Plant
Dianella
19 US plant patents name this plant. 9 have expired, so those cultivars are free to propagate and sell. The next of the 10 still protected comes off patent on January 24, 2027.
Still under patent — 10 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- TAS100PP19338Dianella plant named ‘TAS100’UNDER PATENTJanuary 24, 2027
- Dinky DiPP20902Dianella plant named ‘Dinky Di’UNDER PATENTNovember 15, 2027
- John 316PP20794Dianella caerulea plant named ‘John 316’UNDER PATENTFebruary 15, 2028
- DPV308PP21281Dianella prunina plant named ‘DPV308’UNDER PATENTApril 23, 2029
- TAS300PP22196Dianella tasmanica plant names ‘TAS300’UNDER PATENTFebruary 13, 2030
- NPW2PP23084Dianella tasmanica plant named ‘NPW2’UNDER PATENTMay 28, 2030
- Allyn-CitationPP22965Dianella plant named ‘Allyn-Citation’UNDER PATENTJuly 30, 2030
- FortunegoldPP25148Dianella plant named ‘Fortunegold’UNDER PATENTJuly 15, 2033
- DCGLPP26941Dianella caerulea plant named ‘DCGL’UNDER PATENTOctober 3, 2034
- DP401PP27348Dianella hybrid plant named ‘DP401’UNDER PATENTJanuary 6, 2035
Already in the public domain — 9 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.
- DT23PP19253Dianella tasmanica plant named ‘DT23’PUBLIC DOMAINAugust 29, 2026
- DTN03PP18883Dianella revoluta plant named ‘DTN03’PUBLIC DOMAINApril 7, 2026
- DCNCOPP18505Dianella caerulea plant named ‘DCNCO’PUBLIC DOMAINOctober 26, 2025
- DBB03PP17998Dianella caerulea plant named ‘DBB03’PUBLIC DOMAINSeptember 29, 2025
- DCMP01PP18452Dianella caerulea plant named ‘DCMP01’PUBLIC DOMAINSeptember 29, 2025
- DRG04PP18454Dianella revoluta plant named ‘DRG04’PUBLIC DOMAINSeptember 29, 2025
- TR20PP18737Dianella tasmanica plant named ‘TR20’PUBLIC DOMAINSeptember 29, 2025
- DR5000PP17719Dianella revoluta plant named ‘DR5000’PUBLIC DOMAINFebruary 26, 2025
- SOUGOLDPP13705Dianella plant named ‘SOUGOLD’PUBLIC DOMAINMay 8, 2021
Botanically this is Dianella. 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.