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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10% Off Pre-Emergent Weed Control -Your Weed-Free Lawn Starts Now *Exclusions Apply

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Liquid Granular Water Dispersible Granular
$122.22
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Multiple sizes available
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.
5 out of 5 stars (2)
$192.07
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Multiple sizes available
A professional selective pre-emergent herbicide that controls broad-leaf weeds in cool & warm-season turf for residential lawns and golf courses.
5 out of 5 stars (1)
$222.21
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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.
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Crew Specialty Herbicide - 50 lb. Quick View
3 out of 5 stars (2)
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$163.57
Was: $181.74
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Multiple sizes available
A professional dual-active pre-emergent herbicide that controls and eliminates more than 120 types of broadleaf weeds and grass in turfgrasses, landscape ornamentals, and non-crop areas.
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Prime Source Meso 4SC Select Herbicide - Gallon Quick View
4 out of 5 stars (34)
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$211.00
Was: $234.44
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Multiple sizes available
A professional selective pre and post-emergent herbicide that controls broad-leaf and grassy weeds for commercial and residential turf-grass.
10%
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Prograss EC Herbicide Quick View
5 out of 5 stars (2)
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$619.00
Was: $687.78
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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.
10%
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Gallery SC Specialty Herbicide Quick View
5 out of 5 stars (3)
On Sale!
$239.00
Was: $265.56
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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.
10%
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Rezilon Pre Emergent Herbicide Quick View
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$398.00
Was: $442.22
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A pre-emergent herbicide designed to protect desirable grasses while having superior control on unwanted grasses and broadleaf weeds.
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RM43 43% Glyphosphate Plus Weed Preventer - 1 Gallon Quick View
4.5 out of 5 stars (9)
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$103.88
Was: $115.42
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Multiple sizes available
An herbicide, combined with a surfactant, that provides total vegetation control for up to 1 year.
10%
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Resolute 4FL Prodiamine Herbicide 2.5 Gallon Quick View
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$283.00
Was: $314.44
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Multiple sizes available
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.
10%
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Echelon 4SC Herbicide Quick View
5 out of 5 stars (1)
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$624.59
Was: $693.98
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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.
10%
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Marengo Herbicide Quick View
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$525.00
Was: $583.33
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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.
10%
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Duracor Herbicide Quick View
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$139.00
Was: $154.44
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A specially formulated herbicide designed to provide extended control of 140 broadleaf weeds and woody plants in pastures.
10%
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Oxadiazon SC Herbicide Quick View
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$415.00
Was: $461.11
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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.
10%
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RM43 43% Glyphosphate Plus Weed Preventer - 2.5 Gallon Quick View
4.5 out of 5 stars (9)
On Sale!
$200.43
Was: $222.70
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Multiple sizes available
An herbicide, combined with a surfactant, that provides total vegetation control for up to 1 year.
10%
Off
Semera 51% WDG Herbicide Quick View
On Sale!
$269.00
Was: $298.89
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Multiple sizes available
A pre-emergent and post-emergent contact herbicide that controls selected grass and broadleaf weeds in non-crop areas and warm-season turfgrasses.
10%
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Chaparral Herbicide Quick View
5 out of 5 stars (1)
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$179.00
Was: $198.89
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A powerful herbicide that controls a wide range of broadleaf weeds and brush and offers beneficial grass production.
5 out of 5 stars (1)
$129.72
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Multiple sizes available
A highly effective herbicide that provides long-lasting protection against weeds by gradually killing it within a few days.
10%
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Torocity Herbicide Gallon Quick View
5 out of 5 stars (4)
On Sale!
$229.99
Was: $255.54
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Multiple sizes available
A selective herbicide that kills existing weeds and prevents new weeds before they can even start.
10%
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SureGuard SC Herbicide - Pint Quick View
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$225.00
Was: $250.00
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Multiple sizes available
A selective herbicide that delivers an excellent residual pre-emergent and post-emergent control of grass and broadleaf weeds.
10%
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OH2 Ornamental Herbicide Quick View
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$199.00
Was: $221.11
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A professional granular pre-emergent herbicide that controls broad-leaf and grassy weeds for commercial ornamental production and landscaping.
10%
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Oxadiazon 2G Herbicide Quick View
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$119.00
Was: $132.22
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A professional selective pre-emergent herbicide that controls annual grasses and broad-leaf weeds in turf and woody ornamental shrubs, vines, and trees.
10%
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Bensumec 4LF Herbicide - 2.5 Gallon Quick View
5 out of 5 stars (2)
On Sale!
$489.00
Was: $543.33
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Multiple sizes available
A professional selective pre-emergent herbicide that controls broad-leaf weeds in cool & warm-season turf for residential lawns and golf courses.
10%
Off
SureGuard SC Herbicide Quick View
On Sale!
$699.00
Was: $776.67
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Multiple sizes available
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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