By DoMyOwn staff
Horsetail weeds are hardy and tough to eliminate, but with the right lawn maintenance practices and weed control products, you can get rid of horsetails on your lawn.
Horsetail is a stubborn, perennial weed that spreads easily through underground root networks and spore-bearing stalks. While this weed can be hardy, with the right lawn maintenance and weed control products, you can get rid of horsetail weeds.
Horsetail weeds are often found in landscaped areas, and prefer damp, acidic soil. They frequently appear in developed spaces around homes where soil conditions are right. They are also plentiful in most states across the country in wooded areas and roadside spaces where water may gather. They are not commonly found in the Gulf Coast states.
Horsetail grows in two forms throughout its growing season. The first spore-bearing form will pop up in the early spring and resemble a brown, leafless stalk with asparagus-like tips. After distributing its spores, it will die off, but leaves a root system underground that can grow as deep as six feet depending on soil conditions. Then, in the late spring and summer, the second form will sprout and grow. You’ll see a thin, tall, feathery stalk that reaches up to two feet in height. If left untreated, horsetail will then remain active until the first frost.
One of the key steps for controlling horsetail weeds around your property is improving your lawn conditions. Focus on addressing drainage problems to eliminate standing water or soil saturation. Adding amendments to your soil to raise the pH level, and fertilizing regularly to promote healthy turfgrass growth. Don’t cover it with mulch, as this weed thrives under it.
You can also control or suppress horsetail weeds growing among turfgrass and other desirable plants by the strategic use of herbicide products. A selective post-emergent herbicide with the active ingredient Halosulfuron-methyl is an effective option. Consult the product label for mix rates and full application instructions.
If selective herbicides and soil amendment use are not eradicating horsetail in your lawn, you may need to spot treat the weeds with a non-selective herbicide. When using non-selective herbicides, spot-treat the horsetail weeds directly while avoiding surrounding desirable plants. Keep in mind that non-selective herbicides will get rid of any plant you treat. Some products may suggest other means of application to horsetail plants, such as an injection at the base of the stalks.
Always wear the appropriate PPE - including chemical resistant gloves, long sleeves, long pants, closed-toe shoes—when preparing or applying any herbicide product. Read the product label for full application details, timing instructions, and mix rates. These instructions may include directions for watering or mowing the area before or after the application.
Keep in mind that repeat applications may be needed for established weeds. With proper lawn maintenance and timely use of the right weed control products, you can control horsetail weeds with confidence.
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