Willow Oak


Willow Oak (Quercus phellos) is named for its willow-like leaves, offering a unique twist to the classic oak silhouette. This fast-growing tree is a favorite among landscapers, offering shade and beauty. Its acorns are a source of nourishment for various birds and mammals, making it a vital addition to any ecosystem.

1-2′ Bareroot Seedling

Out of stock

Environmental Requirements

Cold Tolerance: USDA Zone 5-9
Soil pH: 5.0-7.0
Soil Type: Well-drained, acidic to neutral
Water Requirements: Moderate, consistent moisture
Sunlight Requirements: Full sun
Drought Tolerance: Moderate
Heat Tolerance: Moderate
Chilling Hours: None

Size and Spacing

Plant Size: 40-60′ tall, 30-40′ wide
Plant Spacing: 30-40′ apart
Growth Habit: Upright, rounded
Rootstock: From Seed

Pollination and Flowering

Pollination Requirements: Monoecious, requires cross-pollination
Pollination Mechanisms: Wind
Bloom Time: April-May
Flower Color: Yellow-green

Fruit Characteristics

Nut Size: 0.25-0.5″
Nut Flavor: Sweet
Nut/Husk Color and Appearance Brown, thin shell
Harvest Time: September-October
Yield & Storage: Moderate, store in a cool, dry place
Years to Bear: 20-25

Disease and Pest Susceptibility

Oak Wilt (Bretziella fagacearum): Moderately Susceptible
Anthracnose (Apiognomonia quercina): Moderately Susceptible
Armillaria Root Rot (Armillaria mellea): Moderately Resistant
Powdery Mildew (Erysiphe alphitoides): Moderately Resistant
Gypsy Moth (Lymantria dispar): Moderately Susceptible
Oak Leafroller (Archips semiferanus): Moderately Susceptible

Additional Plant Characteristics

Growth Habit: Upright, rounded
Foliage Color: Dark green
Fall Color: Yellow-brown
Lifespan: 100-150 years

Additional Information

Toxicity: Non-toxic
Invasive Potential: Low
Native Range: Eastern United States
Nitrogen Fixing: No