Nursery or breeding house
UNIV NORTH CAROLINA STATE
150 US plant patents, granted between 2004 and 2026.
Still under patent — 136 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Miss RubyPP19950Buddleja plant named ‘Miss Ruby’UNDER PATENTOctober 31, 2027
- Blue ChipPP19991Buddleja plant named ‘Blue Chip’UNDER PATENTNovember 9, 2027
- NantahalaPP20689Raspberry named ‘Nantahala’UNDER PATENTJanuary 15, 2028
- NCHA1PP20765Hydrangea plant named ‘NCHA1’UNDER PATENTNovember 17, 2028
- Pink StormPP20920Flowering quince plant named ‘Pink Storm’UNDER PATENTMarch 9, 2029
- Orange StormPP20950Flowering quince plant named ‘Orange Storm’UNDER PATENTMarch 9, 2029
- Scarlet StormPP20951Flowering quince plant named ‘Scarlet Storm’UNDER PATENTMarch 9, 2029
- CrystalinaPP21561Clethra alnifolia plant named “Crystalina”UNDER PATENTOctober 13, 2029
- NCORNSP-011MNLCPP21743Sweetpotato plant named ‘NCORNSP-011MNLC’UNDER PATENTNovember 9, 2029
- NCORNSP-012EMLCPP21744Sweetpotato plant named ‘NCORNSP-012EMLC’UNDER PATENTNovember 9, 2029
- SunsetPP23212Weigela shrub named ‘Sunset’UNDER PATENTJanuary 6, 2031
- BlizzardPP23329Pearlbush plant named ‘Blizzard’UNDER PATENTMarch 12, 2031
- NCORNSP-013GNLCPP23612Sweetpotato plant named ‘NCORNSP-013GNLC’UNDER PATENTApril 26, 2031
- NCORNSP-015SCPIPP23613Sweetpotato plant named ‘NCORNSP-015SCPI’UNDER PATENTApril 27, 2031
- NCORNSP-014BWPIPP23651Sweetpotato plant named ‘NCORNSP-014BWPI’UNDER PATENTApril 28, 2031
- Lilac ChipPP24016Buddleja plant named ‘Lilac Chip’UNDER PATENTDecember 31, 2031
- AphroditePP24014Calycanthus plant named ‘Aphrodite’UNDER PATENTFebruary 3, 2032
- WHITEWATERPP23998Cercis tree named ‘WHITEWATER’UNDER PATENTMarch 20, 2032
- Purple HazePP24514Buddleja plant named ‘Purple Haze’UNDER PATENTMay 17, 2032
- NCPUR06-020PP25538Industrial sweetpotato plant named ‘NCPUR06-020’UNDER PATENTAugust 2, 2033
- NCDX1PP25916Deutzia plant named ‘NCDX1’UNDER PATENTJanuary 22, 2034
- NCCX1PP26000Beautyberry plant named ‘NCCX1’UNDER PATENTJanuary 22, 2034
- NCAJ1PP25813Albizia julibrissin tree name ‘NCAJ1’UNDER PATENTJanuary 31, 2034
- NCHC1PP25941Hypericum plant named ‘NCHC1’UNDER PATENTFebruary 5, 2034
- NCMS1PP26387Miscanthus sinensis grass named ‘NCMS1’UNDER PATENTJuly 24, 2034
- Blue Chip JrPP26581Buddleja plant named ‘Blue Chip Jr’UNDER PATENTJuly 31, 2034
- NCCH1PP26542Interspecific hybrid dogwood named ‘NCCH1’UNDER PATENTAugust 1, 2034
- Pink Micro ChipPP26547Buddleja plant named ‘Pink Micro Chip’UNDER PATENTAugust 1, 2034
- NCPX1PP26539Interspecific hybrid flowering pear ‘NCPX1’UNDER PATENTAugust 26, 2034
- PinnaclePP26899Blueberry plant named ‘Pinnacle’UNDER PATENTAugust 29, 2034
- NCIV1PP27109Winterberry holly plant named ‘NCIV1’UNDER PATENTNovember 18, 2034
- VonPP27299Blackberry named ‘Von’UNDER PATENTDecember 24, 2034
- NCLX1PP27301Ligustrum plant named ‘NCLX1’UNDER PATENTJanuary 14, 2035
- Pink Pom PomsPP27630Cercis plant named ‘Pink Pom Poms’UNDER PATENTApril 8, 2035
- NCCC1PP27712Cercis tree named ‘NCCC1’UNDER PATENTApril 18, 2035
- NCPH1PP27579Hybrid flowering cherry tree named ‘NCPH1’UNDER PATENTMay 1, 2035
