April 1-30 Skagit Valley Tulip Festival | tulipfestival.org April 6 86th Annual Daffodil Parade | thedaffodilfestival.org April 7-18 Seattle Restaurant Week | srw.seattletimes.com April 11-14 Spring FairĀ | thefair.com/spring-fair April 13-14 Seattle Super and Sprint | spartan.com April…