Burr Oak, Mossycup Oak, Mossy Overcup Oak, Prairie Oak
Fagaceae (white oak group)
This native giant is considered the longest lived of the oaks. A stately tree, it can grow 150 feet tall and spread nearly as wide.
Large, deciduous shade tree
Locate carefully; provide ample space away from structures and utilities. Plant on southern and western exposures of structures to provide shade. As canopy matures, understory light conditions may change from sun to full shade. Provides food and shelter to a variety of beneficial insects and wildlife.
Average mature size
60’ tall x 60’ wide
Any well-drained soil, including alkaline soils
Low to medium. Tolerates drought once established
High; tolerates urban conditions
Deciduous, Deep green leaves
Catkins, 4”-6” long, white
Acorns with fringed cup, can grow to golf ball size. Acorns are a food source to a diverse variety of wildlife.
Rough corky bark provides winter interest
Pests and disease
None serious; resistant to oak wilt
Can develop a deep tap root system. Straight trunk and large branches (common to white oaks) are ideal hardwood lumber for furniture building
“An outstanding tree, it should be more widely planted.” – Neil Sperry, Neil Sperry’s Complete Guide to Texas Gardening.