Thanksgiving Point will sponsor a series of classes on constructing a solar greenhouse, Jan. 8, 15, 22 and 29, from 1-3 p.m. or 6-8 p.m. Cost is $40. Call 768-4971 or log on to www.thanksgivingpoint.com.

Thanksgiving Point will offer an advanced landscape design course Jan. 8, 15, 22 and 29, from 10 a.m.-noon. Cost is $40. Call 768-4971 or log on to www.thanksgivingpoint.com.

Wasatch Community Gardens will sponsor a workshop on "How to Start a Community Garden," Jan. 26, 9 a.m.-noon and 1-4 p.m., at the Salt Lake City Library, 300 East and 400 South. Seating is limited. A $5 donation is suggested. To reserve a spot, call 359-2658.