The Spirit of Ikebana: Traditional Japanese Flower Arranging — Yume Japanese Gardens of Tucson. Watch a demonstration and learn the history of Ikebana. 10-11:30 a.m. Oct. 13. $10. 303-3945.

The Spirit of Ikebana

All events are free or included in the cost of admission unless otherwise noted.

Sunday

Bats, Cacti and Secrets of the Sonoran Desert — Tohono Chul Park, 7366 N. Paseo del Norte. “No Species is an Island” by Theodore Fleming. 2-3 p.m. Oct. 8. 742-6455.

Tuesday

Rainwater Harvesting Class: Tucson Water Rebate — Watershed Management Group, 1137 N. Dodge Blvd. A brief tour of water harvesting features on site, an introduction to rainwater harvesting, information about the Tucson Water Rainwater Harvesting Incentives Rebate Program and a design process. Register on line at watershedmg.org. 3-6 p.m. Oct. 10. 396-3266, Ext. 22.

Herbs — El Rio Public Library, 1390 W. Speedway. Learn which herbs do well in pots and when all the different varieties of herbs should be planted. Ages 12 and up. 4-5:30 p.m. Oct. 10. 594-5245.

Wednesday

Demonstration Garden Tours — Pima County Cooperative Extension, 4210 N. Campbell Ave. Master gardener volunteer lead a walk through the gardens. Ages 12 and up. 9-10 a.m. Oct. 11. 626-5161.

Friday

Friday Fun Knitters — Foothills Mall Food Court, 7401 N. La Cholla Blvd. Knit, crochet and needlework. 9:45-11:30 a.m. Oct. 13. 297-1745.

Is it A Cactus or A...sparagus — Saguaro National Park East, 3693 S. Old Spanish Trail. Come learn the difference between the two most famous families of desert plants on this short stroll in the cactus garden. 10-10:30 a.m. Oct. 13. 733-5153.

The Spirit of Ikebana: Traditional Japanese Flower Arranging — Yume Japanese Gardens of Tucson. Watch a demonstration and learn the history of Ikebana. 10-11:30 a.m. Oct. 13. $10. 303-3945.

Adjusting to Desert Gardening — Oro Valley Public Library, 1305 W. Naranja Drive. Learn the best practices for successfully making the transition to desert gardening. Ages 12 and up. 1:30-3 p.m. Oct. 13. 594-5580.

Saturday

Demonstration Garden Tours — Pima County Cooperative Extension. Master gardener volunteer lead a walk through the gardens. Ages 12 and up. 9-10 a.m. Oct. 14. 626-5161.

Fall Plant Sale — Tohono Chul Park. Typical and the unusual, native, cold-hardy, and arid-adapted plants from agaves to Zauschneria and everything in-between. Bring a wagon, but we will have plenty on hand if you don’t have one. 9 a.m.-5 p.m. Oct. 14 and 15. 742-6455.

Living Lab and Learning Center Tour — Watershed Management Group on Dodge and Speedway, 1137 N. Dodge Blvd. A WMG staff members or trained volunteers will give an interactive walking tour to learn about all the systems in detail and what can be done at a home. Register online. 9-10:30 a.m. Oct. 14. 396-3266, Ext. 22.

Herbs — Murphy-Wilmot Public Library, 530 N. Wilmot Road. Learn which herbs do well, which ones do best in pots, and when all the different varieties of herbs should be planted. Ages 12 and up. 10-11:30 a.m. Oct. 14. 594-5620.

Meeting of the Tucson Area Iris Society: Andy Bessey — Murphy Wilmot Public Library, 530 N. Wilmot Road. Iris Companion Plants. Learn about growing plants along with irises to create an ongoing panorama of color. 12:30-4:30 p.m. Oct. 14. 594-5420.

Vegetable Gardening in te Desert — Harlow Gardens, 5620 E. Pima St. Learn how to grow salad greens and other season vegetables. 2-3 p.m. Oct. 14. 298-3303.

Cool-Season Vegetable Gardening — Himmel Park Public Library, 1035 N. Treat Ave. Learn how to grow fresh vegetables during the cool fall and winter seasons. Ages 12 and up. 3-4:30 p.m. Oct. 14. 594-5305.