PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in intense sunlight in coastal regions and tolerates light shade in hot climates
Watering
Drought-tolerant once established; water deeply during extended dry spells, avoid overwatering to prevent root rot
Temperature
Hardy to USDA zones 7–9; tolerates cold winters and hot, humid summers
Characteristics
- Leaf: Deeply lobed, 7–15 cm long, glossy green turning bronze-red in fall
- Flower: Male catkins are yellow-green, pendulous; female flowers are small, reddish, axillary
- Fruit: Acorns with shallow scaly cups, maturing over 2 years
Care Guide
Watering
Water deeply every 7–10 days during prolonged dry periods
Fertilization
Apply slow-release granular fertilizer once in early spring. Use a balanced fertilizer to support healthy foliage and acorn production
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the base of the tree; water thoroughly to incorporate into soil and avoid runoffPruning
- Remove dead, damaged, or diseased branches in late winter to maintain tree structure and reduce disease risk
- Thin crowded inner branches to improve airflow and light penetration through the crown
- Avoid heavy pruning, as oak trees heal slowly; limit cuts to necessary maintenance only
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; tannins may cause vomiting, diarrhea, abdominal pain, and potential kidney damage with prolonged exposure
Humans: Acorns and leaves contain tannins; ingestion of large amounts may cause mild gastrointestinal upset
Garden Uses & Culture
Culture: Symbolizes strength and longevity in southeastern American forest ecosystems
Usage: Ornamental tree for large landscapes; acorns provide critical food for deer, squirrels, and other wildlife
