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 *Exclusions Apply

14%
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Barricade 4FL Pre-Emergent Herbicide (Prodiamine) Quick View
4.5 out of 5 stars (5)
On Sale!
$187.98
Was: $218.45
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Multiple sizes available
A professional selective pre-emergent herbicide for annual grasses and broad-leaf weeds that will last all season with one application.
10%
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Tenacity Herbicide Quick View
4.5 out of 5 stars (521)
On Sale!
$62.98
Was: $69.98
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Multiple sizes available
A professional systemic selective pre and post-emergent herbicide that controls broad-leaf weeds and grasses in cool & warm-season turf.
10%
Off
Dimension 2EW Herbicide Quick View
4.5 out of 5 stars (51)
On Sale!
$151.76
Was: $168.62
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Multiple sizes available
A professional specialty selective pre-emergent herbicide that controls grass and broad-leaf weeds for commercial and residential cool & warm-season grasses.
10%
Off
Hi-Yield Atrazine Weed Killer Quick View
3 out of 5 stars (50)
On Sale!
$19.97
Was: $22.19
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A selective pre-emergent and post-emergent herbicide that controls both grasses and broad-leaf weeds in dormant and growing for St. Augustine and Centipede-grass.
10%
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Southern Ag Atrazine Weed Killer for St Augustine Grass Quick View
4 out of 5 stars (38)
On Sale!
$20.12
Was: $22.35
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Multiple sizes available
A selective pre-emergent and post-emergent herbicide for St. Augustine and Centipede grasses that controls many broad-leaf weeds and suppresses crabgrass.
10%
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Prime Source Meso 4SC Select (Generic Tenacity Herbicide) Quick View
4 out of 5 stars (34)
On Sale!
$56.65
Was: $62.94
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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.
3.5 out of 5 stars (26)
$75.84
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A non-selective pre-emergent and post-emergent herbicide that is used for brush control, seed head suppression in pastures and range-lands.
10%
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Princep Liquid Herbicide Quick View
4 out of 5 stars (8)
On Sale!
$83.28
Was: $92.53
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A professional selective pre-emergent herbicide for broad-leaf and annual grass weed control in nurseries, turf, and landscape plantings.
10%
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Bonide Sedge Ender Concentrate Quick View
4.5 out of 5 stars (28)
On Sale!
$25.91
Was: $28.79
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Multiple sizes available
A selective pre-emergent and post-emergent herbicide for annual grasses and broad-leaf weed control in cool & warm-season grasses.
10%
Off
Simazine 4L Herbicide Quick View
5 out of 5 stars (6)
On Sale!
$136.77
Was: $151.97
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A specially formulated preemergence herbicide that provides effective weed control of broadleaf weeds and annual and perennial grasses.
4 out of 5 stars (43)
$32.85
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Multiple sizes available
A professional non-selective pre and post-emergent bare-ground herbicide for commercial and industrial applications.
10%
Off
GrazonNext HL Herbicide Quick View
4 out of 5 stars (12)
On Sale!
$179.67
Was: $199.63
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A professional selective pre & post-emergent herbicide that kills tough broad-leaf weeds range-land and pasture grazing land.
10%
Off
Drexel Pin Dee 3.3 EC Herbicide Quick View
4.5 out of 5 stars (3)
On Sale!
$154.11
Was: $171.23
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A professional herbicide that provides preemergent control of broadleaf weeds and grass on a broad spectrum of field crops, permanent crops, and non-crop use sites.
10%
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Pennant Magnum Herbicide Quick View
3.5 out of 5 stars (2)
On Sale!
$263.93
Was: $293.26
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A professional selective pre-emergent herbicide that controls many annual broad-leaf weeds and yellow nut-sedge for commercial golf courses and landscapes.
10%
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Prowl H2O Herbicide Quick View
On Sale!
$174.90
Was: $194.33
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A selective pre-emergent herbicide that provides control of annual grasses and certain broad-leaf weeds for commercial crops.
10%
Off
Prodiamine 4L Herbicide Quick View
On Sale!
$346.17
Was: $384.63
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A professional selective pre-emegent herbicide that controls grassy and broad-leaf weeds in cool & warm-season turf for golf courses, sod farms and tree plantations.
4 out of 5 stars (21)
$42.89
Free Shipping!
Multiple sizes available
A non-selective pre & post-emergent herbicide for controlling grass, broad-leaf weeds, brush and vines up to one year.
10%
Off
Monterey Vegetable & Ornamental Weeder Quick View
4.5 out of 5 stars (7)
On Sale!
