Alicia Allred, from left, David Frey and Aaron Larson check out the winter produce Sunday at the Willmar Community Greenhouse on the MinnWest Technology Campus during an open house. Allred and Larson are Willmar High School students involved with the Willmar Public School Youth Energy Summit Team. Frey is a volunteer for the project who contributed a mylar infra red barrier used in potato chip bags that lines part of the wall in the greenhouse. Tribune photo by Ron Adams