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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Get A Weed-Free Spring Lawn 10% Off Pre-Emergent Weed Control -Some Exclusions Apply

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Barricade 4FL Pre-Emergent Herbicide - 4 oz. (Prodiamine) Quick View
4.5 out of 5 stars (5)
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$29.98
Was: $33.31
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Multiple sizes available
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Snapshot 2.5 TG Herbicide - 50 lbs. Quick View
4.5 out of 5 stars (44)
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$134.35
Was: $149.28
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A professional selective pre-emergent herbicide that provides season-long control of over 120 broad-leaf weeds and annual grasses in over 600 ornamentals.
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Dimension 2EW Herbicide Quick View
4.5 out of 5 stars (53)
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$156.75
Was: $174.17
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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.
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Howard Johnsons Dimension 0.27G Herbicide Quick View
4 out of 5 stars (12)
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$36.22
Was: $40.24
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Multiple sizes available
A granular pre-emergent herbicide for control of grassy and broadleaf weeds.
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Hi-Yield Weed and Grass Stopper with Dimension Herbicide Quick View
4.5 out of 5 stars (99)
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$27.68
Was: $30.75
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A pre-emergent and post-emergent herbicide for crabgrass and broad-leaf weeds in cool and warm-season grass and landscaping.
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Barricade 65WG Herbicide Quick View
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$119.00
Was: $132.22
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Barricade 65WG herbicide stops more than 30 weeds from emerging. The water-dispersible granule provides the ease of handling and reduced packaging of a dry formulation.
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The Anderson's 0.48 Barricade Herbicide Quick View
4.5 out of 5 stars (40)
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$70.98
Was: $78.87
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Multiple sizes available
A professional pre-emergent herbicide that controls broadleaf weeds in lawns, sod farms, established turfgrasses, and non-crop areas by preventing root development and seed germination.
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Ferti-Lome Broadleaf Weed Control with Gallery Quick View
4.5 out of 5 stars (37)
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$36.58
Was: $40.64
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A pre-emergent herbicide for landscape ornamental plants and home lawns that stops broad-leaf weeds like dandelion, clover and spurge.
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Tenacity Herbicide Quick View
4.5 out of 5 stars (524)
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$66.98
Was: $74.42
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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.
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Gallery 75 DF Specialty Herbicide Quick View
5 out of 5 stars (5)
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$179.40
Was: $199.33
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A commercial pre-emergent herbicide for cool and warm season turf plus field and container grown ornamentals that controls broad-leaf weeds and grasses.
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Princep Liquid Herbicide Quick View
4 out of 5 stars (8)
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$79.98
Was: $88.87
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A professional selective pre-emergent herbicide for broad-leaf and annual grass weed control in nurseries, turf, and landscape plantings.
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Resolute 65 WG Prodiamine Herbicide (Generic Barricade) Quick View
4.5 out of 5 stars (14)
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$99.00
Was: $110.00
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A professional selective pre-emergent herbicide for cool and warm-season grasses on golf courses, sod farms and commercial ornamental plants.
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Prodiamine 65 WDG (Generic Barricade) Quick View
4.5 out of 5 stars (83)
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$109.00
Was: $121.11
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A professional pre-emergent herbicide for grassy and broad-leaf weeds for golf course fairways and commercial sod farms.
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Hi-Yield Atrazine Weed Killer Quick View
3 out of 5 stars (50)
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$20.28
Was: $22.53
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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.
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Pendulum 2G Granular Herbicide Quick View
4 out of 5 stars (32)
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$101.23
Was: $112.48
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A professional selective pre-emergent granular herbicide that controls crabgrass and more than 40 grass and broad-leaf weeds.
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Southern Ag Atrazine Weed Killer for St Augustine Grass Quick View
4 out of 5 stars (39)
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$19.99
Was: $22.21
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A selective pre-emergent and post-emergent herbicide for St. Augustine and Centipede grasses that controls many broad-leaf weeds and suppresses crabgrass.
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Prime Source Meso 4SC Select (Generic Tenacity Herbicide) Quick View
4 out of 5 stars (34)
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$60.87
Was: $67.63
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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.
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Ferti-Lome For All Seasons II Lawn Food Plus Crabgrass and Weed Preventer Quick View
4.5 out of 5 stars (24)
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$41.16
Was: $45.73
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Specially formulated to feeds the lawn for up to 5 months to create a stronger root system while providing season-long control of grass and broadleaf weeds including crabgrass.
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Bonide Sedge Ender Concentrate Quick View
4.5 out of 5 stars (28)
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$26.61
Was: $29.57
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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
Casoron 4G Herbicide Quick View
5 out of 5 stars (10)
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$121.49
Was: $134.99
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A professional selective pre-emergent herbicide that provides season-long weed control for broad-leaf weeds and grasses in orchards and nurseries.
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Ferti-Lome Winterizer and Weed Preventer II 10 - 0 -14 Quick View
4.5 out of 5 stars (10)
On Sale!
$37.85
Was: $42.06
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A selective pre-emergent herbicide plus fertilizer weed & feed for cool and warm-season home lawns.
5 out of 5 stars (1)
$41.75
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An excellent herbicide in a dispersible granule formula that inhibits the emergence of broadleaf and grassy weeds on non-crop areas.
10%
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Ferti-Lome Crabgrass Preventer Plus Lawn Food with Dimension 20-0-3 Quick View
4 out of 5 stars (6)
On Sale!
$39.36
Was: $43.73
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Multiple sizes available
A selective pre-emergent herbicide and lawn fertilizer that controls Crabgrass and other broad-leaf weeds and fertilizer for cool & warm-season grass.
4 out of 5 stars (43)
$39.23
Free Shipping!
Multiple sizes available
A professional non-selective pre and post-emergent bare-ground herbicide for commercial and industrial applications.

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.