Nursery or breeding house
UNIV NEBRASKA
10 US plant patents, granted between 1993 and 2021.
Still under patent — 4 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Prairie TwilightPP19893Penstemon plant named ‘Prairie Twilight’UNDER PATENTDecember 21, 2027
- Sweet JoannePP20610Penstemon plant named ‘Sweet Joanne’UNDER PATENTJanuary 3, 2028
- Heart's DesirePP20323Dianthus plant named ‘Heart's Desire’UNDER PATENTJuly 14, 2028
- OSU 541.147PP33561Corylus plant named ‘OSU 541.147’UNDER PATENTAugust 28, 2040
Already in the public domain — 6 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.
- PixiePP13578Dianthus plant named ‘Pixie’PUBLIC DOMAINDecember 7, 2021
- NE86-120PP11191Buffalograss plant named `NE86-120`PUBLIC DOMAINOctober 22, 2017
- NE86-61PP11194Buffalograss plant named `NE86-61`PUBLIC DOMAINOctober 22, 2017
- NE91-118PP11373Buffalograss plant named `NE91-118`PUBLIC DOMAINOctober 22, 2017
- 315 BuffalograssPP9847PUBLIC DOMAINMay 17, 2015
- TAES 1321PP8475609 BuffalograssPUBLIC DOMAINSeptember 6, 2011