Buds & Blooms Spring Garden Festival: 10 a.m.-4 p.m. May 10-11. Features showcase gardens, wetlands park, farmers market (Saturday only), workshops and talks by gardening experts, including Marianne Binetti and Ciscoe Morris. Call for details. Location: Various venues throughout Federal Way. www.federalway.org.
Mother’s Day Social: 1-4 p.m. May 11. Open house features refreshments, music and the opening of Rhododendron Glen. Bellevue Botanical Garden, 12001 Main St. 425-45202750 or www.bellevuebotanical.org.
King County Iris Society Bearded and Beardless Iris Show: Noon-5 p.m. May 17. Admission: Free. Crossroads Shopping Center, at the corner of Northeast Eighth Street and 156th Avenue Northeast, Bellevue. www.KCIS.org.
Puget Sound Bonsai Association Spring Show: 10 a.m.-5 p.m. May 18. Cost: Free. Japanese Garden at Seattle Arboretum, 1075 Lake Washington Blvd. E., Seattle. 425-444-1116.
Lake Wilderness Arboretum Spring Plant Sale: 10 a.m.-4 p.m. May 10. Features wide variety of native, specialty and other plants, along with garden accessories and craft vendors. Master gardeners will be on hand to answer questions. 22520 S.E. 248th St., Maple Valley. www.LakeWildernessArboretum.org.
Native Plant Sale: 10 a.m.-4 p.m. May 10. Proceeds benefit the Washington Native Plant Society. Bellevue Botanical Garden, 12001 Main St. 206-619-1073.
Spring Craft Fair and Plant Sale: 9 a.m.-4 p.m. May 10. Features plants grown by horticulture students at Auburn Mountainview High School. Sponsored by AMHS Booster Club. 28900 124th Ave. S.E., Auburn.
Rhododendron Show and Sale: 10 a.m.-5 p.m. May 17; 10 a.m.-4 p.m. May 18. Proceeds benefit the Cascade Rhododendron Society. Bellevue Botanical Garden, 12001 Main St. 425-333-6178.
Sunset View Garden Club Plant Sale: 10 a.m.-3 p.m. May 17. Features flowers, herbs and vegetables. Northwest corner of Safeway parking lot, 200 S. Third St., Renton.
Eastbrook Garden Club Art and Plant Sale: 9 a.m.-4 p.m. May 17. Features a variety of plants and garden art. Kent Historical Society Museum, 855 E. Smith St., Kent. 206-878-2203.
King County Master Gardener Foundation talks: All talks at 10:30 a.m. Topics: May 10, “High Color/Low Maintenance Gardens”; May 17, “Apple Maggot and Coddling Moth”; May 31, “Shade Gardening.” Cost: Free. 15500 S.E. 16th St., Bellevue. 425-452-7225.
“Great Gardens Save Water—Plants, Combinations and Designs that Work”: 7-8:30 p.m. May 15. Speaker: Marty Wingate. Cost: Free. Tahoma Junior High School, 25600 Summit Landsburg Road, Ravensdale. 253-631-0565, ext. 170, register@LakeWildernessArboretum.org, www.covingtonwater.com or www.LakeWildernessArboretum.org.
Bellevue Nursery Master Gardener Clinics: 11 a.m.-3 p.m. Saturdays-Sundays through September. Master Gardeners will be on hand to answer gardening questions. Bellevue Nursery, 842 104th Ave. S.E. 425-454-5531 or www.bellevuenursery.com.
Hill ‘N Dale Garden Club: 6 p.m. the first Monday of the month, September-June. Newport Way Library, 14250 S.E. Newport Way, Bellevue. 425-255-9705 or e-mail firstname.lastname@example.org.
Lake Wilderness Arboretum Volunteer Days: 9 a.m.-noon Thursdays and the first Saturday of the month. 22520 S.E. 248th St., Maple Valley. 253-631-0565, ext. 170, or www.lakewildernessarboretum.org.
O’Brien Garden Club: 11 a.m. the third Friday of the month. Club is a member of the National Council of State Garden Clubs. Fairwood Library, 17009 140th Ave. S.E., Renton. 425-255-6236.
Sunset View Garden Club: 10 a.m. the third Thursday of the month. Group is a member of the Washington State Garden Clubs. Golden Pines Retirement Home, 2901 10th Ave. N.E., Renton. 425-255-0859 or 425-255-8195.