https://bit.ly/johnsongrass-guide
Click the link to learn more about Johnsongrass Control and shop the professional-grade products featured in this video!

Shop for Certainty Turf Herbicide here!
https://bit.ly/3WvVHAr

Shop for Barricade Granuler Pre-Emergent Herbicide here!
https://bit.ly/3UwV1rL

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Johnsongrass is a grassy weed that poses a particular problem for agricultural property owners. This weed not only reduces crop yields, but it is also toxic to grazing animals like cows or horses.

Johnsongrass typically grows in patches or clumps that can reach 3 to 7 feet in height. The plant’s leaves grow 6 to 20 inches in length and are 10 to 30 millimeters wide. The leaves have prominent white midveins, and they are usually hairless on both sides.

When this plant flowers, the inflorescence or flower head takes on an open panicle shape. The seeds take on a reddish-brown color as they develop.

Johnsongrass is a warm-season perennial. It germinates when soil temperatures reach 60 to 70 degrees Fahrenheit. This plant thrives in areas with moist, fertile soil.

Common sites where this weed can be found include lawns, crop fields, ditches, roadsides, and other disturbed sites. Johnsongrass flowers from May to October.

To eliminate Johnsongrass on commercial or residential properties, use a selective, post-emergent herbicide that’s labeled not to injure your property’s turfgrass.

We recommend you check out Certainty Turf Herbicide. Certainty is a water-dispersible granule made with Sulfosulfuron and controls weeds in warm-season turf.

To treat Johnsongrass, mix the labeled rate of 0.75 ounces of Certainty Turf Herbicide in 2 gallons of water per 1,000 square feet of treatment area. We recommend you mix and apply your product with a handheld sprayer or a backpack sprayer.

Spot-treat any Johnsongrass you’ve found. Use a fan or cone spray pattern to ensure the weeds are fully coated, and spray the weeds to the point of wet but not runoff. Be sure to spray on calm days when temperatures are not too hot and when wind speeds are low to minimize drift.

When applied properly, affected weeds will yellow and begin to die. Conduct follow-up applications as necessary. A reapplication with Certainty may be made 4 weeks after the initial treatment.

Applications are most effective when the plant is young and actively growing, before flower or seed production.

Johnsongrass is a perennial weed that spreads by seed and rhizome. The best way to prevent new plants from growing from seed is by applying a pre-emergent herbicide like Barricade. Barricade Granular Pre-Emergent Herbicide will form a chemical barrier in your soil that will prevent weed seeds from sprouting and emerging. Depending on your turf grass species, you’ll apply 1.5 to 4 pounds of product per 1,000 square feet. After application, water in the product with at least half an inch of water. Make an application in the fall to stop seeds from germinating in spring. An additional application may be made after 6 months for year-round weed prevention.

In addition to pre-emergent herbicides, we also recommend you promote the health of your turf to reduce the conducive conditions that allow weeds and disease to take hold.

Mow your grass at proper intervals to maintain a thick growing density. A lawn dense with taller trimmed grass is better able to choke out weeds and prevent them from establishing.

Reduce the shade cast on your lawn by trimming overgrown shrubbery and tree branches, rake away leaf litter and pick up any debris, and employ a proper watering schedule to provide the local grass with enough water to strengthen its roots, but not so much that will encourage weeds. Many grasses require 1 inch of water every week. Apply the water all at once in the morning so it has time to seep into the ground without evaporating in the sun.


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Click the link to learn more about Johnsongrass and shop the professional-grade products featured in this video!
https://bit.ly/johnsongrass-guide

If you have any questions, call us at (713) 955-2000

Thanks for watching!

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