Genus
Dicentra
16 US plant patents have been granted in this genus. 3 are already in the public domain — anyone may propagate and sell them. The next of the 13 still protected comes off patent on April 14, 2028.
Still under patent — 13 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- RekkaPP20058Dicentra plant named ‘Rekka’UNDER PATENTApril 14, 2028
- Spring MagicPP20322Dicentra plant named ‘Spring Magic’UNDER PATENTJuly 14, 2028
- Burning HeartsPP20797Dicentra plant named ‘Burning Hearts’UNDER PATENTNovember 10, 2028
- Red FountainPP21269Variety of dicentra plant named ‘Red Fountain’UNDER PATENTNovember 12, 2028
- HORDIVALPP22739Dicentra plant named ‘HORDIVAL’UNDER PATENTMay 28, 2030
- Fire IslandPP22488Dicentra plant named ‘Fire Island’UNDER PATENTSeptember 1, 2030
- Amore PinkPP25601Dicentra plant named ‘Amore Pink’UNDER PATENTDecember 12, 2033
- Amore RosePP25623Dicentra plant named ‘Amore Rose’UNDER PATENTDecember 12, 2033
- Love HeartsPP26565Dicentra plant named ‘Love Hearts’UNDER PATENTAugust 12, 2034
- White GoldPP27638Dicentra plant named ‘White Gold’UNDER PATENTJune 29, 2035
- Pink DiamondsPP32380Dicentra plant named ‘Pink Diamonds’UNDER PATENTNovember 8, 2039
- Amore TitaniumPP35856Dicentra plant named ‘Amore Titanium’UNDER PATENTFebruary 21, 2043
- White DiamondsPP36680Dicentra plant named ‘White Diamonds’UNDER PATENTNovember 22, 2044
Already in the public domain — 3 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- Ivory HeartsPP15599Variety of Dicentra plant named ‘Ivory Hearts’PUBLIC DOMAINApril 20, 2023
- Candy HeartsPP14692Variety of dicentra plant named ‘Candy Hearts’PUBLIC DOMAINApril 16, 2023
- SnowflakesPP8480Dicentra eximia `Snowflakes`PUBLIC DOMAINNovember 25, 2011
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.