• Everything You Need To Know About Lawns - Learn how to prepare soil, sow seed and establish a healthy lawn, 9:30 to 11 a.m. Saturday, Echter's Garden Center, 9170 W. 52nd Ave. 303-424-7979. Free

• Native and Under-Used Perennials for Our Climate - 1 to 2 p.m. Sunday, Tagawa Garden Center & Florist, 7711 S. Parker Road. 303-690-4722 Ext. 101. Free

• Gardens as Sanctuary - Holly Shimizu, director of the U.S. Botanic Gardens at the National Arboretum, will speak on how to make your garden a sanctuary, 7 p.m. Thursday, Denver Botanic Gardens, 1005 York St. 720-865-3580. $16 members, $21 nonmembers, $25 day of event.

• Wet-Water Gardening Fun in 2007 - Learn about new products to enhance your water features, as well as ways you can help your ponds, fish and plants respond to our recent unusually cold and snowy winter; representatives from local garden centers answer questions, 7 to 9 p.m. April 11, Gates Hall at Denver Botanic Gardens, 1005 York St. Information, 303-843-9619

• Laid-Back Gardening - Learn how to have an attractive and low-maintenance garden by using native and adapted flowers and shrubs, 10 a.m. April 14, Paulino Gardens, 6280 N. Broadway. Registration, 303-429-8062. Free

• From Blueberries to Asian Pears - Explore the variety of fruit trees, bushes and vines that can be grown in our area and learn about culture, pests and diseases, pollination issues and tips for success, 9 to 11 a.m. April 14, Timberline Gardens, 11700 W. 58th Ave. 303-420-4060. $5

This weekend's must-do

• Colorado Cactus and Succulent Society Show and Sale - 8 a.m. to 7 p.m. Saturday and Sunday, Denver Botanic Gardens, 1005 York St. 720-865-3500

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.