• Please Note: If you have questions about an order you placed, shipping policies, product availability or product returns, please do not use this form. Direct these questions to our customer support center or by calling 866-581-7378.

    Most product questions are answered within 24 hours.
    Not all questions and answers will appear on our website. Thank you for choosing DoMyOwnPestControl.com!
  • * (limit 110 characters)
  • (optional)
  • *
  • *
  •   (city, state)
  •     Cancel

Q&A Home

Karen writes,

What is the area that one envelope of Merit 75 WSP will cover?


The coverage area of 1 envelope of Merit 75 WSP will depend entirely on the type of pest you are treating and the area that is being treated.  Here are some general guidelines:

There are 4 x 1.6 oz water soluble packets in each envelope.

For Turf grass-:  1.6 oz (1 packet) per 8,250 sq ft to 11,000 sq ft.

For Foliar applications of trees, shrubs: 1.6 oz (1 packet) per 300 gal water

For Systemic applications of trees:  1.6 (1 packet) per 24-48 cumulative inches trunk diameter

For Systemic applications of shrubs: 1.6 (1 packet) per 24-48 cumulative feet shrub height

Merit WSP label:


Easy to understand mixing instructions at bottom of page:



Answer last updated on: 02/01/2010

1 of 2 people found this answer helpful. Was it helpful to you?   Yes No