Quercus macrocarpa

Name: Quercus macrocarpa

Common Name: Bur or mossycup oak

Description: Bur oak is a large, deciduous tree with a wide, open crown. Usually wider than tall, the tree can exceed 100 feet in height and width. The massive trunk supports heavy, horizontal limbs and rough, deep-ridged bark. Leaves are up to 9 inches long. The acorns of this species, distinguished by deep fringed cups, are the largest of all native oaks growing to 2 inches long and wide.

Culture: It grows in sun or shade, and in dry or moist soils. It has a large taproot, which makes it hard to transplant.

Hardiness: Zones 2-8.

Propagation: By seed. Treat seeds for 30-60 days at 41°.

Attributes: Fast growing and long- living. A good urban tree because of its resistance to air pollution and car exhaust. It tolerates limey soils better than other oaks. It’s also resistant to oak wilt.

Source: Ladybird Johnson Wildflower Center