Diane De Luca has been collecting phenology data since 2012, including the dates of first emergence of multiple perennial wildflowers. According to Diane, “The dates have been remarkably consistent for most of the wildflowers, including Canada Mayflower, ranging from April 15 to April 23, except in 2018 and 2020.”
Read more about her 2020 results and see photos of the life cycle of Canada Mayflower.
Photo: Canada Mayflower resilience after the snowstorm of May 2020, by Diane De Luca.