Will Tenacity Kill Kentucky Bluegrass?

Tenacity herbicide is designed to selectively target and control weeds without harming desirable turfgrass species such as Kentucky Bluegrass.

It’s a systemic herbicide that works by inhibiting photosynthesis in targeted weed species, leading to their eventual death, while Kentucky Bluegrass remains unaffected when Tenacity is applied according to the product’s label instructions.

Will Tenacity Kill Kentucky Bluegrass?

No, Tenacity will not kill Kentucky Bluegrass when used appropriately.

It is formulated to control a wide range of weeds, including crabgrass, nimblewill, and clover, making it an effective tool for maintaining a healthy, weed-free Kentucky Bluegrass lawn.

Effective Use of Tenacity in Kentucky Bluegrass Lawns

  • Selective Weed Control: Tenacity targets specific weed species without harming Kentucky Bluegrass, thanks to its selective action.
  • Application Guidelines: For new Kentucky Bluegrass seedlings, Tenacity should be applied at or shortly after seeding. On established lawns, ensure the grass is healthy and actively growing before application.
  • Safety and Efficacy: Following the label directions is crucial for the safe and effective use of Tenacity, ensuring it targets weeds without impacting Kentucky Bluegrass.

FAQs on Tenacity and Kentucky Bluegrass

How does Tenacity work? Tenacity works by inhibiting a plant enzyme needed for photosynthesis, causing targeted weeds to turn white and die over time, while leaving Kentucky Bluegrass unharmed.

Can Tenacity be used for pre-emergent weed control in Kentucky Bluegrass? Yes, Tenacity can be applied as a pre-emergent herbicide to control weeds before they germinate in Kentucky Bluegrass lawns.

What are some tips for applying Tenacity in a Kentucky Bluegrass lawn? Apply Tenacity with a surfactant to improve adherence to weed leaves, and follow up with a second application 2-3 weeks after the first for best results.

Are there any restrictions on mowing or watering after applying Tenacity? Avoid mowing immediately before and after application to ensure Tenacity is effectively absorbed by weeds. Watering the lawn 24 hours after application can help activate the herbicide.

In Summary

  • Tenacity is a selective herbicide that, when used as directed, does not harm Kentucky Bluegrass but effectively controls a variety of weeds.
  • Application timing and adherence to label instructions are key to using Tenacity safely and effectively in Kentucky Bluegrass lawns.
  • Monitoring the lawn after application helps assess Tenacity’s effectiveness and determine if additional treatments are necessary.

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