A holiday tradition continues in Pella on Friday as the Festival of Trees will be on display at the Pella Opera House. This year’s event, called Silver Bells features a variety of trees, wreaths and baskets. There is also a platinum and purple tree to celebrate the 20th anniversary of the opera house. The opera house will open at noon on Friday and end at 7:30pm. Regular business hours begin on Saturday from 10am-4pm until December 4th and is closed on Sundays. The event is free and open to the public.