Genus
Astrantia
14 US plant patents have been granted in this genus. 4 are already in the public domain — anyone may propagate and sell them. The next of the 10 still protected comes off patent on September 14, 2026.
Still under patent — 10 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- VenicePP18420Astrantia plant named ‘Venice’UNDER PATENTSeptember 14, 2026
- FlorencePP18478Astrantia plant named ‘Florence’UNDER PATENTDecember 13, 2026
- Star of FirePP20284Astrantia plant named ‘Star of Fire’UNDER PATENTApril 28, 2028
- Star of BillionPP20352Astrantia plant named ‘Star of Billion’UNDER PATENTApril 28, 2028
- Star of PassionPP24068Astrantia plant named ‘Star of Passion’UNDER PATENTJuly 12, 2032
- Star of TreasurePP24067Astrantia plant named ‘Star of Treasure’UNDER PATENTJuly 18, 2032
- Star of MagicPP26893Astrantia plant named ‘Star of Magic’UNDER PATENTAugust 7, 2034
- PisaPP27099Astrantia plant named ‘Pisa’UNDER PATENTJanuary 6, 2035
- Star of LovePP27614Astrantia plant named ‘Star of Love’UNDER PATENTNovember 3, 2035
- CapriPP27917Astrantia plant named ‘Capri’UNDER PATENTDecember 15, 2035
Already in the public domain — 4 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.
- Moulin RougePP16549Astrantia plant named ‘Moulin Rouge’PUBLIC DOMAINMay 27, 2025
- Abbey RoadPP14961Astrantia plant named ‘Abbey Road’PUBLIC DOMAINMay 13, 2023
- Snow StarPP12697Astrantia plant named ‘Snow Star’PUBLIC DOMAINAugust 16, 2020
- RomaPP11470Astrantia plant named `Roma`PUBLIC DOMAINOctober 22, 2018
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.