Spotted Joe-Pye Weed Posted on July 16, 2012 by Axie Tall with 4 to 5 whorled leaves. I’ll have to go back when they’re open. Spotted Joe-Pye Weed (Eupatoriadelphus maculatus) Update: Here is some in bloom at Longfellow Pond, Late July. 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)