$30.56
Was: $33.95
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Multiple sizes available
A selective pre-emergent herbicide that controls annual grasses and broad-leaf weeds in vegetables, flowers, trees and shrubs, and prevents weeds for up to 5 months.
5 out of 5 stars (2)
$47.85
Free Shipping!
Multiple sizes available
An active herbicide that eliminates and prevents weeds from growing and provides excellent vegetation control whole year-round.
10%
Off
Hi-Yield Atrazine Weed Killer RTS Quick View
5 out of 5 stars (1)
On Sale!
$24.70
Was: $27.44
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A ready-to-use tough weed killer that contains 4% atrazine for both emerged weeds and weeds from seed.
10%
Off
Resolute 4FL Herbicide Quick View
On Sale!
$126.90
Was: $141.00
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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.
$60.36
Free Shipping!
A professional pre-emergent and post-emergent herbicide that controls weed and grasses for 3 to 6 months.
5 out of 5 stars (1)
$99.34
Free Shipping!
A professional selective pre-emergent and post-emergent herbicide that controls herbaceous weeds and annual and perennial grasses.
5 out of 5 stars (1)
$192.07
Free Shipping!
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
Echelon 4SC Herbicide Quick View
5 out of 5 stars (1)
On Sale!
$564.53
Was: $627.25
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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%
Off
Gallery SC Specialty Herbicide Quick View
5 out of 5 stars (3)
On Sale!
$229.35
Was: $254.83
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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%
Off
Ike's Sandbur and Crabgrass Preventer Quick View
On Sale!
$46.52
Was: $51.69
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Multiple sizes available
A highly effective weed and grass preventer that targets and controls over 40 types of broadleaf weeds.
10%
Off
Bonide Sedge Ender RTS Quick View
4 out of 5 stars (2)
On Sale!
$32.20
Was: $35.78
Free Shipping!
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.
10%
Off
Prograss EC Herbicide Quick View
5 out of 5 stars (1)
On Sale!
$479.01
Was: $532.23
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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.
3.5 out of 5 stars (3)
$20.84
Free Shipping!
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.
10%
Off
Oxadiazon SC Herbicide Quick View
On Sale!
$417.81
Was: $464.23
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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%
Off
Marengo Herbicide Quick View
On Sale!
$400.92
Was: $445.47
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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%
Off
Callisto Herbicide Quick View
On Sale!
$385.98
Was: $428.87
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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.
10%
Off
Charger Basic Herbicide Quick View
On Sale!
$257.64
Was: $286.27
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A specially formulated herbicide that provides long-lasting weed control in corn, soybeans and a variety of other crops.
10%
Off
Coastal Herbicide 2.5 gal. Quick View
5 out of 5 stars (2)
On Sale!
$552.05
Was: $613.39
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A specially formulated herbicide that provides broad-spectrum, pre- and post-emergent broadleaf and grass weed control on Southern turf.
10%
Off
Duracor Herbicide Quick View
On Sale!
$146.86
Was: $163.18
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A specially formulated herbicide designed to provide extended control of 140 broadleaf weeds and woody plants in pastures.
10%
Off
Prime Source Prodiamine 4SC Select Pre-Emergent Herbicide Quick View
On Sale!
$341.29
Was: $379.21
Free Shipping!
A professional selective pre-emergent herbicide with residual control of many broad-leaf weeds in commercial sod farms, ornamentals and conifer nurseries.
10%
Off
Rezilon Pre Emergent Herbicide Quick View
On Sale!
$461.18
Was: $512.42
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A pre-emergent herbicide designed to protect desirable grasses while having superior control on unwanted grasses and broadleaf weeds.
5 out of 5 stars (1)
$193.90
Free Shipping!
A professional selective pre and post-emergent herbicide that controls broad-leaf weeds in commercial cotton and soybean crops.
5 out of 5 stars (1)
$904.80
Free Shipping!
Multiple sizes available
A professional selective pre-emergent herbicide that controls annual grasses, broad-leaf weeds, and sedges with a new active ingredient - dimethenamid-p (DMTA-P).
11%
Off
Quali-Pro Dithiopyr 2EW Pre-Emergent Herbicide Quick View
On Sale!
$229.83
Was: $257.25
Free Shipping!
A high-performing Group 3 herbicide that provides early post-emergent crabgrass control
10%
Off
Trust 4EC Herbicide Quick View
On Sale!
$164.10
Was: $182.33
Free Shipping!
