On and On has been an understated small workhorse here in 7a. Increases well and makes a rounded clump for the front of the border. Starts blooming here in May here. Sometimes early May, but May 27th this particular year:
Blooms are held just above the foliage. Registration stats are accurate here. June 6th:
The glowing pigment in the eyezone adds interest. A rare poly bloom:
Last of the first round of bloom, June 17th:
And July 11th she's back! She will rebloom intermittently until late in the season. Pod and pollen fertile.