Nursery or breeding house
AMERICAN GARDEN COLE INC
2 US plant patents, granted between 1981 and 1981.
Already in the public domain — 2 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.
- Flowering crabapple treePP4758PUBLIC DOMAINMay 5, 2000
- White ashPP4756PUBLIC DOMAINApril 14, 2000