- NCVR1PP28094Viburnum plant named ‘NCVR1’UNDER PATENTAugust 14, 2035
- NCVX1PP28095Viburnum plant named ‘NCVX1’UNDER PATENTAugust 14, 2035
- NCDX2PP28347Deutzia plant named ‘NCDX2’UNDER PATENTAugust 24, 2035
- Miss VioletPP28448Buddleja plant named ‘Miss Violet’UNDER PATENTOctober 31, 2035
- NCORNSP-019SCSHLMPP28318Sweetpotato plant named ‘NCORNSP-019SCSHLM’UNDER PATENTNovember 19, 2035
- MISS PEARLPP28553Buddleja plant named ‘MISS PEARL’UNDER PATENTDecember 31, 2035
- HeintoogaPP28790Blueberry plant named ‘Heintooga’UNDER PATENTMarch 26, 2036
- NCIV3PP28937Ilex plant named ‘NCIV3’UNDER PATENTApril 7, 2036
- NCIV2PP28938Ilex plant named ‘NCIV2’UNDER PATENTApril 7, 2036
- NCCX2PP28312Beautyberry ‘NCCX2’UNDER PATENTApril 8, 2036
- NCSX1PP28313Spiraea ‘NCSX1’UNDER PATENTApril 8, 2036
- NCBT1PP30330Berberis plant named ‘NCBT1’UNDER PATENTMay 18, 2036
- NCMX1PP29218Magnolia tree named ‘NCMX1’UNDER PATENTMay 28, 2036
- NCCE1PP28998Evergreen dogwood plant named ‘NCCE1’UNDER PATENTJune 8, 2036
- NCBX1PP29504Berberis plant named ‘NCBX1’UNDER PATENTJuly 9, 2036
- NCIH2PP29938Illicium plant named ‘NCIH2’UNDER PATENTDecember 9, 2036
- NCIH1PP29939Illicium plant named ‘NCIH1’UNDER PATENTDecember 9, 2036
- NCORNSP-020BWGWEPP29803Sweetpotato plant named ‘NCORNSP-020BWGWE’UNDER PATENTDecember 29, 2036
- NCORNSP-023BWAMPP29858Sweetpotato plant named ‘NCORNSP-023BWAM’UNDER PATENTDecember 29, 2036
- NCORNSP-021SHJBPP29378Sweetpotato plant named ‘NCORNSP-021SHJB’UNDER PATENTDecember 30, 2036
- NCMS2BPP29460Miscanthus sinensis plant named ‘NCMS2B’UNDER PATENTApril 14, 2037
- NC05-198PP29942Sweetpotato plant named ‘NC05-198’UNDER PATENTApril 14, 2037
- NCHA5PP30296Hydrangea plant named ‘NCHA5’UNDER PATENTMay 30, 2037
- NCHA7PP30358Hydrangea plant named ‘NCHA7’UNDER PATENTMay 30, 2037
- NCHA8PP30431Hydrangea plant named ‘NCHA8’UNDER PATENTMay 30, 2037
- NCCO1PP30216Smokebush plant named ‘NCCO1’UNDER PATENTJuly 11, 2037
- NCCS4PP30231Flowering quince plant named ‘NCCS4’UNDER PATENTAugust 9, 2037
- NCSX2PP30953Spiraea plant named ‘NCSX2’UNDER PATENTMarch 9, 2038
- NCPX2PP30788Triploid interspecific hybrid flowering pear tree named ‘NCPX2’UNDER PATENTApril 11, 2038
- NCRX1PP31150Rhododendron plant named ‘NCRX1’UNDER PATENTAugust 16, 2038
- NCXP1PP31409Pyracomeles vilmorinii plant named ‘NCXP1’UNDER PATENTAugust 16, 2038
- NC2016-2PP31260Cercis plant named ‘NC2016-2’UNDER PATENTDecember 18, 2038
- NC2015-12PP31658Cercis plant named ‘NC2015-12’UNDER PATENTDecember 19, 2038
- NCPR-7PP32190Prunus plant named ‘NCPR-7’UNDER PATENTDecember 27, 2038
- NCORNSP-024SCRIPP31837Sweetpotato plant named ‘NCORNSP-024SCRI’UNDER PATENTMarch 8, 2039
- NCORNSP-025SCKPP31855Sweetpotato plant named ‘NCORNSP-025SCK’UNDER PATENTMarch 8, 2039
- NCRX2PP31898Rhododendron plant named ‘NCRX2’UNDER PATENTMarch 28, 2039
- NCS 10-156PP32432Strawberry plant named ‘NCS 10-156’UNDER PATENTJuly 19, 2039
- NCS 10-038PP32705Strawberry plant named ‘NCS 10-038’UNDER PATENTJuly 19, 2039
- NCRX3PP32819Rhododendron plant named ‘NCRX3’UNDER PATENTNovember 12, 2039
