Nursery or breeding house
De Groot en Slot BV
2 US plant patents, granted between 2023 and 2024.
On the name: these patents were filed under 2 spellings, counted together here — De Groot en Slot BV (2), DE GROOT EN SLOT B V (1).
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.