The Best Weed Killer St Augustine Grass of March: Best Reviews and Top-Rated for you

Kills dollarweed, clover and other listed lawn weeds

Feeds grass to crowd out future weeds

Builds strong, deep grass roots to strengthen against heat and drought

Not for use on Bermudagrass

Only for use on St. Augustinegrass (including Floratam), centipede, zoysia and carpetgrass lawns

Available in TX, FL (except Panhandle region), LA, AL, GA, MS, NC, and SC.

Use Ortho WeedClear Weed Killer for Lawns Concentrate to kill weeds down to the root, without harming your lawn (when used as directed); you'll see visible results in hours

KILLS WEEDS: This lawn weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list)

LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won’t harm your grass (when used as directed)

RESULTS YOU CAN SEE: Absorbs on contact to deliver visible results in hours; rainproof in 1 hour upon drying; people and pets may enter the treated area after the spray has dried

EASY TO USE: This concentrated formula can be easily applied with an Ortho Dial N Spray or tank sprayer; it treats up to 64,000 sq. ft.

Kills many broadleaf weeds

Also used in centipede grass

Provides suppression of crabgrass

Controls emerged weeds and weeds from seed

This selective weed killer controls Henbit, Clover, Chickweed and more. See label for full list.

Intended for use on St. Augustine and Centipedegrass.

This 32 oz bottle of liquid concentrate weed killer can treat up to 3,720 sq. feet of lawn.

For best results apply in early spring. Can be applied during both dormant and growing seasons.

Application varies by dimension and grass type. See label for application instruction.

One quart treats 3,720 sq ft

Controls Weeds in St. Augustine and Centipede Grasses

Package Weight: 1.021 kilograms

Package Dimensions: 5.842 L x 19.177 H x 12.954 W (centimeters)

LAWN WEED KILLER: Kills over 200 broadleaf lawnweeds including dollar weed and dandelion

SOUTHERN LAWNS: BioAdvanced Southern Weed Killer for Lawns is specially formulated for Southern Lawns

USE ON: For use on Southern lawn types such as St. Augustine grass, Centipede grass, Zoysiagrass, and Bermudagrass. Does not harm your lawn

RAINPROOF PROTECTION: Rainproof in 1 hour

COVERAGE AREA: Treats up to 16,000 square feet

RESTRICTIONS: Not for sale in AK, CO, CT, DC, DE, IA, ID, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MT, ND, NE, NH, NJ, NV, NY, OH, OR, PA, RI, SD, UT, VT, WA, WI & WV

Southern lawns: specially formulated for southern lawns

6-Month protection: prevents broad lead, grassy weeds, and crabgrass for up to 6 months

Weed killer: kills weeds including dandelion, dollar weed, and clover

Lawn fertilizer: feeds, greens, and strengthens your lawn

50% Slow release formula

Won't harm lawns when used as directed

For use on southern turfs Bermuda Grass, St Augustine Grass, Centipede Grass and Zoysia Grass

All-in-one formula: BioAdvanced's all-in-one formula kills listed lawn weeds and crabgrass without harming the lawn

Weed killer: kills over 200 listed broadleaf weeds like dandelion and clover PLUS crabgrass

Root killer: kills even the toughest weeds to the root

Rainproof protection: systemic rainproof in 1 hour

Allows for hose-end sprayer application

40 oz bonus concentrate treats 6,250 Sq Ft

Use Ortho WeedClear Weed Killer for Lawns Ready-To-Spray to kill weeds down to the root, without harming your lawn (when used as directed); you'll see visible results in hours

KILLS WEEDS: This lawn weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list)

LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won’t harm your grass (when used as directed)

RESULTS YOU CAN SEE: Visible results in hours; rainproof in 1 hour upon drying; people and pets may enter the treated area after the spray has dried

EASY TO USE: To apply, connect your garden hose to the sprayer and set the nozzle to your desired setting

For use on St. Augustinegrass including Floratam

Kills 250+ listed weeds (See label for listed weeds.)

Won’t harm the lawn – Guaranteed (When used as directed.)

Rain-proof in 1 hour

Treats up to 2,500 sq. ft.