Our Location

Trillium’s plant based programs, remedies and services are primary offered at the Garden Apothecary of herbalist Erin Vanhee in Sedro Woolley, Washington. Field studies are held in the Skagit Valley, islands of Camano and Whidbey with extensive study on the school’s 40 acres near Concrete, WA.

Sedro Woolley is 30 minutes south of Bellingham, WA and an hour and a half North of Seattle. The Concrete location is 30 miles East of Sedro Woolley.

Skagit County has a long history of agriculture and timber industry with tulip fields, bird and wildlife sightings and berry/vegetable production. The Upper Valley is on the North Cascade Pass with stunning mountain views and the wild and scenic Skagit River.

From Seattle: Take Interstate 5 North to the Cook Road Exit 232, go East to Sedro Woolley. Address will be sent on registration confirmation.

From Bellingham: Take I-5 South to Cook Road Exit #232, head east to Sedro Woolley.

Phone number is 360.391.2706

Street address and directions sent upon confirmation of registration.