HAPPY SPRING EQUINOX TO THE PEONIES! Swenson Gardens > Uncategorized > HAPPY SPRING EQUINOX TO THE PEONIES! At least in our USDA zone the peonies are ready for SPRING! Happy Spring to all gardeners in the northern hemisphere as of 5:28 am today. We wish you and your peonies a wonderful 2017 growing season! ← Previous post Next post → Leave a Comment Cancel reply Your email address will not be published. Required fields are marked *