf weed killer.
$393.57
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A professional selective pre and postemergent herbicide that controls tough broad-leaf weeds with flexible application timing and residual weed control.
$672.23
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A selective herbicide that delivers an excellent residual pre-emergent and post-emergent control of grass and broadleaf weeds.

Liquid Pre-emergents | Granular Pre-emergents | Wettable Powder Pre-emergents

Lawn Care Schedules & Maintenance Calendars

Cool Season Grasses | Warm Season Grasses

Pre-emergent herbicides are usually applied in the early growing season and help prevent target grass and broadleaf weed seeds from germinating as the weather begins to warm up in the Spring.  A pre-emergent herbicide, or weed preventer, will create a barrier around a seed, making it nearly impossible for the seed to sprout and the weed or grass to grow.

Pre-emergent weed control is typically applied twice a year, in the spring and in the fall, to help prevent weeds that germinate in the spring and fall. Learn more about Applying Spring Pre-Emergent Weed Control and Why You Should Be Using a Fall Pre-Emergent.

When applying pre-emergents, be careful to aerate first, and not after applying the products.  Aeration can break the seal over the ground and around the seeds which makes the pre-emergents less effective.  In some areas, you may need to do a split application of pre-emergent weed control – meaning you’ll apply your pre-emergents early (spring or fall), then aerate, then do a second application of pre-emergents to get season long control. 

Pre-emergent herbicides can be applied using a granular spreader or a pressurized handheld sprayer. Most liquid herbicides come as concentrated solutions that need to be mixed with water first (according to the label) before application.  Granular herbicides can be spread using a granular spreader and may require irrigation in order to help the granule release the pre-emergent chemical.

 

Be sure to check out our full Do My Own Lawn Care Video Series.

Spring Pre-Emergents Application Video | Fall Pre-emergents Application Video

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Many of our products are not available in stores such as Home Depot, Walmart or Lowes.