Genus
Brunnera
21 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 18 still protected comes off patent on November 7, 2027.
Still under patent — 18 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Mr. MorsePP19947Brunnera plant named ‘Mr. Morse’UNDER PATENTNovember 7, 2027
- Silver LiningPP19851Brunnera Plant Named ‘Silver Lining’UNDER PATENTDecember 10, 2027
- Emerald MistPP20460Brunnera plant named ‘Emerald Mist’UNDER PATENTAugust 21, 2028
- SLDGPP22687Brunnera plant named ‘SLDG’UNDER PATENTFebruary 2, 2031
- NonurbPP23524Brunnera plant named ‘Nonurb’UNDER PATENTJanuary 25, 2032
- Silver HeartPP24685Brunnera plant named ‘Silver Heart’UNDER PATENTFebruary 9, 2033
- Sea HeartPP24684Brunnera plant named ‘Sea Heart’UNDER PATENTFebruary 14, 2033
- Alexander's GreatPP25789Brunnera plant named ‘Alexander's Great’UNDER PATENTMarch 8, 2034
- Silver CharmPP27240Brunnera plant named ‘Silver Charm’UNDER PATENTJune 22, 2035
- Sterling SilverPP31280Brunnera macrophylla plant named ‘Sterling Silver’UNDER PATENTFebruary 1, 2039
- Queen of HeartsPP32737Brunnera macrophylla plant named ‘Queen of Hearts’UNDER PATENTAugust 20, 2039
- Jack of DiamondsPP32752Brunnera macrophylla plant named ‘Jack of Diamonds’UNDER PATENTAugust 20, 2039
- AlexandriaPP33777Brunnera plant named ‘Alexandria’UNDER PATENTFebruary 1, 2041
- FrostbitePP35059Brunnera plant named ‘Frostbite’UNDER PATENTOctober 3, 2042
- BalbrupostPP35844Brunnera plant named ‘Balbrupost’UNDER PATENTSeptember 22, 2043
- BalbruflinePP36281Brunnera plant named ‘Balbrufline’UNDER PATENTSeptember 22, 2043
- HBBM19PP37219Brunnera plant named ‘HBBM19’UNDER PATENTJuly 19, 2045
- BalfrosmicPP37381Brunnera plant named ‘Balfrosmic’UNDER PATENTSeptember 9, 2045
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.
- Looking GlassPP17829Brunnera macrophylla plant named ‘Looking Glass’PUBLIC DOMAINApril 15, 2026
- Silver WingsPP13706Brunnera plant named ‘Silver Wings’PUBLIC DOMAINJuly 30, 2021
- Jack FrostPP13859Brunnera macrophylla plant named ‘Jack Frost’PUBLIC DOMAINMay 25, 2021
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.