Hot Summer Color - Harlow Gardens, 5620 E. Pima St. Learn which flowers and shrubs will take the heat and give your garden a great show. 2-3 p.m. April 21. Free. 298-3303.
Energy Wasteline Workshop - Valencia Branch Library, 202 W. Valencia Road. Easy, low-cost tips to conserve energy and stay comfortable while reducing monthly energy bills. 10 a.m.-noon. April 22. Free. 594-5390.
Canyon Knitters - Kirk-Bear Canyon Library, 8959 E. Tanque Verde Road. Bring your needles, hooks and yarn to an unstructured gathering of novices to experienced knitters. Look at the latest fiber-themed books. 1-3 p.m. Tuesdays. Free. 594-5275.
Card-Making Workshop - SAAG Studio and Gallery, 7121 N. Oracle Road. Instructions on the making of personal, one-of-a-kind greeting cards. Materials provided, but if you have personal items you would like to include on your card, such as a drawing or notions meaningful to you, bring them. 9 a.m.-noon. April 23. Free. 437-7820.
Don't Borrow Trouble! Credit Report/Credit Repair - Ellie Towne Community Center, 1660 W. Ruthrauff Road. How to view and understand your credit report to ensure it is correct, what the elements are in credit scoring and strategies to improve it. Reservations required. 2-3 p.m. April 23. Free. 594-5225.
Birds and Gardening Tour - Tucson Botanical Gardens, 2150 N. Alvernon Way. This 45-minute tour explores the plants and gardening practices that will attract birds. Look for and identify the birds that visit the gardens and urban Tucson. 10 a.m. the first and fourth Wednesday of each month. Included with gardens Admission. 326-9686, Ext. 10.
Free Demonstration Garden Tour - Pima County Cooperative Extension, 4210 N. Campbell Ave. The Pima County Master Gardeners guided tours of the gardens on Campbell Ave. Groups over 8 please register ahead. 9 a.m. April 27. Free.626-5161.
The Tucson Water Gardeners Monthly Meeting - Junior League of Tucson, 2099 E. River Road. Speaker and questions and answers on pondings and aquatic plants. 7:30-9 p.m. fourth Thursday of the month. Free. 760-5565.
Yarnivores - Murphy-Wilmot Library, 530 N. Wilmot Road. Brown-bag dinner group devoted to the yarn arts. Bring your dinner and a project. 6 p.m. Thursdays. Free. 594-5420.
Garden Explorers - Tucson Botanical Gardens, 2150 N. Alvernon Way. Garden Geckos introduces children to the natural world through exploration at the gardens. Each week will include outdoor time and a variety of activities. Program fees are for the entire four-week series and include one child (2-5 years old) and one parent. 9:30-10:30 a.m. Fridays. $50. 326-9686, Ext. 19.
Summer Flowers on a Budget - Harlow Gardens, 5620 E. Pima St. Planting a beautiful summer flower garden can be easy and beautiful if planted from seed. 2-3 p.m. April 26. Free. 298-3303.
Friday Fun Knitters - Foothills Mall, 7401 N. La Cholla Blvd. Knitters of any skill level are welcome. Meet at the food court. 10 a.m. Fridays. Free. 293-0781.
Gray Water Rebate Class - UA Pima County Cooperative Extension, 4210 N. Campbell Ave. Two-hour workshop about Tucson Water's Single Family Residential Gray Water Rebate Program; receive reimbursement up to $1,000 when a permanent gray-water irrigation system is installed in your home. 1-3 p.m. April 27. Free. 626-5161.
Planting watermelon for kids - Harlow Gardens, 5620 E. Pima St. Planting party for ages 3 to 5. Kids can take their melon home and watch it grow in their garden. Also, craft project for the kids. 10-11 a.m. April 27. Free. 298-3303.
Rainwater Harvesting Rebate Incentives Program - Pima County Cooperative Extension, 4210 N. Campbell Ave. Designing a passive and active rainwater-catchment system for a residential landscape. 9 a.m. April 27. Free. 626-5161.
Tucson Bonsai Society Spring Show - Yume Japanese Gardens of Tucson, 2130 N. Alvernon Way. Dozens of miniature trees and shrubs will be on display. Bonsai Society members will offer tips on selecting and training plants and give demonstrations of pruning techniques. 9:30 a.m.-4:30 p.m. April 27-28. $9; discounts available. 445-2957.
Ragamuffin Mini-Quilt - Kaitlin's Creative Cottage, 740 N. Main Ave. Create a small hand stitched story square from fabric, paper and ephemera suitable for framing. 10 a.m.-12:30 p.m. April 27. $20, all supplies included. 622-6161.