PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates coastal sun exposure and mild drought stress
Watering
Drought-tolerant once established; water deeply during prolonged dry spells to support root health
Temperature
Hardy to USDA zones 7–9; tolerates mild frost and summer heat without significant damage
Characteristics
- Leaf: Glossy elliptical to oblong leaves with smooth margins; dark green upper surface, pale green underside
- Flower: Inconspicuous male catkins and small female spikes; wind-pollinated
- Bark: Light gray, furrowed with age; scaly texture on mature trunks
Care Guide
Watering
Water deeply every 7–10 days during dry periods
Fertilization
Apply slow-release balanced fertilizer once. Do not over-fertilize; high-nitrogen feeds may disrupt natural growth patterns
Composted oak leaf mulch：Apply a 5–7 cm layer around the base in spring; avoid direct contact with the trunk to prevent fungal rotPruning
- Remove dead or damaged branches in late winter to reduce disease risk
- Thin crowded inner branches to improve airflow and light penetration
- Avoid heavy pruning; maintain the tree's natural rounded canopy shape
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; tannin content causes gastrointestinal upset and potential kidney damage in severe cases
Humans: Ingestion of large quantities of acorns or leaves may cause gastrointestinal irritation
Garden Uses & Culture
Culture: Symbolizes strength and longevity in southeastern American forest ecosystems
Usage: Ornamental shade tree; acorns provide food for local wildlife including deer and birds
