Genus
Chrysocephalum
5 US plant patents have been granted in this genus. 0 are already in the public domain — anyone may propagate and sell them. The next of the 5 still protected comes off patent on May 7, 2027.
Still under patent — 5 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- FlochryelPP19175Chrysocephalum plant named ‘Flochryel’UNDER PATENTMay 7, 2027
- FlochroraPP19396Chrysocephalum plant named ‘Flochrora’UNDER PATENTMay 18, 2027
- FLOCHRDEFPP19526Chrysocephalum plant named ‘FLOCHRDEF’UNDER PATENTJuly 24, 2027
- SilsunPP19546Chrysocephalum plant named ‘Silsun’UNDER PATENTDecember 4, 2027
- BonchrykiPP22264Chrysocephalum plant named ‘Bonchryki’UNDER PATENTMay 23, 2030
A patent expiring frees the plant, and its cultivar name comes with it — cultivar names cannot be trademarked, so they are always free to use. What it does not free is any brand name the plant is marketed under. Those are trademarks and renew indefinitely.