TPI is currently upgrading our membership database in order to provide you with an improved membership experience. You will be receiving information regarding the new member login process soon. In the meantime, TPI staff members can help you access members-only portions of the website. You can contact them via phone at 847-649-5555 or via email at or

The Lawn Institute

Support TLI

Support TLI’s mission to further education, fund research, and help promote our outreach efforts to build greater awareness about the many benefits of natural grass.

Thanks to all the support that TLI has received in the past we have created two new donation levels to honor our generous supporters. Donations made in the calendar year will receive the following recognition:

Visit the Lawn Institute to learn more about our programs.

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