Plant
Perovskia
11 US plant patents name this plant. 1 has expired, so that cultivar is free to propagate and sell. The next of the 10 still protected comes off patent on December 29, 2028.
Still under patent — 10 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- LISSLITTPP20845Perovskia plant named ‘LISSLITT’UNDER PATENTDecember 29, 2028
- LissveryPP25581Perovskia plant named ‘Lissvery’UNDER PATENTMay 21, 2033
- CrazyBluePP25639Perovskia plant named ‘CrazyBlue’UNDER PATENTFebruary 4, 2034
- NovaperlacPP26618Perovskia plant named ‘Novaperlac’UNDER PATENTAugust 14, 2034
- RocketmanPP27526Perovskia plant named ‘Rocketman’UNDER PATENTJuly 29, 2035
- Denim 'n LacePP28445Perovskia plant named ‘Denim 'n Lace’UNDER PATENTMarch 24, 2036
- Blue Jean BabyPP29281Perovskia plant named ‘Blue Jean Baby’UNDER PATENTDecember 20, 2036
- Sage AdvicePP33310Perovskia plant named ‘Sage Advice’UNDER PATENTNovember 19, 2040
- Prime TimePP34304Perovskia plant named ‘Prime Time’UNDER PATENTFebruary 1, 2042
- DoperjelPP35270Perovskia plant named ‘Doperjel’UNDER PATENTNovember 21, 2042
Already in the public domain — 1 cultivar
Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.
- Little SpirePP11643Perovskia plant named `Little Spire`PUBLIC DOMAINDecember 17, 2018
Botanically this is Perovskia. A patent expiring frees the plant, and its cultivar name with it — cultivar names cannot be trademarked. Any brand name it is sold under is a separate thing and may still be owned.