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Questions tagged [crabgrass]

Common name for Digitaria, a creeping grass that can become a problem weed.

Crabgrass (also written as 'crab grass') is the common name for Digitaria, a genus of about 300 species of .

The two main problem species are Digitaria sanguinalis and Digitaria ischaemum. Both of which have high growing branching but can adapt to grow close to the earth in mats.

Where allowed to flourish, crab grass will choke out the surrounding grass and leave depressions in the .

Digitaria sanguinalis

Photo of Digitaria sanguinalis by Matt Lavin.

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Boiling water to kill weeds?

Last summer I found that boiling water will kill weeds, and kills them quick. However boiling water takes time and a large individual crabgrass would take a whole pot of boiling water to kill the weed. My question asks if anyone knows of any other…
Bryan Hearn
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Is there a selective herbicide for crabgrass that can be applied during high temps?

I'm in Alabama zone 8a, and crabgrass is taking over my Zoysia lawn. I just purchased the home and was not able to put down a spring preemergent. The crabgrass infestation is pretty thick in spots and spreading. The average daily temps are above…
Phillip Brantley
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Pull Crabgrass before overseeding?

I'm planning ahead for over seeding this fall. There's a section of my yard that is virtually all Crabgrass. Does it make sense to pull it all up by hand or use a herbacide before putting down the new seed? I want to ensure the seed makes good…
John Russell
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My yard is being taken over by crabgrass. How do I get rid of it?

As my question states half my yard is taken over by crab grass, how do I kill it off, and rejuvenate my yard while preventing more take overs?
staples
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Help with this grass

I am seeing this grass all over the lawns here in Southeastern Pa. Any idea what this is?
Tom M
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What is this? Not: crabgrass, fescue clumps, quackgrass? Course and bright yellow?

I'm stumped on this one ... as I've tried to compare growing patterns with the forum and it doesn't quite fit the crabgrass. quackgrass or fescue clump category as it's not really concentrated in one area or does fan out from one central root. But…
magicmanwest
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Will pre-emergent kill new wildflower seeds

We have had a serious crabgrass problem since we bought our house. This is on a slope that we don't want to have to mow and are looking at wildflowers as something that could out compete the crabgrass. Will pre-emergent used to kill crabgrass…
Mangusta
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What are some ways to dig up the wild grass and level the area?

I have a backyard that is not flat/level. There is wild grass and weeks growing. I was trying to dig it up using a shovel and the roots of the wild grass is pretty deep. Once I’m able to push pass the grass and into the dirt O can kind of lever…
milesmeow
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Crab grass along margins of lawn

My lawn is very healthy and happy, but all around the paved margins of the lawn crab grass is growing. The crab grass does not grow where the lawn abuts unpaved ground. For example, where there are mulched areas or wooded areas or forested areas,…
Andre Lenotre
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