Nursery or breeding house
UNIV MASSACHUSETTS
7 US plant patents, granted between 2000 and 2025.
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Gail GlazierPP22085Cactaceae plant named ‘Gail Glazier’UNDER PATENTNovember 3, 2029
- AgerboyumaPP36798Ageratum plant named ‘Agerboyuma’UNDER PATENTOctober 16, 2044
Already in the public domain — 5 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.
- HarmonyPP18177Cactaceae plant named ‘Harmony’PUBLIC DOMAINAugust 4, 2025
- ElsiePP18221Cactaceae plant named ‘Elsie’PUBLIC DOMAINJuly 29, 2025
- MasbolimketPP16678Boltonia plant named ‘Masbolimket’PUBLIC DOMAINMarch 24, 2025
- RioPP15378Cactaceae plant named ‘Rio’PUBLIC DOMAINDecember 31, 2022
- AvalonPP11327Cactaceae plant named `Avalon`PUBLIC DOMAINApril 20, 2018