'Raised Bed Revolution' with Tara Nolan. Photo Contest. Flower Show. The Uxbridge Horticultural Society meets at the Uxbridge Seniors Centre, 75 Marietta St., Uxbridge. Membership is $20 per year. Guests pay $5 per meeting. Refreshments served at every meeting. Our club welcomes the young and the young at heart, amateurs, experts and anyone who just want to enjoy the beauty of nature.