Seaside Goldenrod Posted on September 28, 2012 by Axie Reply Flowers from August through November. Bigger flowerheads than most goldenrods. Aster family. Native. Seaside Goldenrod (Solidago sempervirens) Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on Pinterest (Opens in new window)