Removing Broadleaf Carpet Grass

Control crab grass with a crab grass preventer in the spring.

Removing broadleaf carpet grass.

It produces unsightly weeds that resemble crabgrass and the lawn can appear coarse and unmown. Unlike other grasses broadleaf carpet grass can cope with scalping. Step 1 obtain a herbicide made specifically for broadleaf grass in the early to mid spring after the weeds have sprouted or in mid autumn. Several methods working together can help keep broadleaf grass under control.

Broadleaf weed identification is relatively simple because they stick out like a sore thumb. Water in the lime immediately after spreading. This will prevent it from growing back from any seed that could have been left behind. To clear out the weeds you need to dig deep into the soil using a weed tool to.

Even after a couple of weeks of rain and excessive growth broadleaf carpet grass can be mown easily and without scalping damage. Use a hard steel rake to remove the dead carpet grass five days after spreading the lime. The leaves look nothing like grass and although some of their flowers look pretty these weeds can quickly turn a great yard into a graveyard. Apply a crab grass pre emergence preventer between the first and third mowings in the spring.

A safe and eco friendly way to kill carpet grass is through the use of saltwater. Carpet grass does not grow at a ph of greater than 7 5 so a good dose of lime is usually all that is needed to kill your carpet grass. Carpetgrass gets its name from the carpet like mats the grass forms on a lawn where established. Eco friendly methods to kill carpetgrass carpet grass does not tolerate salt.

The height of broadleaf carpet grass can reach up to 15 centimetres 6 inches and the plant produces stems up to 45 cm 18 inches high where the seeds are formed. This is a big advantage during protracted periods of high rainfall in the wet tropics. Broadleaf carpet grass is sensitive to broadleaf herbicide and therefore is difficult to maintain as a monoculture single turf sward. Therefore in order to know how to kill weeds in lawn without killing grass you must first categorize the type of weed you are dealing with.

Foliage can be green and purple. The herbicides designed for broadleaf contain either 2 4 d 2 4 dp mcpp or dicamba. There was a varigated form of broadleaf carpet grass whitsunday white which was protected by plant breeder s rights pbr then terminated on 24 nov 2011 being sold in north. The lime will not harm most other grasses.

Make notes in the fall about where your crab grass seems to thrive and treat those areas in the spring. There are essentially three types of weeds the broadleaf weeds the perennial grassy weeds and the annual grassy weeds. Carpetgrass seed stalks have the ability to rapidly grow to a height of about a foot and bear unattractive seed heads that give the lawn a weedy. Once the carpet grass turns brown remove it from your lawn using a rake.

Here s what you need to know.