WSU Extension > Jefferson County > Yard & Garden Lecture Series at Jefferson County Fairgrounds Yard & Garden Lecture Series at Jefferson County Fairgrounds Loading view. There were no results found. Events Search and Views Navigation Search Enter Keyword. Search for Events by Keyword. Find Events Event Views Navigation Summary List Month Day 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