Buzz buzz. “Bees & Botany” is a hands-on science and art program designed for parents and preschoolers 3 to 5 years old. Children can develop science and art skills while learning more about bees and botany. The class is scheduled from 9 to 10 a.m. Tuesdays through Aug. 20. Meet in Horticultural Classroom 105 at Evergreen Arboretum & Gardens, 145 Alverson Blvd., Everett. The charge is $60 for a four-week series or $120 for all eight weeks. Register at www.imaginecm.org/bees-and-botany.
Summer pruning: A summer pruning class will be from 10 a.m. to 2 p.m. July 20 at the Evergreen Arboretum and Gardens, 145 Alverson Blvd., Everett. Learn proper pruning techniques at this hands-on workshop. Trevor Cameron from Sunnyside Nursery will cover the basic rules of pruning, concentrating on blooming shrubs (such as rhododendrons and azaleas) and thinning of trees for summer health and lasting beauty. Bring your own pruners. Free to members; $10 for non-members. Join online or day of class. More at www.evergreenarboretum.com.
Darrington Rock & Gem show and sale: 10 a.m. to 5 p.m. July 20-21, Mansford Grange, 1265 Railroad Ave., Darrington. Kids’ activities, free rocks, rock collecting maps, door prizes, custom rock cutting. More at discoverdarrington.com.
Quilts on the Beach: 10 a.m. to 4 p.m. July 27 at Cama Beach State Park, 1880 West Camano Drive. Planned are an open-air quilt show, sale and raffle by Cama Beach Quilters, with quilt-related activities for all ages. Free. Discover Pass required for parking. More at camabeachfoundation.org.
Summer-Fest: Free, from 1 to 3 p.m. July 27 at Evergreen Arboretum and Gardens, 145 Alverson Blvd., Everett. Bring the whole family to the arboretum. Spend the afternoon listening to music, playing games, making art and exploring the gardens. Family-friendly organizations from the community will be represented. More at www.evergreenarboretum.com.
Antique tractor show and threshing bee: The annual show is Aug. 9-11 at the Stanwood-Camano fairgrounds, 6431 Pioneer Highway, Stanwood. All makes and models, for both gardens and farms. More at www.skyvalleyantiquetractor.com.
Maplewood Rock & Gem Sale: 9 a.m. to 5 p.m. Aug. 10, 10 a.m. to 5 p.m. Aug. 11, 8802 196th St. SW, Edmonds. Rough rocks, minerals, fossils, jewelry. Free rocks for kids. More at www.maplewoodrockclub.com.
Everett Dahlia Show: Colorful display of more than 2,500 dahlias, 1 to 6 p.m. Aug. 17, 10 a.m. to 4:30 p.m. Aug. 18, Floral Hall at Forest Park, 802 E. Mukilteo Blvd. Free. Prizes awarded to winning entries. Vote for your favorites. More at www.everettwa.org/632.
Master Gardener Hotline & Diagnostic Clinic: Call 425-357-6010 to talk to a master gardener or visit Snohomish County’s walk-in clinic at the WSU Extension office in McCollum Park, 600 128th St. SE, Everett. Hours are 9 a.m. to 4 p.m. Monday through Friday, April through September, and 11 a.m. to 3 p.m. Monday through Thursday, October through March. More at www.extension.wsu.edu/snohomish/garden/master-gardener-program.