Overcup Oak

Description

Requirements and Tolerances

Cold Tolerance: USDA Zone 5-9
Sunlight Requirements: Full sun
Water Requirements: Moderate, consistent moisture
Soil Type: Well-drained
Soil pH: 6.0-7.0
Plant Spacing: 40-60′ apart
Drought Tolerance: Moderate
Chilling Hours: None
Heat Tolerance: Moderate

Physical Characteristics

Rootstock: From Seed
Plant Size: 40-60′ tall, 40-60′ wide
Growth Habit: Upright, spreading
Foliage Color: Dark green
Bloom Time: April-May
Flower Color: Yellow-green
Fall Color: Reddish-brown
Nut Size: 1-1.5″
Nut Flavor: Mild, sweet
Nut/Husk Color and Appearance Light brown, smooth

Growth and Reproduction

Growth Rate: Moderate
Years to Bear: 20-30
Lifespan: 100-200 years
Pollination Requirements: Monoecious, requires cross-pollination
Pollination Mechanisms: Wind
Harvest Time: October-November
Yield & Storage: Moderate, store in a cool, dry place

Disease Resistance

Toxicity: Non-toxic
Invasive Potential: Low
Native Range: Southeastern United States
Nitrogen Fixing: No
Oak Wilt (Bretziella fagacearum): Moderately Susceptible
Anthracnose (Apiognomonia quercina): Moderately Resistant
Armillaria Root Rot (Armillaria mellea): Moderately Resistant
Powdery Mildew (Erysiphe alphitoides): Moderately Resistant
Gypsy Moth (Lymantria dispar): Moderately Resistant
Oak Leafroller (Archips semiferanus): Moderately Resistant