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BUR OAK
Quercus macrocarpa
(KWER-kus ma-kro-KAR-pa)
Burr Oak, Mossycup Oak, Mossy Overcup Oak, Prairie Oak
| Family |
Fagaceae (white oak group) |
| Description |
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. |
| Plant habit |
Large, deciduous shade tree |
| Landscape use |
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 |
| Growth rate |
Moderate |
| Sun exposure |
Sun |
| Soil requirements |
Any well-drained soil, including alkaline soils |
| Water requirements |
Low to medium
Tolerates drought once established |
| Heat tolerance |
High; tolerates urban conditions |
| Foliage |
Deciduous
Deep green leaves |
| Flowers |
Catkins, 4”-6” long, white |
| Blooming period |
Spring |
| Fruit characteristics |
Acorns with fringed cup, can grow to golf ball size
Acorns are a food source to a diverse variety of wildlife |
| Bark |
Rough corky bark provides winter interest |
| Pests and disease |
None serious; resistant to oak wilt |
| Other |
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.
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