- Wednesday, January 9: NHS Lecture
- Plant Nerds in Plant Heaven, with Kelly Dodson & Sue Milliken
- Tuesday, January 15: 10am-noon: NHS Class
- Gardening Tools with Bob Lilly
- Wednesday, February 13: NHS Lecture
- Small Conifers for Small Gardens, with Robert Fincham
- February 20-24: Northwest Flower & Garden Show
- Tuesday, March 5: 10am-noon: NHS Class
- Soup’s On! with Susan Carter
- Saturday, March 9: 9am-3pm: Spring Plant Sale
- Center for Urban Horticulture
- Thursday, March 14: 2:30pm-4:30pm: NHS Class sold out (Waiting List Only)
- Botanical Latin with Daniel Sparler
- Saturday, March 23: 8:30am-4pm: NHS Spring Symposium sold out (Waiting List Only)
- The New European Garden: Principles and Gardening Practices that Make Sense for Everyone’s Garden
- Thursday, March 28: 10am-noon: NHS Class sold out
- Bulbs with Rick Kyper
- Wednesday, April 3, 10am-noon sold out
- Mastering the Ultimate Mixed Border with Daniel Mount
- Wednesday, April 10: NHS Lecture
- Abundance: A Year-Round Guide to Eating Fresh from Your Garden, with Lorene Edwards Forkner
- Wednesday, April 24: 10am-noon: NHS Class sold out
- Second Session Added: 1pm-3pm
- Primroses for the Northwest Garden with Richie Steffen
- Thursday, April 25, Spring Display at Chihuly with Richard Hartlage
- First Session: 3pm-4:30pm sold out
- Second Session: 6pm-7:30pm sold out
- At Chihuly Garden & Glass, Seattle Center
- Wednesday, May 1: 10am-noon: NHS Class sold out
- Broadleaf Evergreens for the Landscape with Holly Zipp
- Wednesday, May 8: NHS Lecture
- Natural Companions: Inspiring Combinations of Plants That Grow Together and Bloom at the Very Same Time, with Ken Druse
- Wednesday, May 15: 10am-12:30pm: NHS Class sold out
- Tour of the Volunteer Park Conservatory and Propagation Techniques in the Production House
- Wednesday, June 5, 10am-noon sold out
- Mastering the Ultimate Mixed Border with Daniel Mount
- Wednesday, June 12: NHS Lecture
- Design by Plagiarism: Why Stealing from the Best Makes Sense, with Billy Goodnick
- June 14-29: NHS 2013 Garden Tour of Germany
- Beginning in Munich and ending in Berlin
- Saturday, June 15: Meet the Designer at Home with Richard Hartlage sold out
- See how Richard Hartlage has designed his personal garden.
- Wednesday, June 19: 10am-noon: NHS Class sold out
- Second Session Added: 1pm-3pm
- Ferns for the Northwest Garden with Richie Steffen
- Thursday, June 27: Kitsap Garden & Nursery Tour sold out
- Includes stops at Sunquist Nursery, Heronswood and Windcliff.
- Tuesday, July 16: 10am-12:30pm: NHS Class sold out
- Bugs: The Good, the Bad and the Ugly with Ciscoe Morris
- Thursday, July 25: Plant Nerd Night
- 6pm-9pm at The Mountaineers Program Center
- Friday, August 2, 10am-4pm sold out Waiting List Only
- Whidbey Island Garden Tour
- Wednesday, August 7, 10am-noon
- Mastering the Ultimate Mixed Border with Daniel Mount
- Wednesday, October 2, 10am-noon
- Mastering the Ultimate Mixed Border with Daniel Mount
- Wednesday, October 9: NHS Lecture
- Understanding the Water Cycle as We Garden, with Emily Green
- Wednesday, November 13: NHS Lecture
- The Legacy of Elisabeth Miller and Her Garden, with Richie Steffen
- Wednesday, December 4, 10am-noon sold out
- Mastering the Ultimate Mixed Border with Daniel Mount (Series Special)
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