Quercus laceyi (Lacey oak)
Quercus laceyi (Lacey oak) is a special type of oak from the north of Mexico and the south of the USA. It only grows to a height of around 11 meters. The leaves are blue-green! This species likes calcareous soils.
In the store here: https://quercus.guru/produkt/quercus-laceyi/