Q.Differences between Northern and Southern Red Oaks.
How do these 2 types of oaks differ? Are they both suitable for Zone 7a?
Certified GKH Gardening Expert
Northern red oaks (Quercus rubra) are native to Eastern U.S., have good fall color, and are at home in a variety of habitats. Hardy in zones 5-9. Southern red oaks (Quercus falcata) are native to eastern and central U.S. and are usually found on dry slopes and ridges. Hardy in zones 6-9.
This article will give you a general idea of the care requirements for Red Oaks (common name Northern Red Oak): https://www.gardeningknowhow.com/ornamental/trees/oak/red-oak-tree-information.htm