Whorled Tickseed (Coreopsis verticillata) is in our garden. NB: Alex labeled this as C. verticaleate. It appears to be Coreopsis verticillata 'Zagreb'. Her photo is copyrighted.
The images we have shown are from a Wikimedia Commons photo by Anelli Salo, link provided under Creative Commons Attribution-Share Alike 3.0.
The plant is also known as Threadleaf Tickseed. It has delicate, lacy dark green foliage.
