• Free Orchid-Growing Class - Learn how to grow orchids in Colorado's environment, 11 a.m. today, Fantasy Orchids Greenhouse, 830 W. Cherry St., Louisville. 303-666-5432

• 19th annual Spring Home & Patio Show - Featuring exhibits of home improvement projects, 20,000 feet of professionally landscaped gardens, seminars and more, today and Sunday, National Western Complex, I-70 and the Brighton Boulevard Exit. Admission $8, children under 12 free. 303-892-6800

• Free day at the Gardens - Colorado residents are invited to a free day at the Denver Botanic Gardens, 9 a.m. to 5 p.m. March 24, 1005 York St. 720-865-3500

• Organic Gardening and Mulching: Does it Really Matter? - 10 to 11:30 a.m. March 24, Timberline Gardens, 11700 W. 58th Ave. 303-420-4060. $5

• Create Your Own Home Energy Makeover Workshop and Home Tour - Environment Aurora has partnered with the Colorado Energy Science Center to teach you how to conserve energy in your home, 9 a.m. to noon March 24, Aurora Municipal Center, 15151 E. Alameda Parkway. To RSVP, call 303-216-2026, ext. 150.

• Home Improvement Classes for Women - Workshop offers hands-on classes in basic home-improvement skills, Tuesdays through Thursdays, 47 W. Alameda Ave. For classes, times and details, call 303-284-6354. Cost is $50 to $150.

• Governor's Residence tours - School groups are invited to visit the Governor's Residence, 10 a.m. to 2 p.m. May 1, 8 or 15. Reservations, 303-866-3682

Send calendar items to Elaine Goodman, Rocky Mountain News, 101 W. Colfax Ave., Suite 500, Denver, CO 80202; fax 303-954- 5407; or e-mail spotlight@RockyMountainNews.com.