Plant Amnesty Prune-a-thon at Sky Nursery: Saturday, February 28, 9 a.m. -4 p.m. Full day of pruning demonstrations, slideshows, seminars, and fun. Emphasis on hydrangeas and berry bushes. Free. Sky Nursery is at 18528 Aurora Ave. N. in Shoreline.
'Bringing the Living Space into the Garden' class at the Bellevue Botanical Garden: Saturday, February 28, 10:00 a.m. -noon. Karen Stefonick will share her design ideas, techniques and secrets for creating an outside living space that perfectly reflects your inside living space. $35 / $25 for BBG members. Register on-line. 12001 Main Street, Bellevue.
Seattle Rose Society pruning demonstration: Saturday, February 28, 10:00 a.m. -2 p.m. Learn about roses, how to care for them and get answers to your questions by rosarians. Woodland Park Rose Garden: 750 N 50th St, Seattle. Free.
Whatcom County Home & Garden Show: March 6 to 8, 11 a.m. -9 p.m., Friday; 10 a.m. -9 p.m., Saturday; 11 a.m. -5 p.m. Sunday. Lots of vendors and seminars (I will be there Sunday at 2). $8, $7 age 55 plus, free for age 16 & under. Beer and Wine tasting on Friday and Saturday nights. 1775 Front St, Lynden.
Whidbey Gardening Workshop: Saturday, March 7, 9 a.m. -4:30 p.m. (registration begins at 8 a.m.) Keynote speaker Nick Bond will talk about "Changing Climate and the Gardener ... What Can We Expect?" There are 44 workshops total. The cost is $40 if pre-register by 11 p.m. on March 1; otherwise $45 at the door. The workshop is held at Oak Harbor High School: 950 NW 2nd Ave.
The Western Washington Fruit Research Foundation (WWFRF) Winter Field Day: Saturday, March 7 from 8:30 a.m. -3:30 p.m. Rootstock and scion wood sales, workshops on pruning and grafting, and demonstrations in the fruit garden. $15, $30 family, free for WWFRF members. NW Washington Research & Extension Center: 16650 State Route 536, Mount Vernon.
Northwest Horticultural Society Spring Ephemeral Plant Sale: Saturday, March 7, 9 a.m. -3 p.m. Many nurseries will be selling plants. Lecture by Raymond J. Larson at 10 a.m. (donations accepted for lecture). Held at Center for Urban Horticulture, 3501 41st St., Seattle.
Washington Park Arboretum Weekend Walk Tour Sundays from 1:00 p.m. to 2:30 p.m. Casual guided tour focusing on The Witt Winter Garden collection, an amazing display of early bloomers & colorful barks. Free (meet at the Graham Visitors Center at the Washington Park Arboretum). 2300 Arboretum Drive E, Seattle.