Mountain States

Fall Lawn Winterizer


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Formulated specifically for the intermountain region, this Fall Winterizer from Mountain States protects from bitterly cold or prematurely warm temperature extremes during the winter.



  • Protects and Prepares up to 5,000 sq. ft.
  • Promotes deep root growth for winter survival.
  • Provides a thicker, greener lawn in the spring.
  • Excellent for newly sodded or seeded lawns.
  • 19% nitrogen - 5% phosphate - 3% potash
NOTICE: Some products in this store can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please check the product label for warning information. For more information go to We cannot ship any products into California that are affected by Proposition 65.

SHIPPING CHANGES: Due to new sales tax rules in the state of Colorado, effective June 1, 2019, purchases made online through JAX Mercantile for customers in the state of Colorado will only be able to be shipped to addresses within JAX current tax jurisdictions in Fort Collins, Loveland, Lafayette, and Broomfield. Customers in the state of Colorado who do not have shipping addresses within these zip codes may still opt for in-store pickup at any JAX store location when making a purchase on the JAX website. Learn more on our shipping and returns page.

Customer Service: (970) 488-3250 EXT 1 Monday - Friday 9am to 5pm MTN                  WE'RE HIRING!