PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in bright, direct Mediterranean sunlight
Watering
Drought-tolerant once established; water sparingly only during prolonged dry spells
Temperature
Hardy to -10°C; tolerates high summer temperatures up to 35°C; avoid prolonged heavy frost
Characteristics
- Leaf: Small, leathery, oblong leaves with spiny margins; dark green upper surface, pale gray underside
- Flower: Inconspicuous yellow-green catkins; male catkins pendulous, female catkins small and upright
- Fruit: Small acorns, 1–2 cm long, enclosed in a scaly, cup-shaped cap
Care Guide
Watering
Water occasionally during extreme dry periods; avoid overwatering
Fertilization
Optional light feed with compost. Avoid high-nitrogen fertilizers which can disrupt natural drought-tolerant growth
Composted eggshell powder：Sprinkle a thin layer around the base in early spring; avoid direct contact with foliage to prevent leaf burnPruning
- Prune lightly in late spring to maintain compact, rounded shape
- Remove dead or damaged branches to improve airflow and reduce disease risk
- Thin overcrowded growth to encourage light penetration to inner foliage
- Avoid heavy pruning as it can reduce annual acorn production
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Tannins may cause vomiting, diarrhea, and abdominal pain if ingested
Humans: Contains tannins; ingestion of large quantities of leaves or acorns may cause mild gastrointestinal upset
Garden Uses & Culture
Culture: Associated with Mediterranean coastal ecosystems; historically valued for kermes dye production
Usage: Xeriscaping, hedge planting, wildlife habitat for pollinators and seed-eating birds
