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weed and grass killer concentrate

219 results for “weed and grass killer concentrate”

Weed & Grass Killer Concentrate Plus - Roundup 35.2oz

Bonide Stump-Out Stump Killer Concentrate 8 oz

$25.08
reg $29.62
Sale

Ortho WeedClear Weed Killer Concentrate 32 oz

$28.86
reg $33.69
Sale

Ortho WeedClear Weed Killer RTS Hose-End Concentrate 32 oz

$32.36
reg $37.79
Sale

Sponsored

Ortho WeedClear Weed Killer Refill RTU Liquid - 1 gal

Spruce Weed and Grass Killer Refill 4.25lbs

$19.69
4.6(61)
Loved for: fast-acting formula

Related deals

Spruce Weed and Grass Killer EZ-AIM 0.78lbs

$9.99

Sponsored

Roundup Dual Action Quick Hand Applicator

$19.99

1.33gal Weed & Grass Killer AccuShot Sprayer - Spectracide

$15.71
reg $18.49
Clearance

Roundup For Lawns₁ Ready-To-Use with Extend Wand, 1 gal

Spruce Weed and Grass Killer Power Wand 5.05lbs

$39.49

Roundup For Lawns North Quick Hand Refill System

$13.99

Sponsored

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Concentrates are mixed with water and applied as a spray. Common application tools listed on product descriptions include pump-style tank sprayers, hose-end sprayers, tank sprayers, pourable jugs (to fill a sprayer), and ready-to-spray hose attachments. Follow the product label for the correct dilution ratio, application method, and safety precautions.

Concentrates target both broadleaf and grassy weeds. Common examples cited on product labels include dandelion, clover (red & white), plantain, chickweed, spotted spurge, poison ivy, and grassy weeds such as crabgrass (large and smooth), nutsedge, and kyllinga. Check the product label for the full list of weeds it controls.

Many concentrates become rainproof quickly — commonly within 30 minutes to 1 hour after application. Visible results vary by product and weed type: some labels report changes within hours, while many lawn formulas note visible control in about 3–7 days (often less than a week). Always consult the product label for the precise rainfast time and expected timeline for visible results.

Guidance varies by product. Many concentrates allow people and pets to re-enter treated areas once the spray has dried. Planting restrictions can be broader—labels may specify waiting periods ranging from about 1 to 30 days (or longer) before planting in treated soil. Check the specific product label for exact re-entry and planting intervals before resuming activity or planting.

Pre-emergent formulations typically provide weed-prevention for around three months in many products, while some specialized preventer concentrates advertise longer residual control—up to about 12 months on certain labels. Prevention time depends on the active ingredient and product formulation, so verify the expected duration on the product label.

Descriptions commonly recommend use in flower beds, around trees and shrubs, along fences, driveways and walkways, on freshly cut woody stumps, for lawn replacement or renovation, and for pre-emergent control in garden plots and ornamental/vegetable areas. Because some products restrict use on certain plants or areas, always follow the specific product label for approved use sites and application instructions.

For larger or full-lawn applications, product descriptions commonly suggest pump-style tank sprayers, tank or hose-end sprayers, and ready-to-spray hose attachments; pourable jugs are used to fill sprayers. For best results, choose a sprayer suited to the lawn size, calibrate it for even coverage, and follow the product label’s mixing and application instructions.

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