Plant
Schizachyrium
13 US plant patents name this plant. 1 has expired, so that cultivar is free to propagate and sell. The next of the 12 still protected comes off patent on January 13, 2029.
Still under patent — 12 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- CarouselPP20948Schizachyrium plant named ‘Carousel’UNDER PATENTJanuary 13, 2029
- Standing OvationPP25202Schizachyrium plant named ‘Standing Ovation’UNDER PATENTOctober 31, 2032
- Prairie MunchkinPP26335Schizachyrium plant named ‘Prairie Munchkin’UNDER PATENTApril 10, 2034
- Twilight ZonePP27432Schizachyrium plant named ‘Twilight Zone’UNDER PATENTApril 19, 2035
- Smoke SignalPP27433Schizachyrium plant named ‘Smoke Signal’UNDER PATENTApril 22, 2035
- Blue ParadisePP28145Schizachyrium plant named ‘Blue Paradise’UNDER PATENTMay 12, 2036
- ChameleonPP31339Schizachyrium plant named ‘Chameleon’UNDER PATENTOctober 24, 2038
- Ha Ha TonkaPP32374Schizachyrium plant named ‘Ha Ha Tonka’UNDER PATENTJanuary 13, 2040
- ECGSSPP33433Schizachyrium plant named ‘ECGSS’UNDER PATENTDecember 13, 2040
- Brush StrokesPP36206Schizachyrium plant named ‘Brush Strokes’UNDER PATENTNovember 7, 2043
- Little Red FoxPP36738Schizachyrium grass named ‘Little Red Fox’UNDER PATENTMarch 7, 2044
- SandhillPP36359Schizachyrium scoparium plant named ‘Sandhill’UNDER PATENTMarch 26, 2044
Already in the public domain — 1 cultivar
Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.
- MinnblueAPP17310Schizachyrium plant named ‘MinnblueA’PUBLIC DOMAINMay 2, 2025
Botanically this is Schizachyrium. A patent expiring frees the plant, and its cultivar name with it — cultivar names cannot be trademarked. Any brand name it is sold under is a separate thing and may still be owned.