Nursery or breeding house
PLANT 21 LLC
163 US plant patents, granted between 2003 and 2021.
Still under patent — 105 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- USCALI212-1PP18421Calibrachoa plant named ‘USCALI212-1’UNDER PATENTSeptember 14, 2026
- USCAL1214-1PP18431Calibrachoa plant named ‘USCAL1214-1’UNDER PATENTSeptember 14, 2026
- USCALI223-1PP18432Calibrachoa plant named ‘USCALI223-1’UNDER PATENTSeptember 14, 2026
- USCALI518-1PP18433Calibrachoa plant named ‘USCALI518-1’UNDER PATENTSeptember 14, 2026
- USBENA6201PP18434Verbena plant named ‘USBENA6201’UNDER PATENTSeptember 14, 2026
- USPHLO1MPP19089Phlox plant named ‘USPHLO1M’UNDER PATENTMarch 16, 2027
- USPHL03MPP19098Phlox plant named ‘USPHL03M’UNDER PATENTMarch 16, 2027
- USCALI402-1PP19480Calibrachoa plant named ‘USCALI402-1’UNDER PATENTOctober 25, 2027
- USCALI411-7PP19492Calibrachoa plant named ‘USCALI411-7’UNDER PATENTOctober 25, 2027
- USCALI413-4PP19493Calibrachoa plant named ‘USCALI413-4’UNDER PATENTOctober 25, 2027
- USCALI386-2PP19734Calibrachoa plant named ‘USCALI386-2’UNDER PATENTOctober 25, 2027
- USCALI411-12PP19753Calibrachoa plant named ‘USCALI411-12’UNDER PATENTOctober 25, 2027
- USCAL1413-8PP19843Calibrachoa plant named ‘USCAL1413-8’UNDER PATENTOctober 25, 2027
- USCALI413-11PP19713Calibrachoa plant named ‘USCALI413-11’UNDER PATENTFebruary 6, 2028
- USSCO401-3PP19933Scoparia plant named ‘USSCO401-3’UNDER PATENTFebruary 19, 2028
- USTUNI60-01MPP20903Petunia plant named ‘USTUNI60-01M’UNDER PATENTNovember 12, 2028
- USCALI99MPP20908Calibrachoa plant named ‘USCALI99M’UNDER PATENTNovember 12, 2028
- USCAL56501PP21628Calibrachoa plant named ‘USCAL56501’UNDER PATENTNovember 14, 2029
- BHTUN31501PP21649Petunia plant named ‘BHTUN31501’UNDER PATENTNovember 14, 2029
- USCAL48804PP21659Calibrachoa plant named ‘USCAL48804’UNDER PATENTNovember 14, 2029
- USCAL53002PP21660Calibrachoa plant named ‘USCAL53002’UNDER PATENTNovember 14, 2029
- USTUN19603PP21675Petunia plant named ‘USTUN19603’UNDER PATENTNovember 14, 2029
- USPLX50304PP21623Phlox plant named ‘USPLX50304’UNDER PATENTDecember 9, 2029
- AKIV98-01PP21639Verbena plant named ‘AKIV98-01’UNDER PATENTDecember 9, 2029
- AKIV5-4PP21640Verbena plant named ‘AKIV5-4’UNDER PATENTDecember 9, 2029
- AKIV344-01PP21643Verbena plant named ‘AKIV344-01’UNDER PATENTDecember 9, 2029
- USPLX50302PP21645Phlox plant named ‘USPLX50302’UNDER PATENTDecember 9, 2029
- USPLX60306PP21646Phlox plant named ‘USPLX60306’UNDER PATENTDecember 9, 2029
- USNRB1201PP21662Nierembergia plant named ‘USNRB1201’UNDER PATENTDecember 9, 2029
- USHTRP0303PP21681Heliotrope plant named ‘USHTRP0303’UNDER PATENTDecember 9, 2029
- USLOB0901PP21791Lobelia plant named ‘USLOB0901’UNDER PATENTDecember 16, 2029
- USLOB13PP21813Lobelia plant named ‘USLOB13’UNDER PATENTDecember 16, 2029
- USRHOD0701PP22682Rhodanthemum plant named ‘USRHOD0701’UNDER PATENTSeptember 21, 2030
