Expert’s Top 10 Picks & Best Weed Preventer, Reviews In 2023
About Weed Preventer
Weed preventer is a great product for any gardener or homeowner looking to keep their lawn and garden free of pesky weeds. This innovative product prevents weeds from germinating while still allowing planted flowers and vegetables to flourish. It is designed to be applied once and last for up to three months, reducing the amount of time spent weeding. Its non-toxic formula is safe for people and pets, making it a great choice for those with children or pets. Weed preventer is easy to apply and is available in both granular and liquid forms. It is an excellent choice for anyone looking for an effective and environmentally friendly way to keep weeds from taking over their garden.
1#. Roundup Weed Barrier Granules – Weed Preventer for Landscapes, Up to 8 Months Protection, Built-In Applicator, 5.37 lbs.
Features
Create a weed barrier around your plants with Roundup Weed Barrier Granules
Prevents weeds and grasses for up to 8 months (see use directions for complete list of treated weeds)
Easy to apply – just sprinkle directly to the soil around listed ornamental landscape plants
Won’t harm desirable plants, such as annuals, flowers & bulbs, and established trees & shrubs
Covers up to 1,000 square feet
2#. Scotts Halts Crabgrass & Grassy Weed Preventer, Pre-Emergent Weed Control, Treats up to 10,000 sq. ft,20.12 lb. (2-Pack)
Features
One application prevents crabgrass all season long
Apply in spring to prevent crabgrass and problem weeds all season long
Fall application prevents winter weeds, such as poa annua, henbit and chickweed
Rain, snow or freezing weather after application won’t affect product performance
Apply in fall to prevent moss
3#. Miracle-Gro Garden Weed Preventer1, 5 lb.
Features
One application prevents weeds up to 3 months
Easy-to-use applicator
5 lb. jug treats a minimum of 800 sq. ft.
Made just for your garden by preventing weeds from growing without harming your plants
Use around listed flowers, vegetables, roses, ground covers, shrubs and trees
4#. Miracle-Gro Garden Weed Preventer1, 5 lb.
Features
One application prevents weeds up to 3 months
Easy-to-use applicator
5 lb. jug treats a minimum of 800 sq. ft.
Made just for your garden by preventing weeds from growing without harming your plants
Use around listed flowers, vegetables, roses, ground covers, shrubs and trees
5#. Liquid Harvest Mesotrione Bundle – 8 Ounces – Mesotrione Concentrate (Compare to Tenacity) – Pre and Post-Emergent Weed Killer for Lawn and Turf Grasses with 8oz Surfactant
Features
Liquid Harvest Mesotrione is a very useful herbicide as it prevents crabgrass seed germination and kills broadleaf weeds (dandelion and clover among others) on contact, while allowing certain cool season turfgrass to grow in a weed-free environment.
Liquid Harvest Mesotrione has a 40% active ingredient that inhibits photosynthesis in susceptible plant species. It is distributed throughout the plant after being absorbed by the plants through roots, shoots and leaves.
Liquid Harvest Mesotrione targets 46 broadleaf species of weed and grass. It can combat Barnyard grass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot, and others.
For use in Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, St. Augustine Grass (grown for sod only). DO NOT apply this product on Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. Mesotrione can only be used on bermudagrass that is still dormant when trying to remove weeds or target grasses from it. If the bermuda is only semi dormant you will see whitening and damage to the bermuda.
Liquid Harvest Meso: 4 – 8 oz. per 30 gallons of water per acre, use a Surfactant to Increase Effectiveness and be sure to read label for full instructions
Mesotrione prevents photosynthesis in plants. It will absorb and start working immediately, however, it can take up to 2-3 weeks before full death occurs on your weeds
The use of Liquid Harvest Surfactant helps stick the mesotrione spray mixtures to the desired areas
Bundle includes one 8 ounce Mesotrione and one 8 ounce Surfactant
Not for sale in CA and WA
6#. Preen Extended Control Weed Preventer – 4.93 lb. Bottle – Covers 805 sq. ft.
Features
1 Application blocks weeds up to 6 months guaranteed
When used as directed Preen Extended Control Weed Preventer can be used around more than 600 perennials, groundcovers, shrubs and trees as listed on the product label
Flip-top applicator cap makes it easy to apply
Not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants
Not available for sale in NY
Covers 805 sq. ft
7#. Preen Garden Weed Preventer – 5.625 lb. – Covers 900 sq. ft.
Features
Stop weeds before they start for up to 3 months, guaranteed
Safe for use around over 200 established flowers, vegetables, trees and shrubs
Flip-top applicator cap makes it easy to apply
Apply anytime in spring, summer or fall
Not for use on lawns
8#. Roundup Ready-To-Use Extended Control Weed & Grass Killer Plus Weed Preventer II with Pump ‘N Go 2, 1.33 gallon
Features
Dual-action formula kills existing weeds and prevents new ones from growing for up to 4 months
Kills weeds to the root. Guaranteed!* *Consumer Guarantee: If for any reason you are not satisfied after using this product, simply send us original proof of purchase and we will refund the purchase price
Use on driveways, sidewalks, and patios; along fences, foundations, curbs, retaining walls and edge of lawns, as well as on decorative rock or gravel areas
Rainproof in 10 minutes
Visible results in 3 hours
9#. Preen Garden Weed Preventer – 13 lb. – Covers 2,080 sq. ft.
Features
Stop weeds before they start for up to 3 months guaranteed
Safe for use around over 200 established flowers, vegetables, trees and shrubs
Apply anytime in spring, summer or fall
Not for use on lawns
Weed preventer does not kill existing weeds
Safe for use on edibles (see use directions for complete list)
Covers 2,080 sq. ft.
10#. Preen Garden Weed Preventer – 16 lb. – Covers 2,560 sq. ft.
Features
Stop weeds before they start for up to 3 months guaranteed
Safe for use around over 200 established flowers, vegetables, trees and shrubs
Apply anytime in spring, summer or fall
Not for use on lawns
Weed preventer does not kill existing weeds
Safe for use on edibles (see use directions for complete list)
Covers 2,560 sq. ft.
