Weekend calendar

Sno-King International

Folk Dance Club

SAT Skills and easy dance review, 7 p.m., dance instruction, 7:45 p.m., international folk dancing, 8:30-10:45 p.m. Saturday, Cedar Valley Grange, 20526 52nd Ave. W., Lynnwood; $5-$7 (425-385-2088 or www.sno-king.org). Community Contra Dance

SUN Potluck, bring a dish to share, your own plate and utensils, 5 p.m.; open band contra dance, beginners welcome, 6-8:30 p.m. Sunday, Gift of Grace Lutheran Church, 2102 N. 40th St., Seattle; $5/person or $10/family (www.seattledance.org).

Easter Dance

SUN Nightclub two-step lesson, 7 p.m., dance with music by Maia Santell and House Blend, 8-11 p.m. Sunday, China Harbor, 2040 Westlake Ave. N., Seattle; $5/lesson, $10/dance (425-741-8687).

Festivals/Expos

Seattle Center Whirligig

THU-SUN Bounce-house attractions and entertainment for ages 12 and younger, 11 a.m.-6 p.m. today through Sunday, Seattle Center House, Seattle; free admission; rides $1.50/each or $4.50/day pass for ages 3 and younger, $7/day pass ages 4-12; rides free today (206-684-7200 or www.seattlecenter.com/).

Lake Forest Park

Earth Smart Green Fair

SAT Exhibits on theme is "Environmentally Safe & Economically Wise Living," 10 a.m.-2 p.m.; workshops, Growing a Home Vegetable Garden, 10:30 a.m.-noon and 12:30-2 p.m.; Introduction to Canning, 10:30 a.m.-noon; "Gardening for Wildlife," 12:30-2 p.m. Saturday, Third Place Commons, 17171 Bothell Way N.E., Lake Forest Park (www.cityoflfp.com).

Norwegian Heritage Festival

SAT Norwegian food, entertainment, vendors, arts-and-crafts demonstrations, heritage information, 11 a.m.-3 p.m. Saturday, Pacific Lutheran University, 1010 122nd St. S., Tacoma (253-535-7322 or www.plu.edu/).

Skagit Valley Tulip Festival

ONGOING Fields in bloom at dates according to Mother Nature; art shows, winery, museum and farm events, through April 30, information online or in brochure available from Skagit Valley Tulip Festival Office, 100 E. Montgomery St., Mount Vernon (360-428-5959 or www.tulipfestival.org);

• Not So Impromptu Tulip Parade with farm animals, clowns, bands, mascots and pets, any size entry and day-of-parade entrants welcome, 2 p.m. Saturday, downtown La Conner;

• Tulip Frolic with music by the Skagit Swings band, noon-2 p.m. and 3-4 p.m., Kids' Zone activities, noon-3 p.m. Saturday, La Conner;

• Tulip Town, garden and gift shops, art gallery, cafe, kite shows, tulip-field walk and trolley ride with elevated view for photos, 9 a.m.-6 p.m. daily, later when weather permits, Tulip Town, 5002 Bradshaw Road, Mount Vernon; admission $5/adults, $5/military personnel with ID, ages 16 and younger free, trolley rides $1-$2; no pets (360-424-8152 or www.tuliptown.com).

• Roozengaarde Washington Bulb Company, display garden with 88 varieties of tulips plus daffodils, hyacinth, iris and other spring blooms, gift shop, picnic area, food available, 9 a.m.-6 p.m. daily, 15867 Beaver Marsh Road, Mount Vernon; admission $4, $3/military with ID, ages 10 and younger free; no pets (360-424-8531 or www.tulips.com).

Food events

Southwest Community Center Pancake Breakfast Fundraiser

SAT Scrambled eggs, sausage, beverages and all-you-can-eat pancakes, 8:30-11 a.m. Saturday, Southwest Community Center, 2801 S.W. Thistle, Seattle; $4/person, ages 3 and younger free (206-684-7438).

Pirates and dinner

SAT Performance by the International Pirates Zydeco Band, dinner with choice of salmon, steak or chicken, proceeds support senior-center programs, 4:30 and 6:30 p.m. Saturday, Sno-Valley Senior Activity Center, 4610 Stephens Ave., Carnation; $15 reservations requested (425-333-4152 or www.snovalleysenior.org).

Anacortes Spring Wine Festival

SAT Celebration of Northwest food and wine with more than 20 wineries and restaurants, noon-6 p.m. Saturday, Port Warehouse, 1 Commercial Ave., Anacortes; $30 (360-293-7911 or www.anacortes.org).

