April Pools Day, Seattle

Swimming and boating water safety activities for all ages in and out of the water, 9:30-10:30 a.m. Saturday, Meadowbrook Pool, 10517 35th Ave. N.E. (206-684-4989); 10:30 a.m.-noon Saturday, Rainier Beach Pool, 8825 Rainier Ave. S. (206-386-1925); 10:30 a.m. Saturday, Southwest Pool, 2801 S.W. Thistle St. (206-684-7440); 12:30 p.m. with 1:30-2:30 p.m. free swim Saturday, Ballard Pool, 1471 N.W. 67th St. (206-684-4094); 1:30-3 p.m. Saturday, Evans Pool, 7201 E. Green Lake Drive N. (206-684-4961); 1:30-3 p.m. Saturday, Medgar Evers Pool, 500 23rd Ave. (206-684-4766); 3:30-4:30 p.m. Saturday, Queen Anne Pool, 1920 First Ave. W. (206-386-4282); 3:30-5:30 p.m. Sunday, Helene Madison Pool, 13401 Meridian Ave. N., Seattle (206-684-4979); free (www.seattle.gov/parks/pools.asp).

Earth Day, Olympic Sculpture Park: Environmental activities for all ages, park tours, art making inspired by the natural world, music, 10 a.m.-3 p.m. Saturday, Olympic Sculpture Park, Broad Street and Elliott Avenue, Seattle; free (seattleartmuseum.org).

Native Arts and Artists Day: Celebration of Northwest Native art, demonstrations and display of artwork of local Native American artists including weaving, basketry, beadwork, art activities for kids and adults, talks, 10 a.m.-4 p.m. Saturday, Burke Museum of Natural History and Culture, University of Washington, Seattle; $7.50-$10 (206-543-5590 or www.burkemuseum.org).

Unlimited Digital Access. $1 for 4 weeks.

Youth Sailing Open House: Information on boating programs from organizations for kids from five years old through high school, land and on-water activities, 11 a.m.-3 p.m. Saturday, Magnuson Park, 7400 Sand Point Way N.E., Seattle; free (206-789-7350 or www.sailsandpoint.org

Newcastle Earth Day: Living in Harmony with Nature themed information from green businesses and organizations, kids’ activities, vendors, music by the Boeing Employees’ Concert Band, Hazen Jazz Band, native tree giveaway, vendors, live raptors, frog display, petting zoo, electric vehicle car show, food trucks, 10 a.m.-3 p.m. Saturday, Lake Boren Park, Southeast 84th Avenue and Coal Creek Parkway Southeast, Newcastle (www.newcastleweedwarriors.org

Spring Plant Sale: Annuals, perennials, shrubs, trees, native plants, berries, ferns from 30 specialty vendors, food truck, 9 a.m.-3 p.m. Saturday, Rhododendron Species Botanical Garden, 2525 S. 336th St., Federal Way (253-838-4646 or www.rhodygarden.org

Arboretum Rhodies:
Walking tour highlighting rhododendrons in bloom, 1 p.m. Sunday, Graham Visitor Center, 2300 Arboretum Drive E., Seattle; free (206-543-8800 or www.uwbotanicgardens.org).

Madeline McKenzie: mmckenzie@seattletimes.com.