- NCHA6PP33142Hydrangea plant named ‘NCHA6’UNDER PATENTJune 16, 2040
- NCVX3PP33203Viburnum plant named ‘NCVX3’UNDER PATENTJune 16, 2040
- NCRX4PP33205Azalea plant named ‘NCRX4’UNDER PATENTJune 16, 2040
- NCVX4PP33229Viburnumplant named ‘NCVX4’UNDER PATENTJune 16, 2040
- NCBT2PP33272Berberis plant named ‘NCBT2’UNDER PATENTJune 16, 2040
- NCVX2PP33479Viburnum plant named ‘NCVX2’UNDER PATENTJune 16, 2040
- NCORNSP-027SCMGPP34146Sweetpotato plant named ‘NCORNSP-027SCMG’UNDER PATENTApril 30, 2041
- NCVP1PP33899Viburnum plant named ‘NCVP1’UNDER PATENTJune 9, 2041
- NCRX5PP33900Azalea plant named ‘NCRX5’UNDER PATENTJune 9, 2041
- NCRX8PP33922Azalea plant ‘NCRX8’UNDER PATENTJune 9, 2041
- NCRX7PP33923Azalea plant ‘NCRX7’UNDER PATENTJune 9, 2041
- NCRX6PP33945Azalea plant named ‘NCRX6’UNDER PATENTJune 9, 2041
- NCFI1PP34139Fothergilla plant named ‘NCFI1’UNDER PATENTJune 9, 2041
- NCLO1PP34245Ligustrum ovalifolium plant named ‘NCLO1’UNDER PATENTJune 9, 2041
- NCPeach-6PP34261Peach plant named ‘NCPeach-6’UNDER PATENTJune 14, 2041
- NCPUR13-0315PP34093Sweetpotato plant named ‘NCPUR13-0315’UNDER PATENTJuly 15, 2041
- NC04-0531PP34125Sweetpotato plant named ‘NC04-0531’UNDER PATENTJuly 15, 2041
- NCPUR13-0030PP34126Sweetpotato plant named ‘NCPUR13-0030’UNDER PATENTJuly 15, 2041
- NCMH1PP34442Mahonia plant named ‘NCMH1’UNDER PATENTOctober 14, 2041
- NCMH2PP34443Mahonia plant named ‘NCMH2’UNDER PATENTOctober 14, 2041
- NC2017-108PP34293Cercis tree named ‘NC2017-108’UNDER PATENTJanuary 12, 2042
- NCMS3PP34712Miscanthus plant named ‘NCMS3’UNDER PATENTMay 24, 2042
- NCRX10PP35049Rhododendron plant ‘NCRX10’UNDER PATENTJune 21, 2042
- NCBT3PP35050Berberis plant ‘NCBT3’UNDER PATENTJune 21, 2042
- NCRX9PP35072Rhododendron plant ‘NCRX9’UNDER PATENTJune 21, 2042
- NCRX11PP35082Rhododendron plant named ‘NCRX11’UNDER PATENTJune 21, 2042
- NC2014-5PP35079Cercis plant named ‘NC2014-5’UNDER PATENTOctober 18, 2042
- NC2014-10PP35080Cercis plant named ‘NC2014-10’UNDER PATENTOctober 18, 2042
- NC2017-6PP35279Cercis plant named ‘NC2017-6’UNDER PATENTOctober 18, 2042
- NC2017-8PP35832Cercis plant named ‘NC2017-8’UNDER PATENTOctober 18, 2042
- NCORNSP-030ILPLPP35096Sweetpotato plant named ‘NCORNSP-030ILPL’UNDER PATENTNovember 15, 2042
- NCORNSP-029SCBCPP35148Sweetpotato vine named ‘NCORNSP-029SCBC’UNDER PATENTNovember 15, 2042
- NCORNSP-028SCKLPP35702Sweetpotato plant named ‘NCORNSP-028SCKL’UNDER PATENTNovember 15, 2042
- NCHP1PP35316Hydrangea plant named ‘NCHP1’UNDER PATENTJanuary 6, 2043
- NC2017-9PP35634Cercis plant named ‘NC2017-9’UNDER PATENTApril 16, 2043
- NCXC1PP35880x Chitalpa plant named ‘NCXC1’UNDER PATENTJune 6, 2043
- NCLJ1PP35881Ligustrum plant named ‘NCLJ1’UNDER PATENTJune 6, 2043
- NCXP2PP35913x Pyracomeles plant named ‘NCXP2’UNDER PATENTJune 6, 2043
- XSA 11377PP36033St. Augustinegrass plant named ‘XSA 11377’UNDER PATENTJune 6, 2043
- XZ 14069PP36252Zoysiagrass plant named ‘XZ 14069’UNDER PATENTJuly 13, 2043
- NC2017-92PP36009Cercis plant named ‘NC2017-92’UNDER PATENTDecember 28, 2043
