Genus
Gentiana
23 US plant patents have been granted in this genus. 2 are already in the public domain — anyone may propagate and sell them. The next of the 21 still protected comes off patent on December 29, 2026.
Still under patent — 21 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Alpine Success Blue 05PP18767Gentiana plant named ‘Alpine Success Blue 05’UNDER PATENTDecember 29, 2026
- magic purplePP19809Gentiana plant named ‘magic purple’UNDER PATENTFebruary 12, 2028
- True BluePP20433Gentiana plant named ‘True Blue’UNDER PATENTOctober 1, 2028
- Blue MagicPP20704Gentiana plant named ‘Blue Magic’UNDER PATENTNovember 12, 2028
- White MagicPP21759Gentiana plant named ‘White Magic’UNDER PATENTNovember 12, 2029
- GentoPP21924Gentiana plant named ‘Gento’UNDER PATENTJanuary 13, 2030
- Heidelove3goPP21812Gentiana plant named ‘Heidelove3go’UNDER PATENTFebruary 12, 2030
- HakuryuPP24243Gentiana plant named ‘Hakuryu’UNDER PATENTJune 22, 2032
- KLEGH12013PP26296Gentiana plant named ‘KLEGH12013’UNDER PATENTMay 6, 2034
- Little PinkiePP26013Gentiana plant named ‘Little Pinkie’UNDER PATENTMay 20, 2034
- Blue StarPP27016Gentiana plant named ‘Blue Star’UNDER PATENTSeptember 25, 2034
- RI0405128PP27706Gentiana plant named ‘RI0405128’UNDER PATENTAugust 24, 2035
- Fi0304123PP31030Gentiana plant named ‘Fi0304123’UNDER PATENTJanuary 17, 2038
- Ashiro 272219PP34065Gentiana plant named ‘Ashiro 272219’UNDER PATENTMarch 10, 2041
- Ashiro 29-2030PP35011Gentian plant named ‘Ashiro 29-2030’UNDER PATENTDecember 20, 2041
- Ashiro 29-2076PP35012Gentian plant named ‘Ashiro 29-2076’UNDER PATENTDecember 20, 2041
- Ashiro 29-2075PP35013Gentian plant named ‘Ashiro 29-2075’UNDER PATENTDecember 20, 2041
- Ashiro 29-2065PP35042Gentiana plant named ‘Ashiro 29-2065’UNDER PATENTDecember 20, 2041
- Ashiro 29-2059PP35061Gentiana plant named ‘Ashiro 29-2059’UNDER PATENTDecember 20, 2041
- Ashiro 29-2005PP35062Gentiana plant named ‘Ashiro 29-2005’UNDER PATENTDecember 20, 2041
- Ashiro 29-2073PP35190Gentiana plant named ‘Ashiro 29-2073’UNDER PATENTJanuary 2, 2042
Already in the public domain — 2 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.
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.