Key Characteristics & Varieties
- Eureka: The most common commercial variety, known for year-round production, high acidity, and few seeds.
- Lisbon: A hardy, vigorous tree that produces heavy crops of smooth-skinned, tart fruit, often with more seeds than Eureka.
- Meyer: A hybrid (likely citron \(\times \) mandarin/pomelo) popular for home growing, featuring a rounder shape, deep yellow-orange skin, and a sweeter, less acidic flavor.
- Growth: Trees generally grow 10–20 feet tall but can be pruned or kept as smaller, 4–6 foot specimens in containers.
Growing Requirements
- Climate: Hardy in USDA zones 9–11, thriving in warm, sunny locations.
- Soil: Prefers well-drained, slightly acidic soil (pH 6–6.5).
- Watering: Requires consistent, regular watering, especially during dry periods.
- Maintenance: Generally pruned in early spring to remove dead wood and encourage growth.
Culinary and Nutritional Uses
- Uses: Lemon juice, zest, and rind are used in drinks (lemonade), culinary dishes, marinades, and baking.
- Nutrition: A rich source of vitamin C and fiber.
- Health Benefits: Contains plant compounds like citric acid, which may help reduce the risk of kidney stones and heart disease.