How to Kill Ryegrass

Beginner 45 min 18 steps 6375 views Rating: 4.3/5 Published: 2026-02-08

Spray your ryegrass between April 15 and May 1.. Apply herbicides before ryegrass grows to 8 inches (20 cm) in height.. Use an herbicide that includes glyphosate if you want a prepared mix.

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Steps

1

Spray your ryegrass between April 15 and May 1.

Step 1

Spray your ryegrass between April 15 and May 1.

2

Apply herbicides before ryegrass grows to 8 inches (20 cm) in height.

Step 2

Apply herbicides before ryegrass grows to 8 inches (20 cm) in height.

3

Use an herbicide that includes glyphosate if you want a prepared mix.

Step 3

Use an herbicide that includes glyphosate if you want a prepared mix.

4

Purchase herbicide mix components if you're making your own.

Step 4

Purchase herbicide mix components if you're making your own.

5

Fill the sprayer tank half-full with water, then add the mix.

Step 5

Fill the sprayer tank half-full with water, then add the mix.

6

Spray your herbicide mix on your ryegrass using your sprayer.

Step 6

Spray your herbicide mix on your ryegrass using your sprayer.

7

Conduct a second application in the following fall.

Step 7

Conduct a second application in the following fall.

8

Find the patches of ryegrass that you want to kill.

Step 8

Find the patches of ryegrass that you want to kill.

9

Sprinkle white chalk powder on your ryegrass locations.

Step 9

Sprinkle white chalk powder on your ryegrass locations.

10

Use your mower to cut your grass to 1.5 to 2 inches (3.8 to 5.1 cm).

Step 10

Use your mower to cut your grass to 1.5 to 2 inches (3.8 to 5.1 cm).

11

Stop watering your ryegrass for the 2 weeks after mowing.

Step 11

Stop watering your ryegrass for the 2 weeks after mowing.

12

Cover the mowed regions with a plastic sheet.

Step 12

Cover the mowed regions with a plastic sheet.

13

Use a thatch rake to remove dead grass from your lawn.

Step 13

Use a thatch rake to remove dead grass from your lawn.

14

Locate the ryegrass you want to remove.

Step 14

Locate the ryegrass you want to remove.

15

Sprinkle white chalk powder on ryegrass to identify it.

Step 15

Sprinkle white chalk powder on ryegrass to identify it.

16

Use your spade to dig 2 inches (5.1 cm) around the marked area.

Step 16

Use your spade to dig 2 inches (5.1 cm) around the marked area.

17

Cover your ryegrass regions with a landscaping fabric.

Step 17

Cover your ryegrass regions with a landscaping fabric.

18

Remove the fabric after 14 days and dig up the dead grass.

Step 18

Remove the fabric after 14 days and dig up the dead grass.

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