Bluets (Quaker Ladies) Posted on April 27, 2012 by Axie At Centennial, I saw only one single bloom of this, but down the street by Walker Pond, there is quite a colony. They’re beautiful — the color so subtle. Cannot find why they are called Quaker Ladies! Bluets, Quaker Ladies (Houstonia caerulea) 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)