American Horticultural Society

Spring Native Plant Sale (Carnation, WA)

Spruce up your garden with a variety of beautiful native plants. Discover a wide selection of native plants grown from seed, adapted to the local climate, and evolved for resiliency. From vibrant wildflowers to hardy shrubs, you’ll find the perfect additions to create a pollinator friendly garden.

Lifelong Learning BTS Tour: Washington Park Arboretum in Seattle Washington (Member Exclusive)

AHS Reciprocal Garden tour will show highlights of the Pacific Connections Collections and the Rhododendron Glen. This program is only open to AHS members; for additional information and to register, please log into your AHS account.

WSU Master Gardener Advanced Education Conference (Virtual)

The virtual 2024 advanced education conference, Gardening in a Changing Climate, provides exceptional opportunities with high-quality classes and instructors. WSU Extension Master Gardeners earn continuing education hours improving their ability to teach sustainable horticulture skills across Washington.

The conference features 35 live and recorded classes, focusing on research-based gardening and environmental stewardship practices, that address nine program priorities and support extension master gardener leadership skills.

Spokane Garden Expo (Spokane, WA)

The best garden show in the Inland Pacific Northwest–Spokane’s premier garden party and the local gardening community’s pride and joy.

Idaho Botanical Garden Plant Sale (Boise, ID)

The Spring Plant Sale Fundraiser is an annual event that allows garden enthusiasts to learn more about the diverse range of plants cultivated in the Garden and bring pieces of the Garden home with them! Visitors have an opportunity to gain a wealth of knowledge on the different types of plants that are available for their gardening space and how to care for them. The sale also allows you to meet with other gardening enthusiasts and exchange tips, ideas, and more.

Annual Wood River Valley Daffodil Festival (Ketchum, ID)

Please join the Sawtooth Botanical Garden at the 3rd Annual Wood River Valley Daffodil Festival. Come enjoy the bloom of 30,000 daffodils made possible by generous volunteers and donors. Food trucks, refreshments, garden tours, music, and more!

Earth Day at Washington Park Arboretum (Seattle, WA)

Each year, the Arboretum Foundation, UW Botanic Gardens, Seattle Parks and Recreation co-host an Earth Day community and volunteer event. Help restore the Arboretum by removing invasive ivy and blackberry in natural areas, and by mulching and weeding the plant collections!

Oregon Garden Earth Day (Silverton, OR)

Earth Day at The Oregon Garden is a free day of celebrating our planet! Guests of all ages are invited to grow their environmental stewardship by visiting with environmentally-conscious exhibitors, engaging in educational activities and exploring the Garden!

Spring Mushroom Discovery Walk (Portland, OR)

Discover the fascinating and fun world of Spring mushrooms in the Pacific Northwest! This program will begin with a brief outdoor introduction about the ecological roles of fungi, their forms, how they eat, reproduce and basics of identification. The talk will be followed by a casual walk on the trails to carefully observe and explore the species commonly found at Hoyt Arboretum and throughout Portland!

Northwestern Chapter of the North American Rock Garden Society Annual Spring Plant Sale (Bellevue, WA)

Annual NW Chapter of the N American Rock Garden Society spring plant sale. NWNARGS members and regional specialty growers will offer a wide range of plants that grow in the mountains, forests and deserts of the West, along with plants from Europe, Asia and South America. Members will be available to demonstrate growing conditions and to give advice. Free and open to the public.