- USMECA8205PP22871Mecardonia plant named ‘USMECA8205’UNDER PATENTDecember 11, 2030
- USTUN29801PP22883Petunia plant named ‘USTUN29801’UNDER PATENTDecember 23, 2030
- USTUN34803PP22884Petunia plant named ‘USTUN34803’UNDER PATENTDecember 23, 2030
- USCAL66501PP22942Calibrachoa plant named ‘USCAL66501’UNDER PATENTJanuary 28, 2031
- USCAL68604PP22964Calibrachoa plant named ‘USCAL68604’UNDER PATENTJanuary 29, 2031
- USCAL58205PP22941Calibrachoa plant named ‘USCAL58205’UNDER PATENTFebruary 2, 2031
- AKIV572-1PP23050Verbena plant named ‘AKIV572-1’UNDER PATENTMarch 5, 2031
- USCAL88203PP23229Calibrachoa plant named ‘USCAL88203’UNDER PATENTJuly 8, 2031
- USCAL87502PP23230Calibrachoa plant named ‘USCAL87502’UNDER PATENTJuly 8, 2031
- USCAL84704PP23231Calibrachoa plant named ‘USCAL84704’UNDER PATENTJuly 8, 2031
- USCAL91001PP23232Calibrachoa plant named ‘USCAL91001’UNDER PATENTJuly 8, 2031
- USFUC0901PP24262Fuchsia plant named ‘USFUC0901’UNDER PATENTJuly 11, 2032
- USCAL5302MPP24353Calibrachoa plant named ‘USCAL5302M’UNDER PATENTAugust 27, 2032
- USCAL85101PP24438Calibrachoa plant named ‘USCAL85101’UNDER PATENTSeptember 11, 2032
- USCAL08501PP24503Calibrachoa plant named ‘USCAL08501’UNDER PATENTSeptember 11, 2032
- USEVO1201PP24447Evolvulus plant named ‘USEVO1201’UNDER PATENTSeptember 17, 2032
- USTUN48002PP24501Petunia plant named ‘USTUN48002’UNDER PATENTSeptember 25, 2032
- USTUN47601PP24521Petunia plant named ‘USTUN47601’UNDER PATENTSeptember 26, 2032
- RIKAV17805PP25394Verbena plant named ‘RIKAV17805’UNDER PATENTJuly 23, 2033
- USCAL 12202PP25385Calibrachoa plant named ‘USCAL 12202’UNDER PATENTJuly 30, 2033
- RIKAV18302PP25396Verbena plant named ‘RIKAV18302’UNDER PATENTAugust 7, 2033
- RIKAV14704PP25395Verbena plant named ‘RIKAV14704’UNDER PATENTAugust 9, 2033
- USCAL09301PP25402Calibrachoa plant named ‘USCAL09301’UNDER PATENTAugust 9, 2033
- USTUN51501PP25459Petunia plant named ‘USTUN51501’UNDER PATENTAugust 20, 2033
- BHTUN6202PP25486Petunia plant named ‘BHTUN6202’UNDER PATENTOctober 15, 2033
- USCAL23101PP27010Calibrachoa plant named ‘USCAL23101’UNDER PATENTJanuary 22, 2035
- USCAL42202PP27008Calibrachoa plant named ‘USCAL42202’UNDER PATENTJanuary 24, 2035
- USCAL41401PP27009Calibrachoa plant named ‘USCAL41401’UNDER PATENTJanuary 24, 2035
- USTUN60501PP27343Petunia plant named ‘USTUN60501’UNDER PATENTMarch 24, 2035
- USTUN3003PP27312Petunia plant named ‘USTUN3003’UNDER PATENTMarch 25, 2035
- USTUN53402PP27390Petunia plant named ‘USTUN53402’UNDER PATENTMarch 30, 2035
- USTUN61801PP27391Petunia plant named ‘USTUN61801’UNDER PATENTMarch 30, 2035
- AKIV28902MPP27388Verbena plant named ‘AKIV28902M’UNDER PATENTApril 1, 2035
- USTUN69002PP27727Petunia plant named ‘USTUN69002’UNDER PATENTSeptember 4, 2035
- USCALCHSTMPP28243Calibrachoa plant named ‘USCALCHSTM’UNDER PATENTSeptember 4, 2035
- USTUNJ1901PP28051Petunia plant named ‘USTUNJ1901’UNDER PATENTOctober 22, 2035
