Skip to content
The Patent Garden

Nursery or breeding house

UNIV MICHIGAN STATE

21 US plant patents, granted between 1981 and 2022.

Still under patent — 16 cultivars

Soonest to come off patent first. You may not propagate these for sale until the date shown.

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.