All events are free or included in the cost of admission unless otherwise noted.
Roses in the Spring — Dusenberry River Public Library, 5605 E. River Road. Learn the right time to prune roses and to perform must-do maintenance. Ages 12 and up. 2-3:30 p.m. Jan. 16. 594-5345.
Living Lab Field Studies: Water Harvesting Irrigation Systems — Watershed Management Group, 1137 N. Dodge Blvd. Learn the fundamentals of planning and installing irrigation systems compatible with rain gardens, rain tanks, and water harvesting systems. Register at watershedmg.org/event/tucson?field_event_type_value=field. 5:30-8 p.m. Jan. 18. $30. 396-3266.
Yarnivores — Murphy-Wilmot Public Library, 530 N. Wilmot Road. Bring a brown-bag dinner and join a group devoted to the yarn art. 6-7 p.m. Jan. 18. 594-5420.
Friday Fun Knitters — Foothills Mall Food Court, 7401 N. La Cholla. Knit, crochet and needlework. 9:45-11:30 a.m. Jan. 19. 297-1745.
Roses in the Spring — Oro Valley Public Library, 1305 W. Naranja Drive. Learn the right time to prune roses and perform must-do maintenance. Ages 12 and up. 1:30-3 p.m. Jan. 19. 594-5580.
Fruit Tree Propagation — Kirk-Bear Canyon Public Library, 8959 E. Tanque Verde Road. Learn to grow desert-adapted fruit trees from cuttings. Fig, pomegranate, membriollo (quince), and other fruit trees will be discussed. 10 a.m.-noon. Jan. 20. 594-5275.
Tomatoes for the Desert — Eckstrom-Columbus Public Library, 4350 E. 22nd St. Learn how to grow tomatoes. Ages 12 and up. 10-11:30 a.m. Jan. 20. 594-5285.