Quercus rubra

Scientific Name: Quercus rubra

Common Name: red oak

Native Range: Eastern North America

Zone: 4 to 8

Plant type & Form: Deciduous tree with round form

Height: 50.00 to 75.00 feet

Spread: 50.00 to 75.00 feet

Bloom Time: May

Bloom Description: Yellow-green

Flower: Green catkin made up of tiny flowers (1-4″ long)

Fruit: Green to brown, barrel shaped acorns (.5-1″) with caps that cover the upper quarter

Leaf: Alternate, yellow-green leaves with 7-10 pointed lobes (4-9″ long), good fall color with orange and red leaves

Sun: Full sun

Water: Dry to medium

Soil type & pH: Acidic, loamy, moist, well-drained and clay soils

Maintenance: Low, drops leaves and acorns

Suggested Use: Shade tree, street tree

Tolerates: Drought, dry soil, Black Walnut, air pollution

Notes: The red oak is the most showy oak variety in autumn

Identification notes: Look for the pointed, lobed leaf and the barrel-shaped acorns with caps. Mature bark is gray and is deeply furrowed with flat narrow ridges.