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How to Identify Lawn Weeds in Arizona

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How to Identify Lawn Weeds in Arizona

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Overview

Even in the desert regions of the American Southwest, lawn weeds can still take over a landscape. Arizona has many native lawn weeds that must be identified before pulling them out or using a herbicide. One of the best ways to identify Arizona lawn weeds is to get a grass-weed field guidebook with pictures. This will ensure that you identify them correctly so you know exactly how to deal with them.

Step 1

Look for colored weeds, such as the purple-green bottle-brush barnyard grass. These grow up to 2 inches tall and need to be removed at an early stage.

Step 2

Identify one of the more common Arizona lawn weeds, bluegrass. This perennial thrives on landscapes that are well hydrated with either a good irrigation system or a place where water gathers from rain. From March to September, this weed pops up with 4-inch-long leaves and green bushy stems.

Step 3

Look for spreading weed clumps from June to November to identify common green foxtail or bristle grass. Usually these lawn weeds have leaves that are at least half a foot long and broad. Sometimes bristle grass has purplish bristles that pop up.

Step 4

Look from April to November for some of the largest Arizona lawn weeds, Johnson grass. This weed grows up to 7 feet tall, primarily on unmaintained lawns and in ditches or washes.

Step 5

Check rock garden areas for wild oat grass. The tall, thin, textured stalks grow 3 to 9 inches tall and have small flowering bristles on top. Since they don't need a lot of water to live, they can grow in areas such as rock scapes or dirt lawns.

Step 6

Identify rabbit-foot lawn weeds from March to October. This yellow-green weed has spiked tan or yellow flowers and thick layers. Rabbit foot flourishes in washes and rocky areas.

Things You'll Need

  • Grass-weed field guidebook

References

  • Landscape America: Photo Weed Guide
  • University of Arizona: Illustrated Guide to Arizona Weeds
Keywords: identify Arizona weeds, weeds in Arizona, identify lawn weeds, ID Arizona weeds

About this Author

Lauren Wise has more than eight years' experience as a writer, editor, copywriter and columnist. She specializes in food, wine, music and pop culture. Her writing has appeared in various magazines, including "Runway," "A2Z," "Scottsdale Luxury Living" and "True West." Wise holds a Bachelor of Arts in journalism from Arizona State University.