Nursery or breeding house
TWYFORD INT INC
41 US plant patents, granted between 1994 and 2007.
Filed under the TWYFORD name. Related entities are listed separately on the TWYFORD search, because a company and a person are not the same filer even when the name matches.
Already in the public domain — 41 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.
- TWYCA0018PP17574Calathea plant named ‘TWYCA0018’PUBLIC DOMAINOctober 6, 2025
- TWYAN0015PP17781Anthurium plant named ‘TWYAN0015’PUBLIC DOMAINOctober 6, 2025
- TWYAG0003PP17673Aglaonema plant named ‘TWYAG0003’PUBLIC DOMAINSeptember 20, 2025
- MiaPP16425Calathea plant named ‘Mia’PUBLIC DOMAINFebruary 9, 2025
- IndriPP16028Calathea plant named ‘Indri’PUBLIC DOMAINDecember 9, 2024
- HolidayPP15924Guzmania plant named ‘Holiday’PUBLIC DOMAINOctober 14, 2024
- PatriotPP15444Anthurium plant named ‘Patriot’PUBLIC DOMAINFebruary 2, 2024
- Misty RosePP14476Anthurium plant named ‘Misty Rose’PUBLIC DOMAINDecember 6, 2022
- White GiminiPP14199Anthurium plant named ‘White Gimini’PUBLIC DOMAINJune 17, 2022
- Peppermint GeminiPP14200Anthurium plant named ‘Peppermint Gemini’PUBLIC DOMAINJune 17, 2022
- Double TakePP12835Spathiphyllum plant named ‘Double Take’PUBLIC DOMAINApril 6, 2021
- OlympicPP10787Guzmania plant named `Olympic`PUBLIC DOMAINJune 18, 2017
- JungfrauPP10627Spathiphyllum plant named `Jungfrau`PUBLIC DOMAINApril 4, 2017
- Guzmania plant named FireworksPP10059PUBLIC DOMAINMay 22, 2016
- Anthurium plant named KryptonPP10034PUBLIC DOMAINApril 9, 2016
- GeminiPP10043Anthurium plant named GeminiPUBLIC DOMAINApril 9, 2016
- ElectronPP10068Anthurium plant named ElectronPUBLIC DOMAINApril 9, 2016
- SundialPP10133Anthurium plant named SundialPUBLIC DOMAINApril 9, 2016
- NorthstarPP10323Anthurium plant named `Northstar`PUBLIC DOMAINApril 9, 2016
- Scarlet KnightPP9922Guzmania plant named `Scarlet Knight`PUBLIC DOMAINFebruary 5, 2016
- Purple KnightPP9945Guzmania plant named `Purple Knight`PUBLIC DOMAINFebruary 5, 2016
- SaturnPP9840Calathea plant named `Saturn`PUBLIC DOMAINOctober 26, 2015
- 487-1PP9670Guzmania plant named 487-1PUBLIC DOMAINJune 15, 2015
- Werner RauhPP9678Vriesea plant named Werner RauhPUBLIC DOMAINJune 15, 2015
- Calathea plant named EclipsePP9621PUBLIC DOMAINMay 3, 2015
- Tropic BreezePP9782Dieffenbachia plant named `Tropic Breeze`PUBLIC DOMAINApril 17, 2015
- PassionPP9450Anthurium plant named `Passion`PUBLIC DOMAINFebruary 2, 2015
- Tropic ForestPP9425Dieffenbachia plant named Tropic ForestPUBLIC DOMAINJanuary 19, 2015
- Tropic DawnPP9434Dieffenbachia plant named Tropic DawnPUBLIC DOMAINJanuary 19, 2015
- Tropic RainPP9545Dieffenbachia plant named Tropic RainPUBLIC DOMAINJanuary 19, 2015
- Lavender AristocratPP9449Anthurium plant named `Lavender Aristocrat`PUBLIC DOMAINDecember 29, 2014
- ShazzamPP9169Anthurium plant named `Shazzam`PUBLIC DOMAINAugust 8, 2014
- PacoPP9112Dieffenbachia plant named PacoPUBLIC DOMAINApril 5, 2014
- Bubble GumPP9196Anthurium plant named `Bubble Gum`PUBLIC DOMAINApril 5, 2014
- White AristocratPP8821Anthurium plant named White AristocratPUBLIC DOMAINAugust 23, 2013
- RosyPP8836Calathea plant named RosyPUBLIC DOMAINAugust 23, 2013
- Tropic MariannePP8832Dieffenbachia plant named Tropic MariannePUBLIC DOMAINAugust 18, 2013
- TaffyPP8713Anthurium plant named TaffyPUBLIC DOMAINMay 21, 2013
- LollipopPP8612Anthurium plant named LollipopPUBLIC DOMAINMarch 1, 2013
- GuinnPP8715Guzmania plant named GuinnPUBLIC DOMAINFebruary 10, 2013
- PrestigePP8539Spathiphyllum plant named PrestigePUBLIC DOMAINDecember 22, 2012