- NC2017-113PP36029Cercis plant named ‘NC2017-113’UNDER PATENTDecember 28, 2043
- NCORNSP-031SHMGPP36237Sweetpotato plant named ‘NCORNSP-031SHMG’UNDER PATENTJanuary 24, 2044
- NCORNSP-032SCRHIPP36238Sweetpotato plant named ‘NCORNSP-032SCRHI’UNDER PATENTJanuary 24, 2044
- NC4499PP36212Vaccinium plant named ‘NC4499’UNDER PATENTFebruary 21, 2044
- NCEA1PP36198Euonymus plant named ‘NCEA1’UNDER PATENTFebruary 28, 2044
- NCRX12PP36323Rhododendron plant named ‘NCRX12’UNDER PATENTJune 17, 2044
- NCIC2PP36325Ilex plant named ‘NCIC2’UNDER PATENTJune 17, 2044
- NCVX5PP36488Viburnum plant named ‘NCVX5’UNDER PATENTJune 17, 2044
- NCDX3PP36667Deutzia plant named ‘NCDX3’UNDER PATENTJune 17, 2044
- NCIC1PP36671Ilex plant named ‘NCIC1’UNDER PATENTJune 17, 2044
- NCCH3PP36596Cornus plant named ‘NCCH3’UNDER PATENTJune 28, 2044
- SMNHAGOVPP36788Hydrangea plant named ‘SMNHAGOV’UNDER PATENTDecember 2, 2044
- NCB193PP36914Rhododendron plant named ‘NCB193’UNDER PATENTDecember 2, 2044
- NCB195PP36915Rhododendron plant named ‘NCB195’UNDER PATENTDecember 2, 2044
- NCORNSP-033SCMPPP36978Sweetpotato plant named ‘NCORNSP-033SCMP’UNDER PATENTMarch 28, 2045
- NCORNSP-034SCVPGPP37109Sweetpotato plant named ‘NCORNSP-034SCVPG’UNDER PATENTMarch 28, 2045
- NCBX3PP37164Berberis plant named ‘NCBX3’UNDER PATENTJune 21, 2045
- NCBT4PP37165Berberis plant named ‘NCBT4’UNDER PATENTJune 21, 2045
- NCHQ1PP37233Hydrangea plant named ‘NCHQ1’UNDER PATENTJune 21, 2045
Already in the public domain — 14 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.
- Sweet Caroline Sweetheart RedPP19013Ornamental sweetpotato plant named ‘Sweet Caroline Sweetheart Red’PUBLIC DOMAINJuly 10, 2026
- CovingtonPP18516Sweetpotato plant named ‘Covington’PUBLIC DOMAINMay 9, 2026
- Sweet Caroline Sweetheart Light GreenPP18572Ornamental sweetpotato plant named ‘Sweet Caroline Sweetheart Light Green’PUBLIC DOMAINMarch 31, 2026
- Sweet Caroline Sweetheart PurplePP18573Ornamental sweetpotato plant named ‘Sweet Caroline Sweetheart Purple’PUBLIC DOMAINMarch 31, 2026
- Sweet Caroline Bewitched PurplePP18574Ornamental sweetpotato plant named ‘Sweet Caroline Bewitched Purple’PUBLIC DOMAINMarch 31, 2026
- Sweet Caroline Green YellowPP18673Ornamental sweetpotato plant named ‘Sweet Caroline Green Yellow’PUBLIC DOMAINMarch 31, 2026
- Sweet Caroline RedPP17483Ornamental sweetpotato plant named ‘Sweet Caroline Red’PUBLIC DOMAINDecember 28, 2024
- Carolina GoldPP17780Peach tree named ‘Carolina Gold’PUBLIC DOMAINNovember 22, 2024
- VenusPP15925Hybrid Calycanthus plant named ‘Venus’PUBLIC DOMAINNovember 24, 2023
- BishPP15552Strawberry plant named ‘Bish’PUBLIC DOMAINOctober 14, 2023
- Sweet Caroline BronzePP15437Ornamental sweetpotato plant named ‘Sweet Caroline Bronze’PUBLIC DOMAINApril 29, 2022
- Sweet Caroline PurplePP14912Ornamental sweetpotato plant named ‘Sweet Caroline Purple’PUBLIC DOMAINApril 2, 2022
- Sweet Caroline Light GreenPP15028Ornamental sweetpotato plant named ‘Sweet Caroline Light Green’PUBLIC DOMAINApril 2, 2022
- Sweet Caroline GreenPP15056Ornamental sweetpotato plant named ‘Sweet Caroline Green’PUBLIC DOMAINApril 2, 2022