Late August Late August Click here to go back to the main What’s in Bloom page. Bluestem Goldenrod Solidago caesia Wildflower beds Blooms late August through Oct. Bottle Gentian Gentiana andrewsii Wildflower beds Blooms late August into October Elephant’s Foot Elephantopus carolinianus Upper wildflower bed Blooms late August into September Pink Turtlehead Chelone lyonii Wildflower beds Blooms August through Oct. Blue Mistflower Eupatorium coelestinum Upper wildflower bed Blooms mid August through Oct. Fringed Gentian Gentianopsis crinata Lower wildflower bed Blooms late August Guara Guara lindheimeri ‘Whirling Butterflies’ Lower wildflower bed Blooms late August Red Swamp Mallow Hibiscus moscheutos Pond edge Blooms mid to late August Jewelweed Impatiens capensis Pond edge Blooms mid August through Sept.