Phipps Conservatory fall flower show says ‘Happy Troll-O-Ween’ to Pittsburgh Shirley McMarlin Thursday, Sept. 30, 2021 6:59 p.m. | Thursday, Sept. 30, 2021 6:59 p.m. Go Ad-Free Today! Courtesy of Paul g. Wiegman Growing mums for the fall flower show is virtually a year-round process at Phipps Conservatory and Botanical Gardens. Courtesy of Paul g. Wiegman Animatronic trolls are found among the mums in the fall flower show at Phipps Conservatory and Botanical Gardens. Courtesy of Paul Vladuchick Since 1894, Phipps Conservatory and Botanical Gardens as been creating chrysanthemum-themed fall shows. Courtesy of Paul g. Wiegman The garden railroad exhibit accompanying the Phipps fall flower show includes Pittsburgh landmarks like the Duquesne Incline. Courtesy of Phillip L. Johnson II The Phipps Conservatory and Botanical Gardens fall flower show is accompanied by the return of the garden railroad exhibit. Share this post: Facebook Twitter LinkedIn Reddit Email