Gardening

North American Rock Garden Society

THU Slide show and talk on daphnes, all welcome, 7:30 p.m. today, Center for Urban Horticulture, 3501 N.E. 41st St., Seattle; free (425-391-5335).

Daffodil Days

FRI-SAT Thousands of daffodils and camas in bloom, sale including epimedium, trillium, hellebores, 9:30 a.m.-3:30 p.m. Friday-Saturday, Sundquist Nursery, 3809 N.E. Sawdust Hill Road, Poulsbo (360-779-6343 or www.sqnursery.com).

Early Bloomers Plant Sale

SAT Arboretum Foundation sale of early-blooming perennials, shrubs, conifers and small trees propagated from specimens in the Arboretum and donated by area gardeners; proceeds benefit the Arboretum, 10 a.m.-2 p.m. Saturday, Graham Visitors Center, 2300 Arboretum Drive E., Washington Park Arboretum, Seattle (206-325-4510 or www.arboretumfoundation.org).

Wildlife-friendly gardening

SAT Gardening to attract songbirds and beneficial insects, 10 a.m. Saturday, Swansons Nursery, 9701 15th Ave. N.W., Seattle; free (206-782-2543 or www.swansonsnursery.com).

Plant Propagation

SAT How to create more plants from the ones you already have; starts to take home, 10 a.m. Saturday, Center for Urban Horticulture, 3501 N.E. 41st St., Seattle; $45, preregistration required (206-685-8033).

Growing vegetables

SAT-SUN Growing vegetables in your garden and in containers, 10 a.m. Saturday, noon Sunday, Emery's Garden, 2829 164th St. S.W., Lynnwood; free (425-743-4555 or www.emerysgarden.com).

Rhododendron Species Foundation Public Garden

ONGOING Hundreds of rhododendron species and spring bulbs, perennials and flowering trees and shrubs in peak bloom through mid-May, 10 a.m.-4 p.m. six days a week, closed Thursdays, Rhododendron Species Botanical Garden, 2525 S. 336th St., Federal Way; $3-$5, ages 11 and younger free (www.rhodygarden.org).

Hiking/walks

Spring in the Arboretum

SAT Emerald City Wanderers Volkssport club 10K or 5K walk through the Arboretum and Foster Island, includes stairs, start anytime 9 a.m.-1 p.m., finish by 4 p.m. Saturday, from UW E-5 parking lot, off Montlake Boulevard near Northeast 45th Street, Seattle; free, $2 parking lot fee (206-789-1960 or www.walkingwithecw.org).

Issaquah Alps Trails Club

SAT,SUN West Tiger Mountain strenuous 8.5-mile hike with 2,700-foot elevation gain, 9 a.m. Saturday; Cougar Mountain-Coal Creek Falls moderate 5-mile hike with 1,200-foot elevation gain, 9:30 a.m. Sunday; daypack, food, water, hiking shoes/boots required. Issaquah Alps Trail Club clubhouse, First and Bush streets, Issaquah (www.issaquahalps.org).

Hobbies

NorthWest Rally Council Friday Nighters

FRI Time/speed/distance (TSD) nonperformance-autosport-club activity for all skill levels, 6:45 p.m. Friday, Eastgate Park & Ride, 14200 S.E. Eastgate Way, Bellevue; $15-$20 (425-778-6454 or www.nwrally.com).

Camano Island Quilters

FRI-SAT Quilting-club displays, demonstration, vendors, raffle, 10 a.m.-5 p.m. Friday-Saturday, Stanwood Middle School, 9405 271st St. N.W., Stanwood (360-387-8840).

Sakura-Con

FRI-SUN Japanese Animation Convention by the Asia Northwest Cultural Education Association, membership required, register online or at the door, features anime, manga, gaming, cultural demonstrations, art, dances, Friday-Sunday, Washington State Convention & Trade Center, 800 Convention Place, Seattle; $30-$60 (www.sakuracon.org).

Museum events

Earth Revealed: A View of Our Planet from Space

THU, SAT Explore Earth by seeing it from satellites and spacecraft, meet scientists and participate in hands-on activities, 10 a.m. today and Saturday, Pacific Science Center, 200 Second Ave. N, Seattle; $6-$11 admission includes activities (206-443-3656 or pacificsciencecenter.org).

Spring Break Nano Days

THU-SAT Nanotechnology science activities, 10 a.m.-5 p.m. today, 10 a.m.-8 p.m. Friday, 10 a.m.-5 p.m. Saturday, KidsQuest Children's Museum, 4089 Factoria Blvd. S.E., Bellevue; $7/person ages 1 and older, free 5-8 p.m. Fridays (425-637-8100 or www.kidsquestmuseum.org).

