“The Promise of Spring”: Plant sale and workshops by Northwest Perennial Alliance, 10:30 a.m. to 2:30 p.m. Jan. 21, Bellevue Botanical Garden’s Aaron Education Center, 12001 Main St., Bellevue. NPA members free; non-members $15. More at www.northwestperennialalliance.org.
Snohomish Conservation District: The district’s 33rd annual Native Plant Sale is 8:30 a.m. to 4 p.m. Feb. 10 at the Evergreen State Fairgrounds, 14405 179th Ave. SE, Monroe. Ground covers, evergreen trees and shrubs, deciduous trees and shrubs, rain barrel kits and more. Volunteers are needed to help bundle, sort and pot plants before and after the sale. Plants are sold online in advance so you can guarantee that the plants you want to buy are reserved for you. Plants are not delivered and must be picked up in Monroe on the day of the sale. If that is not possible, call for other arrangements for pickup. Deadline for online orders is 5 p.m. Jan. 29. Call 425-335-5634, ext. 4 or visit www.theplantsale.org.
Northwest Flower & Garden Festival: Feb. 7-11, Washington State Convention Center, 705 Pike St., Seattle. More than 300 exhibitors, 20 show gardens and dozens of seminars. Hours are 9 a.m. to 8 p.m. Wednesday through Saturday and 9 a.m. to 6 p.m. Sunday. Admission is $24; early bird tickets (by Feb. 6) are $19. Two-day pass, $34; five-day pass, $75. Children 12 and younger get in free. More at www.gardenshow.com.
Everett Home & Garden Show: Seminars, exhibits and more, March 9-11, Angel of the Winds Arena, 2000 Hewitt Ave., Everett. Tickets are $7 adults, $6.50 seniors. Ages 16 and under get in free. Tickets available at the door. More at www.everetthomegardenshow.com.
Evergreen Arboretum & Gardens Series: “Waking Up Your Garden,” presentation by Everett Parks employee Craig Callies, noon to 1 p.m. Jan. 20, 145 Alverson Blvd., Legion Park, Everett. Think it’s too early to be thinking about your garden? It’s not. Come to this class and learn about fertilizing, pruning, weeding and other maintenance concerns that will give you a jump on preparing your yard and beds for the coming growing season. Be prepared for a short walk in the arboretum at the end of class. Meet in the arboretum horticultural portable. Free for arboretum members; $10 for non-members. Feb. 17: Winter pruning workshop by Trevor Cameron, Sunnyside Nursery manager and arboretum president, 10 a.m. to 2 p.m. Free for arboretum members; $10 for non-members. Annual fee to join the arboretum is $20 and get all classes for the year free. More at www.evergreenarboretum.com.
Sustainable Gardening Winter Speaker Series: Snohomish County Master Gardener Foundation’s series with celebrity gardeners, authors and experts sharing their knowledge on a variety of gardening subjects. Lectures are generally held every two weeks from 9:30 to 11:30 a.m. on Fridays through early April. The new location this year is Trinity Lutheran Church, 6215 196th St. SW, Lynnwood. Cost for all lectures is $85. A single session is $20 at the door. Register online at www.gardenlectures.com.
Monroe Garden Club: The club is offering a $1,000 scholarship to a high school senior or college student who is pursuing a career in some aspect of horticulture at an accredited college or trade school. Studies may include forestry, botany, landscaping, floral design, environmental studies, etc. Applicants must reside in or within 20 miles of Monroe. Deadline for application is April 1. For more, call 360-217-8417.
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