- We are going to be in Iowa this weekend and wondered if it would be worth it to go to Pella. I know that the festival is the following weekend, but I am assuming that tulips would be blooming this weekend also. What other things would there be to ... Pella, IA Tulips › Pella, bhutan thimphu ... , Iowa (IA) Thu, 12/10/2009 - 10:31