Nurses at Your Service:

A Century of Caring

SAT-SUN Opening Saturday, exhibit of historic documents and medical equipment illustrating 100 years of nursing in Washington, by the Washington State Historical Society with the Washington State Nursing Centennial Consortium, 10 a.m.-5 p.m. Tuesday-Saturday, noon-5 p.m. Sunday, until 8 p.m. third Thursdays, through July 5, Washington State History Museum, 1911 Pacific Ave., Tacoma; $6-$8, free admission Saturday for nurses with ID (253-272-3500 or washingtonhistory.org/wshm/featuredexhibits/Nursesatyourservice.aspx).

North Bend Centennial, Alaska-Yukon-Pacific Exhibition and the Great Race

ONGOING Local history exhibit, 1-5 p.m. Thursdays-Sundays, Snoqualmie Valley Historical Museum, 320 North Bend Blvd. S., North Bend; free admission, donations requested (425-888-3200 or www.snoqualmievalleymuseum.org).

Paddle sports

North Cascades Cruise

SAT Sound Rowers Open Water Rowing and Paddling Club race around Lake Stevens, 10K or 5K, followed by chili feed, open to all human-powered craft, 11 a.m. Saturday, North Cove Park, Main Street and 17th Place Northeast, Lake Stevens; $8-$18/person (425-344-1676 or www.soundrowers.org).

Park events

Spring Wildflowers Super Saturday

SAT Learn about spring flowers in the park with activities for all ages, 10 a.m.-3 p.m. Saturday, free; guided wildflower walk in the park, noon-1:30 p.m. Saturday, $2-$4; Seward Park Environmental and Audubon Center, 5902 Lake Washington Boulevard S., Seattle (206-652-2444 or sewardpark.audubon.org).

Family workshops

at Mercer Slough

SAT Family program to learn about our local ecosystem, 11:45 p.m. Saturday, Mercer Slough Environmental Education Center, 1625 118th Ave. S.E., Bellevue (www.pacificsciencecenter.org).

Shelter building

SAT Learn to build a simple hut from material in the forest, 10 a.m. Saturday, Lewis Creek Park and Visitor Center, 5808 Lakemont Blvd. S.E., Bellevue; $7, preregister (425-836-2697 or www.naturevision.org).

IslandWood Enviropalooza

SAT Exhibits and activities for all ages on how to reduce, reuse and recycle, with musical performance, trail walks, noon-4 p.m. Saturday, IslandWood, 4450 Blakely Ave. N.E., Bainbridge Island; free, suggested donation $5/family (www.islandwood.org).

Nisqually National Wildlife Refuge

SAT-SUN Easy hike to explore flora and fauna in the refuge, 1:30 p.m. Saturday, 1 p.m. Sunday, Nisqually National Wildlife Refuge, 100 Brown Farm Road, Olympia; programs free, $3/family refuge entry fee; no pets allowed (360-753-9467).

Performances

A Visit with Harriet Tubman

SAT Karol Brown portrays Harriet Tubman with songs and stories of hope and unity, 1:30 p.m. Saturday, Columbia City Library, 4721 Rainier Ave. S., Seattle; free (206-386-1908).

Family Concert: Queen Harish

SAT Dance and stories of India, 11 a.m. and 1 p.m. Saturday, Town Hall, 1119 Eighth Ave., Seattle; $5/adults, ages 11 and younger free, no children admitted without adults, no adults without children (800-838-3006).

Haller Lake Arts Alive

SAT Bluegrass concert by Downtown Mountain Boys, 7 p.m. Saturday, Haller Lake Community Club, 12579 Densmore Ave. N., Seattle; $6-$12 (206-367-0475 or www.hallerlake.info).

Lynnwood Magic Club

SAT "Smoke and Mirrors" magic show, proceeds benefit Burned Children Recovery Foundation, 7 p.m. Saturday, Everett Performing Arts Center, 2710 Wetmore Ave., Everett; $12-$15 (425-257-8600).

Running

Tulip Run

SAT Five-mile run and 2-mile run/walk on flat trails, prizes to top finishers and random prizes; 9:30 a.m. Saturday, registration at Van Zyverden Bulb, 12035 Higgins Airport Way, Burlington; $18-$28; ages 14 and younger, 70 and older free (www.tuliprun.com).

Shoreline Earth Day 5k and Kids Fun Run

PLAN AHEAD Earth Day 5K, each participant receives a tree to plant, proceeds benefit Arbor Day Foundation, 9 a.m. April 19, Paramount Park, Shoreline; $10-$15 (www.earthday5k.org).

