Quercus heterophylla (Variegated Oak, Bartram’s Oak)
Quercus heterophylla (Variegated Oak, Bartram’s Oak) is originally from the USA (eastern range). It is a hybrid of Quercus robur and Quercus phellos. In the Netherlands, one tree of this species is known, which has a trunk circumference of 4 meters. Maximum heights of this tree are 26 meters.
See: https://www.monumentaltrees.com/de/baeume/quercusxheterophylla/rekorde/.
Leaves are oval, elliptic, oblong to lanceolate, smooth-edged to coarsely toothed, glossy green, 8-18 cm long. In autumn, these turn red. The upper side is shiny green and bare. The underside is lighter and hairy only in the vein axils. Quercus heterophylla is very frost hardy (to -23 degrees) and tolerates road salt. That is why this tree is found sporadically in Europe as an avenue tree. This species also tolerates wet and poor soils, provided that they are not too calcareous. Tend to the soil should be rich in nutrients and slightly acidic. Overall, this tree species is tolerant of different soil types: Loess, clay, peaty soil, light clover soil, sandy soil, loamy
Soil.
The tree sheds only a few acorns, these have a similar appearance to Quercus rubra.
