Geheimrat Dr. Oldenburg
'Geheimrat Dr. Oldenburg' is a German apple cultivar. It was created in 1897 at the Höheren Lehranstalt für Obstbau of Geisenheim in the Rheingau by hybridisation of and. It may also be known as 'Geheimrat Doktor Oldenburg', 'Geheimrat Oldenburg', or simply 'Oldenburg'. It is a quite different apple from the older Russian cultivar 'Duchess of Oldenburg', also sometimes known simply as 'Oldenburg'.
Hybrids
Cultivars that descend from Geheimrat Dr. Oldenburg include: Alkmene ; Apollo ; Clivia ;; Elektra ; Roba ; and possibly Dukat.
