First Bloom Dates: Prairie Blazing Star and Big-leaved Aster Posted by Vonda on July 20, 2020 A few more first bloom dates in the garden over the weekend: Prairie Blazing Star Prairie Blazing Star: First blooms of 2010 First Bloom Date this Year: 7/18/2020 Big-Leaved Aster Big-leaved Aster: First blooms of 2020 First Bloom Date this Year: 7/19/2020 Images in this Post Prairie Blazing Star First blooms of 2010 Big-leaved Aster First blooms of 2020