Genus
Stenotaphrum
18 US plant patents have been granted in this genus. 10 are already in the public domain — anyone may propagate and sell them. The next of the 8 still protected comes off patent on November 7, 2027.
Still under patent — 8 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- NUF-76PP21280St. Augustine grass plant named ‘NUF-76’UNDER PATENTNovember 7, 2027
- PolarisPP21240St. Augustinegrass plant named ‘Polaris’UNDER PATENTFebruary 1, 2028
- MSA-31PP21603St. Augustinegrass plant named ‘MSA-31’UNDER PATENTNovember 14, 2028
- DALSA 0605PP27393St. Augustinegrass plant named ‘DALSA 0605’UNDER PATENTApril 2, 2035
- PAL42PP27538Stenotaphrum secundatum plant named ‘PAL42’UNDER PATENTNovember 6, 2035
- FSA1602PP32645St. Augustinegrass plant named ‘FSA1602’UNDER PATENTJune 14, 2039
- DALSA 1618PP35807Hybrid St. Augustinegrass named ‘DALSA 1618’UNDER PATENTAugust 22, 2042
- XSA 11377PP36033St. Augustinegrass plant named ‘XSA 11377’UNDER PATENTJune 6, 2043
Already in the public domain — 10 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.
- TR 6-10PP17095St. Augustinegrass named ‘TR 6-10’PUBLIC DOMAINAugust 23, 2024
- B12PP16174St. Augustine grass named ‘B12’PUBLIC DOMAINDecember 24, 2023
- Dwarf #601PP11537St. Augustine grass plant named `Dwarf #601`PUBLIC DOMAINJuly 2, 2018
- W-1PP9671St. Augustinegrass named `W-1`PUBLIC DOMAINFebruary 23, 2015
- SS-100PP9395St. Augustine grass `SS-100`PUBLIC DOMAINApril 6, 2014
- FX-33PP7699St. Augustinegrass named `FX-33`PUBLIC DOMAINJuly 7, 2009
- 6-72-182PP6921St. Augustine grass `6-72-182`PUBLIC DOMAINApril 25, 2008
- 6-72-130PP6922St. Augustine Grass `6-72-130-`PUBLIC DOMAINApril 25, 2008
- SevillePP6372St. Augustine grassPUBLIC DOMAINAugust 7, 2006
- St. Augustine grassPP4097PUBLIC DOMAINSeptember 6, 1994
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.