Key Lime Tree - Citrus aurantifolia

Key Lime Tree (Citrus aurantifolia)

The Key Lime Tree, botanically known as Citrus aurantifolia, is a popular citrus tree prized for its small, aromatic limes and glossy evergreen foliage. Known for producing intensely flavored fruit used in cooking, drinks, and desserts, this tree is a favorite among home gardeners. Many people buy Key Lime trees online to enjoy fresh citrus at home while also adding a beautiful ornamental tree to their garden, patio, or indoor growing space.

Landscaping Uses

The Key Lime tree is a versatile citrus tree that can be planted in warm outdoor climates or grown in containers in cooler regions. It works well in backyard orchards, edible gardens, patios, and sunny balconies where homeowners want both fresh fruit and decorative greenery. Because of its compact size, the Key Lime tree is also ideal for container gardening, allowing gardeners to move the tree indoors during colder months while still enjoying productive harvests.

Specifications

Height: Up to 8 ft
Width: 6–8 ft
Growth Rate: Moderate
Sun: Full Sun
Water: Moderate; allow soil to dry slightly between watering
Soil: Well-drained, slightly acidic soil preferred
USDA Zones: 9–11 outdoors, 3–11 in containers with winter protection

Why Homeowners Love It

• Produces flavorful limes perfect for cooking, drinks, and desserts
• Compact citrus tree ideal for patios, containers, and small gardens
• Evergreen foliage provides year-round ornamental appeal
• Self-pollinating tree that can produce fruit with just one plant

Planting & Care

Key Lime trees grow best in a sunny location with at least six hours of direct sunlight each day. Plant in well-drained soil or use a high-quality citrus potting mix when growing in containers. Water deeply and allow the top layer of soil to dry slightly before watering again. During the growing season, regular feeding with a citrus fertilizer encourages healthy growth and fruit production. With proper care, this productive citrus tree can provide years of fresh limes for home gardens across many U.S. climates.