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    What Does Crabgrass Look Like? - The Spruce

    • Like the crab of the ocean, crabgrass (botanical name Digitaria) is tough, has many legs (or stems), and is built low to the ground. Its procumbent growth habit is one reason why this annual weed is so succes… See more

    Quotes

    Keeping a low profile in the lawn, crabgrass eludes the mower blade when we mow the lawn. And unlike taller weeds, there's not much that can \"break\" on it, so it holds up well to foot … See more

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    Types

    It may surprise some to learn that there are different types of Digitaria: smooth crabgrass and hairy crabgrass. You're more likely to find the former in your lawn.… See more

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    Appearance

    As you might imagine, the hairy type (Digitaria sanguinalis) is so called because, if you inspect its leaves and stems, you will find many small hairs all over the plant. Likewise, t… See more

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    Morphology

    At maturity, the leaves of smooth crabgrass can measure as much as 5 inches long, although many factors influence the length of a particular blade. The leaf blades taper to a point. … See more

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    Is crabgrass an annual weed?
    Crabgrass may be an annual grassy weed, but it certainly seems to be perennial problem for homeowners. Preventing it every spring can be done, but without knowing more, that becomes the normal expectation and need every year. As a warm season annual, crabgrass will not show itself until weather conditions allow for germination.
    extension.illinois.edu
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    Types
    Appearance
    Morphology
    Is crabgrass an annual weed?
     
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