Ask A Pro: 866-581-7378 Mon-Fri 9am-5pm ET Contact Us
Fast Free Shipping On Your Entire Order*
DoMyOwn - Do It Yourself Pest Control
  • Use "Spacebar" or "Enter" to expand the My Account navigation menu.
  • Use Down or Tab key to select next menu item.
  • Use Up or Shift+Tab keys to select the previous item.
  • Use Enter/Space key to visit the menu item.
  • Use Esc key to leave the submenu.
  • Use Left/Right arrow keys to allow users to navigate within the navigation links.
  • Use Down arrow key to expand the submenu and up/down arrow keys to navigate within the submenu.
  • Use Enter/Space key to select the menu/submenu items.
  • Use Esc key to leave the submenu.

Sales End 10/31 on Top Lawn & Pest Control - SHOP NOW >>

Crabgrass Killers & Herbicides

Shop professional crabgrass killers and post-emergent herbicides at DoMyOwn to kill crabgrass that is already growing. Choose from selective crabgrass weed killers and herbicides for lawns, turf, landscapes, and other labeled areas.
View Crabgrass Killers & Herbicides Treatment Guides & Videos
1-13 of 13
Filter (2) Sort
Fertilome Weed - Out With Crabgrass Killer RTS Quick View
Fertilome Weed - Out With Crabgrass Killer RTS
3.5 out of 5 stars (6)
$37.67
Free Shipping!
A highly effective herbicide that is proven to target and eliminate crabgrass and other unwanted weeds.
12%
Off Hi-Yield Atrazine Weed Killer Quick View
Hi-Yield Atrazine Weed Killer
3.5 out of 5 stars (58)
On Sale!
$22.29
Was: $25.26
Free Shipping!
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%
Off Southern Ag Atrazine Weed Killer for St Augustine Grass Quick View
Southern Ag Atrazine Weed Killer for St Augustine Grass
4 out of 5 stars (64)
On Sale!
$20.58
Was: $22.87
Free Shipping!
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.
Ferti-lome Over the Top II Grass Killer Quick View
Ferti-lome Over the Top II Grass Killer
3.5 out of 5 stars (31)
$36.52
Free Shipping!
Multiple sizes available
A selective systemic post-emergent herbicide for ornamental plants and flowers to kill annual and perennial grasses.
Image Kills Nutsedge Concentrate Quick View
Image Kills Nutsedge Concentrate
3 out of 5 stars (44)
$29.98
Free Shipping!
Multiple sizes available
A selective post-emergent herbicide that kills tough weeds including purple and yellow nutsedge in warm-season grasses.
Hi-Yield Grass Killer Post-Emergent Herbicide Quick View
Hi-Yield Grass Killer Post-Emergent Herbicide
4 out of 5 stars (41)
$39.01
Free Shipping!
Multiple sizes available
A selective post-emergent herbicide for annual and perennial grasses in ornamental landscapes.
10%
Off Bonide Sedge Ender Concentrate Quick View
Bonide Sedge Ender Concentrate
4.5 out of 5 stars (35)
On Sale!
$27.89
Was: $30.99
Free Shipping!
Multiple sizes available
A selective pre-emergent and post-emergent herbicide for annual grasses and broad-leaf weed control in cool & warm-season grasses.
Ferti-Lome Weed Out with Crabgrass Killer Quick View
Ferti-Lome Weed Out with Crabgrass Killer
3.5 out of 5 stars (27)
$28.32
Free Shipping!
Multiple sizes available
A selective post-emergent herbicide that controls Crabgrass and broad-leaf weeds on cool and warm season grasses.
Trimec Crabgrass Concentrate Quick View
Trimec Crabgrass Concentrate
4.5 out of 5 stars (3)
$32.98
Free Shipping!
A professional concentrated herbicide that controls over 200 common broadleaf weeds and emerged grassy weeds and features 6 to 8 hours of rainfast.
10%
Off Bonide Weed Beater Complete Quick View
Bonide Weed Beater Complete
3 out of 5 stars (1)
On Sale!
$36.88
Was: $40.98
Free Shipping!
A selective post & pre-emergent herbicide that kills and prevents broad-leaf and grassy weeds on home cool and warm-season lawns.
Image Crabgrass, Nutsedge & Weed Killer Concentrate For Lawns Quick View
Image Crabgrass, Nutsedge & Weed Killer Concentrate For Lawns
5 out of 5 stars (1)
$33.37
Free Shipping!
Selective herbicide concentrate that provides a quick and lasting kill of crabgrass, clover, dandelion, nutsedge, and more
10%
Off Bonide Sedge Ender RTS Quick View
Bonide Sedge Ender RTS
4 out of 5 stars (2)
On Sale!
$34.18
Was: $37.98
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.
Fertilome Weed Out With Crabgrass Killer RTU Quick View
Fertilome Weed Out With Crabgrass Killer RTU
4 out of 5 stars (1)
$25.82
Out of Stock
Free Shipping!
A professional herbicide that controls more than 200 broadleaf weeds and is proven rainproof for an hour after application.

What Is the Best Crabgrass Killer?

The best crabgrass killer depends on your grass type, the growth stage of the crabgrass, the treatment area, and other weeds you may need to control. For crabgrass that is already growing, choose a post-emergent herbicide labeled for crabgrass and your specific turf or treatment area.

 

How Do You Kill Crabgrass That's Already Growing?

To kill crabgrass that is already growing, apply a post-emergent herbicide labeled for crabgrass and your specific grass or treatment area. Crabgrass is generally easier to control when plants are young and actively growing, so identify and treat it early and always follow the herbicide label.

Be sure to read the product labels carefully to select one that’s best for your job and checkout our step-by-step guide for advice on how to get rid of crabgrass in your lawn.

Can't find the product you are looking for? E-mail us and we'll get it for you!

We sell professional do it yourself pest control (diy), exterminator and extermination insecticide, pesticide, chemical and bug killer treatment products to spray, eliminate and exterminate pests.

Many of our products are not available in stores such as Home Depot, Walmart or Lowes.