All Donations make you a member.

1.  Participate in Colorado Gives year round


2.  Sustaining Membership

When you donate with an monthly automatic payment, you support GGP’s professional horticulturalist’s part-time salary. Go to or to the Sustaining Membership page today!

3.  Annual Membership

An annual membership is $25 or more.  To make a one-time tax-deductible donation, go to or the Annual Membership page to make your donation now!

4.  Use AmazonSmile and GGP receives donations

AmazonSmile is an easy way to support Geothermal Greenhouse Partnership, every time you shop Amazon. Go to and log on just like regular Amazon. There’s no cost to you. On your first visit to AmazonSmile, select Geothermal Greenhouse Partnership to receive donations before you start shopping. Then, shop as usual. Thank you!