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
Explore the January 2013 Issue
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