Genus
Panicum
28 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 26 still protected comes off patent on July 30, 2027.
Still under patent — 26 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Prairie FirePP19367Panicum plant named ‘Prairie Fire’UNDER PATENTJuly 30, 2027
- ThundercloudPP20665Panicum plant named ‘Thundercloud’UNDER PATENTJuly 30, 2028
- Huron SolsticePP21498Panicum plant named ‘Huron Solstice’UNDER PATENTDecember 25, 2028
- Cheyenne SkyPP23209Panicum plant named ‘Cheyenne Sky’UNDER PATENTMarch 25, 2031
- Cape BreezePP24895Panicum plant named ‘Cape Breeze’UNDER PATENTApril 8, 2033
- Hot RodPP26074Panicum virgatum plant named ‘Hot Rod’UNDER PATENTApril 29, 2033
- Apache RosePP29142Panicum plant named ‘Apache Rose’UNDER PATENTNovember 30, 2035
- Blue FountainPP28192Panicum plant named ‘Blue Fountain’UNDER PATENTMay 12, 2036
- Purple TearsPP28518Panicum plant named ‘Purple Tears’UNDER PATENTMay 26, 2036
- Bad Hair DayPP29313Panicum plant named ‘Bad Hair Day’UNDER PATENTDecember 28, 2036
- Panicum plant named Totem PolePP29951UNDER PATENTNovember 15, 2037
- Prairie DogPP32736Panicum virgatum plant named ‘Prairie Dog’UNDER PATENTDecember 23, 2039
- GunsmokePP32373Panicum plant named ‘Gunsmoke’UNDER PATENTJanuary 30, 2040
- Niagara fallsPP34509Panicum plant named ‘Niagara falls’UNDER PATENTApril 28, 2042
- Red FlamePP35213Panicum plant named ‘Red Flame’UNDER PATENTNovember 4, 2042
- NoneulbyPP36204Panicum plant named ‘Noneulby’UNDER PATENTJanuary 24, 2044
- NonlufhtPP36205Panicum plant named ‘Nonlufht’UNDER PATENTJanuary 24, 2044
- NondeePP36232Panicum plant named ‘Nondee’UNDER PATENTJanuary 24, 2044
- NontlobgPP36395Panicum plant named ‘Nontlobg’UNDER PATENTJanuary 24, 2044
- NonesoryPP36511Panicum plant named ‘Nonesory’UNDER PATENTMarch 3, 2044
- Blue LimePP36813Panicum plant named ‘Blue Lime’UNDER PATENTJanuary 5, 2045
- Half PintPP37059Panicum plant named ‘Half Pint’UNDER PATENTJanuary 29, 2045
- Dust in the WindPP37426Panicum virgatum plant named ‘Dust in the Wind’UNDER PATENTApril 7, 2045
- October SkyPP37339Panicum plant named ‘October Sky’UNDER PATENTSeptember 23, 2045
- SwitcherooPP37388Panicum plant named ‘Switcheroo’UNDER PATENTNovember 13, 2045
- Smoking GunPP37424Panicum grass named ‘Smoking Gun’UNDER PATENTDecember 11, 2045
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.
- RR1PP17944Panicum plant named ‘RR1’PUBLIC DOMAINJune 5, 2026
- Dallas BluesPP11202Panicum plant named `Dallas Blues`PUBLIC DOMAINJune 8, 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.