All events are free or included in the cost of admission unless otherwise noted.
Tucson Modern Quilt Guild: Quilting on Display — Joel D. Valdez Main Library, 101 N. Stone Ave. Group meets monthly and schedules days to get together and sew. Making quilts to donate to local and national charities. Follow blog at tucsonmodernquilts.com or contact us firstname.lastname@example.org. 1-5 p.m. May 20; 9 a.m.-6 p.m. May 21-24; 9 a.m.-5 p.m. May 25; 10 a.m.-5 p.m. May 26. 791-4010.
Garden Tours — Pima County Cooperative Extension, 4210 N. Campbell Ave. A master gardener volunteer will lead a tour through the gardens. Ages 12 and up. 9-10 a.m. May 23 and 26. 626-5161.
Is it A Cactus or A...Sparagus — Saguaro National Park East, 3693 S. Old Spanish Trail. 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. May 24. 733-5153.
Gray Water Harvesting Class: Tucson Water Rebate — Watershed Management Group, 1137 N. Dodge Blvd. Include an introduction to gray-water harvesting, a tour of gray-water harvesting features at the site, and information about the rebate. Register online (watershedmg.org/event/tucson?field_event_type_value=rebate). 5-7 p.m. May 24. 396-3266.
Yarnivores — Murphy-Wilmot Public Library, 530 N. Wilmot Road. Bring a brown-bag dinner and join a group devoted to yarn art. 6-7 p.m. May 24. 594-5420.
Friday Fun Knitters — Foothills Mall Food Court, 7401 N. La Cholla Blvd. Join us to knit, crochet and do needlework. All levels. 9:45-11:30 a.m. May 25. 297-1745.
Living Lab and Learning Center Free Tour — Watershed Management Group. Bring the kids to enjoy the Raindrop Retreat, a children’s playhouse featuring a rain tank, play kitchen with gray water, and sandbox. Register online (watershedmg.org/event/tucson?field_event_type_value=livinglab). 8-9:30 a.m. May 26. 396-3266.