Phonetic: KWER-kus ROO-brah
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1 Gallon Pot-2.5-3'
Northern red oak, is a large, fast-growing deciduous tree native to eastern and central North America. It thrives in full sun and prefers deep, well-drained, slightly acidic soils with moderate moisture, though it can tolerate a range of soil types—including sandy or rocky soil. . It is highly adaptable to different environments, making it one of the most widespread and ecologically important oak species across its range.
Northern red oak blooms in mid- to late spring, typically from April to June. It is monoecious, producing separate male and female flowers on the same plant. The male flowers appear as long, drooping catkins, while the female flowers are small and form near the tips of new twigs. Pollination occurs by wind rather than insects. After fertilization, the female flowers develop into acorns, which mature in the second growing season. The acorns ripen in early autumn of their second year, usually in September or October, and serve as a vital food source for many forest animals.
Northern red oak is a cornerstone species in North American forests. The leaves and twigs host hundreds of caterpillar species, including the Imperial moth, Banded Hairstreak and Gray hairstreak. Its acorns provide high-energy food for birds, deer, squirrels, chipmunks, bears, and many other mammals, supporting wildlife populations throughout the fall and winter.
- Hardiness Zone: 4-8
- Native Region: BONAP Map
- BONAP Map Key Color Guide: Map Color Key
- Sun Exposure: Full Sun, Part Sun, Part Shade
- Flower Color: Yellow, Green
- Bloom Time: May, June
- Soil Type: Moist, Medium
- Mature Plant Size: 50-70'H, 50-75'W
- Plant Spacing: 30-40'
- Host Plant: Imperial Moth, Banded Hairstreak, Gray Hairstreak
- Attracts: Bees, Birds, Butterflies
- Advantages: Poor Soil Tolerant, Salt Tolerant
- Landscape Uses: Sun Garden, Borders
- Companion Plants: Serviceberry, Common Wood Sedge,