- USTUNJ2401PP28028Petunia plant named ‘USTUNJ2401’UNDER PATENTOctober 27, 2035
- USTUN75102PP28052Petunia plant named ‘USTUN75102’UNDER PATENTOctober 27, 2035
- BHTUN65301PP28457Petunia plant named ‘BHTUN65301’UNDER PATENTJune 9, 2036
- RIKAV38602PP29013Verbena plant named ‘RIKAV38602’UNDER PATENTJuly 28, 2036
- RIKAV36504PP29063Verbena plant named ‘RIKAV36504’UNDER PATENTJuly 28, 2036
- BBCAL27801PP29030Calibrachoa plant named ‘BBCAL27801’UNDER PATENTAugust 10, 2036
- BBCAL26702PP29072Calibrachoa plant named ‘BBCAL26702’UNDER PATENTAugust 24, 2036
- JGCAL7901PP29919Calibrachoa plant named ‘JGCAL7901’UNDER PATENTNovember 15, 2036
- JGCAL09404PP29760Calibrachoa plant named ‘JGCAL09404’UNDER PATENTFebruary 16, 2037
- BBTUN91601PP29663Petunia plant named ‘BBTUN91601’UNDER PATENTJune 12, 2037
- USTUN2401MPP29664Petunia plant named ‘USTUN2401M’UNDER PATENTJune 12, 2037
- USCAL69404PP29667Calibrachoa plant named ‘USCAL69404’UNDER PATENTJune 12, 2037
- BBCAL76001PP29872Calibrachoa plant named ‘BBCAL76001’UNDER PATENTJune 12, 2037
- RIKA18302MPP29640Verbena plant named ‘RIKA18302M’UNDER PATENTJune 21, 2037
- BBSAL09001PP30206Salvia plant named ‘BBSAL09001’UNDER PATENTJuly 7, 2037
- USHYD0405PP31120Hydrangea plant named ‘USHYD0405’UNDER PATENTMay 9, 2038
- BBCAL82201PP30785Calibrachoa plant named ‘BBCAL82201’UNDER PATENTJune 28, 2038
- BBCAL87705PP30837Calibrachoa plant named ‘BBCAL87705’UNDER PATENTJune 28, 2038
- BBCAL85805PP30838Calibrachoa plant named ‘BBCAL85805’UNDER PATENTJune 28, 2038
- BBCAL81801PP30839Calibrachoa plant named ‘BBCAL81801’UNDER PATENTJune 28, 2038
- BBCAL85303PP30840Calibrachoa plant named ‘BBCAL85303’UNDER PATENTJune 28, 2038
- USCAL51505PP30803Calibrachoa plant named ‘USCAL51505’UNDER PATENTJuly 10, 2038
- USCAL81302PP30804Calibrachoa plant named ‘USCAL81302’UNDER PATENTJuly 10, 2038
- USTUN87002PP30833Petunia plant named ‘USTUN87002’UNDER PATENTJuly 10, 2038
- RIKA1832M3PP30897Verbena plant named ‘RIKA1832M3’UNDER PATENTJuly 10, 2038
- RIKAV45801PP30899Verbena plant named ‘RIKAV45801’UNDER PATENTJuly 10, 2038
- RIKAV44101PP30962Verbena plant named ‘RIKAV44101’UNDER PATENTJuly 10, 2038
- BBSAL00301PP30923Salvia plant named ‘BBSAL00301’UNDER PATENTJuly 12, 2038
- BBCAL83901PP32652Calibrachoa plant named ‘BBCAL83901’UNDER PATENTApril 17, 2040
- RIKAV52102PP32683Verbena plant named ‘RIKAV52102’UNDER PATENTApril 17, 2040
- BBCAL91303PP32690Calibrachoa plant named ‘BBCAL91303’UNDER PATENTApril 17, 2040
- BBSAL01301PP32694Salvia plant named ‘BBSAL01301’UNDER PATENTApril 30, 2040
- BBTUN91601M2PP32641Petunia plant named ‘BBTUN91601M2’UNDER PATENTMay 14, 2040
- BBTUN04401PP32687Petunia plant named ‘BBTUN04401’UNDER PATENTMay 14, 2040
- BBTUN22503PP32913Petunia plant named ‘BBTUN22503’UNDER PATENTMay 14, 2040
- BBTUN93201PP33278Petunia plant named ‘BBTUN93201’UNDER PATENTJuly 22, 2040
Already in the public domain — 58 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.
