American Horticultural Society

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.

Plant Amnesty/Prohort Master Pruner Series for Professionals

The Master Pruner series includes 12 virtual sessions, each one covers a specific topic in pruning including rose, fruit tree, conifer, and rehabilitative pruning. The winter series will run on Thursdays, February 1 – March 7th from 9:30-11:30am and 12:30-2:30pm PST. Each virtual session is 2-hours long and costs $30. You can get a discounted rate by signing up for the full series.

Indiana Flower + Patio Show at Indiana State Fairgrounds, Expo Hall + West Pavilion

Marketplace Events is offering AHS members a 2-for-1 ticket special to 13 home and garden shows across the nation. Seek helpful advice, solutions and new products for your next garden or landscaping project. Get ready to be inspired! AHS members must login to their account homepage to get the promo code for your discounted tickets.

Northwest Flower + Garden Show at Seattle Convention Center

Marketplace Events is offering AHS members a 2-for-1 ticket special to 13 home and garden shows across the nation. Seek helpful advice, solutions and new products for your next garden or landscaping project. Get ready to be inspired! AHS members must login to their account homepage to get the promo code for your discounted tickets. The AHS will present Environmental Awards at this event.

Queens Botanical Garden School Holiday Program: MLK Day

During this 9am-3pm drop-off program, young gardeners will learn about food justice movements in Black American history, start seeds in our greenhouse for the spring, and explore our interconnected ecosystems. Children will enjoy the Children’s Garden, where they spend time gardening, playing, observing, and learning in a nurturing environment.

University of Washington Botanic Gardens Master Pruner Series (Virtual)

UW Botanic Gardens is hosting a Master Pruner Series designed for those who work and are interested in landscape maintenance. Each virtual lecture provides information on tools and techniques for quality pruning with better long-term results. The series runs every Thursday for 6 weeks, February 1st-March 7th 2024, with 2 lectures on each Thursday at 9:30am-11:30am and 12:30pm-2:30pm. Participants can sign up for individual classes or the entire 12 class series. Professional credits APLD-2, CPH-2, ecoPRO-2, ISA-2, NALP/WALP-2 are available for each 2-hour lecture.

Cheyenne Botanic Gardens – Arboretum Fall Foliage Tour (Cheyenne, WY)