Intro #2: Painting With Acrylics - Boyce Thompson Arboretum, 37615 Highway 60, Superior. Learn the basics in a three-day class with artist Sue Ann Dickey. 1 p.m. Feb 23-25. $135 enrollment includes three afternoons of instruction and park admission. 1-520-689-2723.


Sit and Knit - Kirk-Bear Canyon Library, 8959 E. Tanque Verde Road. All levels invited to knit and crochet together. 1-3 p.m. Tuesdays. Free. 594-5275.


Free Demonstration Garden Tour - Pima County Cooperative Extension, 4210 N. Campbell Ave. Groups of more than eight please register ahead. 9-10 a.m. Every second, third and fourth Wednesday and Saturday. Free. 626-5161.

Birds and Gardening Tour - Tucson Botanical Gardens, 2150 N. Alvernon Way. 10 a.m. the first and fourth Wednesdays. Included with garden admission: $13. 326-9686, Ext. 10.

Plant Clinic With Paul Bessey and Associates - Tucson Botanical Gardens, 2150 N. Alvernon Way. Retired University of Arizona plant sciences professor will answer questions on plant pests, disease and nutrient deficiencies. 10 a.m.-noon Wednesdays. Included with $13 admission. 326-9686, Ext. 10.


Yarnivores - Murphy-Wilmot Library, 530 N. Wilmot Road. Join us for a brown-bag dinner group devoted to the yarn arts. Bring your dinner. Bring a project. Bring your witty banter. Don't forget the yarn. 6 p.m. Thursdays. Free. 594-5420.


Exploring Tucson Botanical Gardens - 2150 N. Alvernon Way. Tour includes plant trivia, history of the gardens, native flora and Tucson plant varieties. 10-11 a.m. Fridays. Included with $13 admission. 326-9686, Ext. 10.

Friday Fun Knitters - Foothills Mall, 7401 N. La Cholla Blvd. Knitters of any skill level are welcome. Meet in the food court. 10 a.m. Fridays. Free. 293-0781.

Urban Yarns @ the Library - Joel D. Valdez Main Library, 101 N. Stone Ave. Calling all downtown knitters and crocheters. Meet fellow fiber fanatics, peruse the library's latest fiber-themed books, and find inspiration for your next project. 11 a.m.-1 p.m. Fridays in February. Free. 791-4010.

Growing Citrus in Tucson - Harlow Gardens, 5620 E. Pima St. 2-3 p.m. March 1. Free. 298-3303.