Ours are weak plants
Fertile florets mauve, almost obscured by the white sterile florets. With 3 or 4 sepals opening with curded edges and remaining dish shape for some time. (Description ofDerbyplants)
Gardens found in 28 pre 2000 surveys DA TR
Gardens found in the 10 surveyed in 2010: DA
UK Plant Finder 2012: Not listed.