Rhododendron Species Botanical Garden Fall Foliage Festival & Plant Sale: 10:00 a.m. -4:00 p.m. Saturday, October 15 through Saturday, October 22. Free admission to the Garden during the week-long fall celebration. Excellent prices on outstanding species rhododendrons, ferns, plus rare & choice companion plants. Enjoy how-to demonstrations, tours, speakers & plant sale. 2525 S. 336th Street, Federal Way.
Sip and Stroll at Molbaks: 4 to 7 p.m., Saturday, Oct 22. Celebrate some of the best Pacific Northwest artists and wines as you wander through the nursery.
Dunn Gardens Fall Foliage Festival: 1:00 p.m. -4 p.m. Sunday, Oct 23. View the gardens,music, silent auction, pumpkin bowling, apple press and wine, unique vendors, refreshments. Loacted in North Seattle. By donation, rsvp at www.dunngardens.org
Evergreen Chrysanthemum Association annual Mum Show: 2 to 5 p.m. Friday, October 28; 9 a.m. to 5 p.m. Saturday, October 29; 10 a.m. to 3:00 p.m. Sunday, October 30. Held at Furney's Nursery, 21215 International Blvd, Des Moines.
Puget Sound Mycological Society Annual Wild Mushroom Show: noon -7 p.m. Saturday, October 29 and 10 a.m. -5 p.m. Sunday, October 30. Over 200 varieties of wild mushrooms will be displayed. Visitors can bring in mushrooms for experts to identify. Exhibits, lectures, items for sale, & mushroom tasting. $10, $5 students, age 12 and under free. Held at the Bellevue College cafeteria, 3000 Landerholm Circle SE, Bellevue.
Plants with a Dark Side (Dan Hinkley): 1:30 p.m. Saturday, October 29. Dan Hinkley, founder of the internationally renowned botanical garden Heronswood, will introduce you to plants that evoke the spirit of Halloween. This is part of the Spirits and Spirits Fest 2016 From 11:30 a.m. to 1 p.m., enter Heronswood for a self-guied tour using your Spirits and Spirits pass. Continue on to Dan's lecture (1:30 p.m.) at The Point Casino Events Center.
Tree Tours with Arthur Lee Jacobson: Green Lake tree tour - 2:30 to 4:30 p.m., Saturday, October 29. Kubota Garden Park fall color tour - 2:30 to 4:30 p.m., Sunday, October 30. Arthur Lee Jacobson has a wealth of knowledge about trees and can discuss the many species that you will encounter. Fee: $10 per tour. Meet by doors of Community Center (East Green Lake). For Kubota garden, meet by the main gateway uphill from the parking lot.
10 part Growing Groceries Education Series: 7 p.m. to 9:30 p.m., Wednesdays, beginning October 19. $20 per person per class or all ten for $175. WSU Snohomish Extension's Cougar Auditorium: 600 128th Street SE (McCollum Park), Everett.
Washington Park Arboretum Weekend Walk Tour Sundays from 1:00 p.m. to 2:30 p.m. Casual guided tour focusing on plants that are particularly interesting for the time of year. Free (meet at the Graham Visitors Center at the Washington Park Arboretum). 2300 Arboretum Drive E, Seattle.
Bellevue Botanical Garden Group Tours: 2 p.m., each Saturday and Sunday, April through October. Walk the garden with a volunteer docent. Free but donations are strongly encouraged. Starts from the Visitor Center: 12001 Main Street, Bellevue.
Heronswood Garden Upcoming 2016 Weed, Walk, & Talk events: This event is scheduled on the second Wednesday and the fourth Saturday of each month under the direction of co-founder, Dan Hinkley. See website for exact dates. The day includes hands on fun in the Garden and either a presentation related to horticulture or a walk through the Garden with discussions on what is observed. These volunteer work days run from 9 a.m. to 3 p.m. and there is no charge.