A specially formulated liquid emulsifiable concentrate herbicide which effectively controls and suppresses many annual grasses and some broadleaf weeds in soybeans, cotton, wheat, and many other field and vegetable crops.
10%
Off
Agrisel Pendi Hydrocap Pre - Emergent Herbicide Quick View
On Sale!
$29.72
Was: $33.02
Free Shipping!
Multiple sizes available
A professional pre-emergent herbicide that controls over 50 types of weeds and grasses.
10%
Off
Semera SC Herbicide Quick View
On Sale!
$77.51
Was: $86.12
Free Shipping!
Multiple sizes available
An economic fast-acting herbicide that offers pre-emergence and post-emergence control on broadleaf weeds and grasses.
$250.01
Free Shipping!
A professional systemic selective pre and post-emergent herbicide for broad-leaf and grassy weeds with three different modes of action in corn fields and grain sorghum.
10%
Off
Kerb SC T and O Specialty Herbicide Quick View
On Sale!
$909.41
Was: $1,010.45
Free Shipping!
A professional residual, soil active herbicide that works primarily by preventing cell division on golf courses, landscapes and others.
48%
Off
Profine 75 Herbicide Quick View
On Sale!
$245.70
Was: $473.00
Free Shipping!
A professional herbicide that controls broadleaf weeds by inhibiting its development and allowing the crop to overtake the weeds' growth.
5 out of 5 stars (1)
$123.77
Free Shipping!
Multiple sizes available
A professional pre-emergent meristematic inhibitor herbicide that controls grasses and broad-leaf weeds in cool & warm-season grasses for commercial and residential lawns.
10%
Off
Gemini 3.7 SC Herbicide Quick View
On Sale!
$2,898.92
Was: $3,221.02
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This liquid, pre-emergent herbicide delivers broad-spectrum control of even the most troublesome broadleaf weeds and annual grasses.
10%
Off
Monterey Weed Impede (Surflan Herbicide) Quick View
4.5 out of 5 stars (13)
$32.28
Out of Stock
Free Shipping!
A selective pre-emergent herbicide that controls annual grasses and broad-leaf weeds in warm-season grasses.
10%
Off
Bio Advanced Season Long Weed Control For Lawns Concentrate Quick View
3 out of 5 stars (6)
$30.68
Out of Stock
Free Shipping!
A concentrated formula that provides pre-emergent and post-emergent control of broadleaf weeds for up to 6 months.
10%
Off
Velpar L VU Herbicide Quick View
$480.26
Out of Stock
Free Shipping!
A professional post and pre-emergent herbicide for annual, perennial weeds and woody plants on commercial forest, industrial and Christmas tree areas.
10%
Off
Dual Magnum Herbicide Quick View
$278.35
Out of Stock
Free Shipping!
A professional selective pre and postemergent herbicide that provides control of annual grasses and certain broad-leaf weeds in crops including corn, potato, cotton, and peanut.
10%
Off
Bio Advanced Season Long Weed Control for Lawns RTS Quick View
5 out of 5 stars (1)
$30.53
Out of Stock
Free Shipping!
Bio Advanced Season Long Weed Control for Lawns RTS is a post emergent and pre-emergent broadleaf weed killer.
3.5 out of 5 stars (3)
$15.77
Out of Stock
Free Shipping!
A non-selective pre & post-emergent herbicide that kills and prevents growth of weeds for up to 1 year.
10%
Off
Alligare Diquat Herbicide Quick View
$49.89
Out of Stock
Free Shipping!
A highly effective herbicide that provides long-lasting protection against weeds by gradually killing it within a few days.
4.5 out of 5 stars (6)
$46.33
Out of Stock
Free Shipping!
An herbicide, combined with a surfactant, that provides total vegetation control for up to 1 year.
10%
Off
Goal 2XL Herbicide Quick View
$246.39
Out of Stock
Free Shipping!
A pre-emergence and post-emergence herbicide that offers burndown on a wide range of weeds and broadleaf grasses at any rate.
5 out of 5 stars (1)
$65.11
Out of Stock
Free Shipping!
A non-selective pre & post-emergent herbicide concentrate that kills and prevents weeds for up to 12 months.
10%
Off
Alligare Panoramic 2SL Herbicide Quick View
$86.91
Out of Stock
Free Shipping!
Provides pre and post-emergent control of annual and perennial broadleaf weeds and grasses on noncropland sites.
10%
Off
Cleantraxx Herbicide Quick View
$568.31
Out of Stock
Free Shipping!
An excellent tank-mix partner that controls over 50 broadleaf, weeds, and grass species.

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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