Sales/Shopping

Police seizures and recoveries

FRI Auction of unclaimed police seizures and recoveries, preview 8-10 a.m., auction 10 a.m. Friday, James G. Murphy Inc., 18226 68th Ave. N.E., Kenmore (425-486-1246 or www.murphyauction.com).

Not-Just-Maritime Treasures Sale & Sea Music Fest

SAT Books, ship models, collectibles, tools, gifts, household goods, toys, unique maritime gear, CDs, food vendors, live music, proceeds support heritage programs, 9 a.m.-4 p.m. Saturday, South Lake Union Park/Center, 860 Terry Ave. N., Seattle (206-282-0985).

Skyway Friends of the Library Book Sale

SAT Book bargains, proceeds benefit the library, 10 a.m. Saturday, King County Fire District 20 Training Center, 12324 76th Ave. S., Seattle (206-772-5541 or www.kcls.org).

Baby and Kids Rummage Sale

SAT Sale of kids' clothes, toys and gear, 8 a.m.-noon Saturday, Tukwila Community Center, 12424 42nd Ave. S., Tukwila (206-768-2922).

Issaquah Farmers Market

SAT Seasonal produce, cut flowers, baked goods, arts and crafts, entertainment, cooking demos, Master Gardeners, children's activities, 9 a.m.-2 p.m. Saturdays, Pickering Barn, 1730 10th Ave. N.W., Issaquah; no dogs allowed (425-837-3311).

Special interest

Open to Question: Activism in Seattle's University District

ONGOING Outdoor exhibit of historic images and graphic presentation highlighting the social and political activism in the University District neighborhood in the 1960s and '70s; open daily through May 30, best viewed during daylight hours, UW Tower, Brooklyn Avenue Northeast and Northeast 45th Street, Seattle; free (opentoquestion.org).

Tours

Art + Architecture

SAT Walking tour of downtown art, 10 a.m. Saturday, Seattle Architecture Foundation, 1333 Fifth Ave, Rainier Square Atrium, Seattle; $15-$20, preregister, day of tour if space available (206-667-9184 or www.seattlearchitecture.org).

Pioneer Square

SAT Seattle Architecture Foundation walking tour of early Seattle history, 10 a.m. Saturday, Elliott Bay Book Co., 101 S. Main St., Seattle; $15-$20, preregister, day of tour if space available (206-667-9184 or www.seattlearchitecture.org).

PACCAR Open House

SAT Tour highlights how Kenworth, Peterbilt and other trucks manufactured by PACCAR are built and tested, 11 a.m.-2 p.m. Saturday, PACCAR, Farm to Market Road one mile north of Highway 20, Bow (360-757-8311 or www.tulipfestival.org).

Travel events

Travel classes

THU, SAT How to write extraordinary travel journals, 6 p.m. today, Rick Steves Travel Center, Edmonds; Germany, Austria and Switzerland, 10 a.m. Saturday, Edmonds Theater, 415 Main St., Edmonds; free, preregistration required, space limited (425-771-8303 or www.ricksteves.com).

Travel seminars

SAT Scotland's islands and highlands, 10 a.m. Saturday, Savvy Traveler, 112 Fifth Ave. S., Edmonds; free, reservations required, space limited (425-744-6076 or www.savvytraveleredmonds.com).

Workshops

It's About Time Writers Reading Series

THU Program on the writer's craft and open mic, 6 p.m. today, Ballard Library, 5614 22nd Ave. N.W., Seattle; free (206-684-4089 or www.spl.org).

Women's Conference with Pepper Schwartz

FRI Women's health and wellness and the resources available to women in our community; noon Friday, Edmonds Community College, 20000 68th Ave. W., Lynnwood; $60 (425-640-1538 or www.edcc.edu/equity).

Henna

SAT Learn to apply henna designs, for teens and adults, 1 p.m. Saturday, Mountlake Terrace Library, 23300 58th Ave. W., Mountlake Terrace; free, preregistration required (425-776-8722).

Political Campaign Training for Women

SAT National Women's Political Caucus of Washington workshop for women considering running for office, managing or working on a campaign or interested in politics and how it works, all day Saturday, Women's University Club, 1105 Sixth Ave., Seattle; $65-$85 (206-720-9922 or www.wpcnet.org).

Birdhouses from recycled materials

SAT Do-it-yourself workshop for ages 5-10 to create birdhouse using recycled materials, 10:30 a.m. Saturday, KidsQuest Children's Museum, 4089 Factoria Blvd. S.E., Bellevue; $10-$15 (425-637-8100 or www.kidsquestmuseum.org).