(West Greenwich, RI) -- John Leyden, who ran a well-known Christmas tree farm in Rhode Island, has died. The proprietor of Big John Leyden's Christmas Tree Farm in West Greenwich was known for appearing on CBS This Morning to advocate for people purchasing real trees over fake ones. Christmas trees from his farm were used at the Rhode Island State House for years. Leyden was 87-years-old when he passed away on Sunday.