Weeds – Identification with Pictures

Weed control in the landscape is a tough business. You have to know a lot about the weed in question just to get started!

As in most situations, a picture is worth a thousand words. Go through the sites below, then choose your method of weed control. Remember: healthy, vigorous lawn grass is the best weed deterrent.

Broadleaf weed killers (click for sources)

Pre-emergent weed preventers (click for sources)

Always read and follow the label.

 

Websites with Weed Pictures

Preen has terrific weed photos and a map that shows the most common weeds where you live: Weed ID from Preen

The University of Georgia has pictures of weeds at the Turfgrass Weed Management.

The University of Minnesota has a nifty identification feature: Is This Plant a Weed?

PBI Gordon Corp. sponsors an excellent weed identification website at WeedAlert. The germination notes on the weeds are particularly helpful.

The University of California has great drawings of plant parts that are easy to understand: Weed Photo Gallery

The University of Missouri lists lots of weeds and features nifty close-up pictures of the weed leaves, which really help.

Auburn University’s Weed Science department has good “in the field” photos of weeds. Look at the nutgrass photos – - – they show specifically how to tell yellow nutgrass from purple nutgrass.

The Virginia Tech Weed Index has lots of pictures, but you have to know the common name of the weeds before it will show them to you.

I found Weeds of Mississippi in a state 4-H weed contest study guide. It too requires you to know the common name and doesn’t have a thumbnail sketch of weed pictures.

Now that you’ve identified the weed, how do you control it?

Weed Control Basics

Further resources: Books

Weeds of the South by Charles Bryson and Michael DeFelice

Weeds of the Northern U.S. and Canada: A Guide for Identification
by France Royer and Richard Dickinson

Color Atlas of Turfgrass Weeds
(Ann Arbor Press)

With one of these in hand, you can wander down any sidewalk in your neighborhood and identify most weeds by sight!

Once you know exactly what weed you have, control gets so much simpler!


dallisgrass


bahiagrass


annual bluegrass


spurge

chickweed

chickweed

crabgrass

crabgrass

wild lettuce (lt) versus dandelion (rt)

wild lettuce (lt) versus dandelion (rt)

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