WSU Extension > Lewis County > Loading view. There were no results found. There were no results found. Events Providence Demo Garden Providence Demo Garden 350 Southeast Washington Avenue, Chehalis, WA 98532, USA Chehalis, WA 98532 United States Get Directions 360-740-1216 Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file