- USCALI671MPP17678Calibrachoa plant named ‘USCALI671M’PUBLIC DOMAINNovember 14, 2025
- USCALI99PP17679Calibrachoa plant name ‘USCALI99’PUBLIC DOMAINNovember 14, 2025
- USCALI53MPP17680Calibrachoa plant named ‘USCALI53M’PUBLIC DOMAINNovember 14, 2025
- USTUNI7501PP17726Petunia plant named ‘USTUNI7501’PUBLIC DOMAINNovember 14, 2025
- USTUNI7502PP17729Petunia plant named ‘USTUNI7502’PUBLIC DOMAINNovember 14, 2025
- USTUNI6001PP17730Petunia plant named ‘USTUNI6001’PUBLIC DOMAINNovember 14, 2025
- USPHLOTM6PP17797Phlox plant named ‘USPHLOTM6’PUBLIC DOMAINNovember 14, 2025
- USPHLO419PP17893Phlox plant named ‘USPHLO419’PUBLIC DOMAINNovember 14, 2025
- USPHLO322PP17894Phlox plant named ‘USPHLO322’PUBLIC DOMAINNovember 14, 2025
- USTUNI8902PP17895Petunia plant named ‘USTUNI8902’PUBLIC DOMAINNovember 14, 2025
- USTUNI6504PP17898Petunia plant named ‘USTUNI6504’PUBLIC DOMAINNovember 14, 2025
- USPHL304PP17899Phlox plant named ‘USPHL304’PUBLIC DOMAINNovember 14, 2025
- USANG5PP16814Anagallis plant named ‘USANG5’PUBLIC DOMAINMay 13, 2025
- USBENAS26PP16450Verbena plant named ‘USBENAS26’PUBLIC DOMAINApril 23, 2025
- Usmint2PP16790Saturozygis plant named ‘Usmint2’PUBLIC DOMAINMarch 7, 2025
- USCALI100PP16343Calibrachoa plant named ‘USCALI100’PUBLIC DOMAINFebruary 18, 2025
- USANG-4PP16459Anagallis plant named ‘USANG-4’PUBLIC DOMAINDecember 17, 2024
- USCALI67PP16324Calibrachoa plant named ‘USCALI67’PUBLIC DOMAINNovember 4, 2024
- USSCO10PP15934Scoparia plant named ‘USSCO10’PUBLIC DOMAINNovember 3, 2024
- USPHL03PP15846Phlox plant named ‘USPHL03’PUBLIC DOMAINJuly 24, 2024
- USBENAS4PP16065Verbena plant named ‘USBENAS4’PUBLIC DOMAINJune 29, 2024
- USBENA291PP16015Verbena plant named ‘USBENA291’PUBLIC DOMAINJune 8, 2024
- USBENA361PP15983Verbena plant named ‘USBENA361’PUBLIC DOMAINMay 25, 2024
- USMECA67PP15777Mecardonia plant named ‘USMECA67’PUBLIC DOMAINMay 5, 2024
- USBENAS18PP15672Verbena plant named ‘USBENAS18’PUBLIC DOMAINApril 29, 2024
- USBENAS10PP15673Verbena plant named ‘USBENAS10’PUBLIC DOMAINApril 29, 2024
- USBENA5122PP15674Verbena plant named ‘USBENA5122’PUBLIC DOMAINApril 29, 2024
- USBENAS24PP15675Verbena plant named ‘USBENAS24’PUBLIC DOMAINApril 29, 2024
- USTUNI207PP15607Petunia plant named ‘USTUNI207’PUBLIC DOMAINApril 19, 2024
- USPHL01PP15608Phlox plant named ‘USPHL01’PUBLIC DOMAINApril 19, 2024
- USPHL02PP15611Phlox plant named ‘USPHL02’PUBLIC DOMAINApril 19, 2024
- USTUNI164PP15696Petunia plant named ‘USTUNI164’PUBLIC DOMAINApril 19, 2024
- USCALI17PP15701Calibrachoa plant named ‘USCALI17’PUBLIC DOMAINApril 19, 2024
- USCALI48PP15707Calibrachoa plant named ‘USCALI48’PUBLIC DOMAINApril 19, 2024
- USCALI4PP15724Calibrachoa plant named ‘USCALI4’PUBLIC DOMAINApril 19, 2024
- USBENAL25PP15683Verbena plant named ‘USBENAL25’PUBLIC DOMAINSeptember 14, 2023
- Uscali28PP14847Calibrachoa plant named ‘Uscali28’PUBLIC DOMAINAugust 11, 2023
- Usbenal5PP14851Verbena plant named ‘Usbenal5’PUBLIC DOMAINAugust 11, 2023
- USTUNI218PP14852Petunia plant named ‘USTUNI218’PUBLIC DOMAINAugust 11, 2023
- Usbenal8PP14853Verbena plant named ‘Usbenal8’PUBLIC DOMAINAugust 11, 2023
- USBENAL11PP14854Verbena plant named ‘USBENAL11’PUBLIC DOMAINAugust 11, 2023
- Ustuni153PP14856Petunia plant named ‘Ustuni153’PUBLIC DOMAINAugust 11, 2023
- MediopimoPP14858Petunia plant named ‘Mediopimo’PUBLIC DOMAINAugust 11, 2023
- Ustuni223PP14871Petunia plant named ‘Ustuni223’PUBLIC DOMAINAugust 11, 2023
- USCALI47PP14872Calibrachoa plant named ‘USCALI47’PUBLIC DOMAINAugust 11, 2023
- USTUNI76PP14873Petunia plant named ‘USTUNI76’PUBLIC DOMAINAugust 11, 2023
- Uscali51PP14874Calibrachoa plant named ‘Uscali51’PUBLIC DOMAINAugust 11, 2023
- Usbenal21PP14875Verbena plant named ‘Usbenal21’PUBLIC DOMAINAugust 11, 2023
- Usbenal20PP14876Verbena plant named ‘Usbenal20’PUBLIC DOMAINAugust 11, 2023
- USBENAL17PP14877Verbena plant named ‘USBENAL17’PUBLIC DOMAINAugust 11, 2023
- USCALI6PP14955Calibrachoa plant named ‘USCALI6’PUBLIC DOMAINAugust 11, 2023
- USCALI11PP14968Calibrachoa plant named ‘USCALI11’PUBLIC DOMAINAugust 11, 2023
- Gicomwhi-14PP14507Sutera plant named ‘Gicomwhi-14’PUBLIC DOMAINMarch 10, 2023
- ConlilacPP13537Petunia plant named ‘Conlilac’PUBLIC DOMAINNovember 30, 2021
- ConstrawPP13539Petunia plant named ‘Constraw’PUBLIC DOMAINNovember 30, 2021
- ConbluePP13543Petunia plant named ‘Conblue’PUBLIC DOMAINNovember 30, 2021
- ConglowPP13545Petunia plant named ‘Conglow’PUBLIC DOMAINNovember 30, 2021
- ConblossPP13556Petunia plant named ‘Conbloss’PUBLIC DOMAINNovember 30, 2021