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Citrus × aurantiifolia 'West Indian Key' | Small, intensely aromatic limes with rich, tart flavour
The West Indian 'Key' Lime is a classic citrus prized for masses of small, round fruit with thin green skin that turns yellow-green when fully mature. The juice is highly aromatic, sharply acidic, and perfect for cooking, baking, cocktails and fresh use. Dense, glossy foliage and naturally thorny branches make it both decorative and productive.
Sun: Full sun — essential for abundant flowers and fruit
Soil: Moist, fertile, well-drained; enrich free-draining soils with compost or well-rotted manure
Water: Moderate — keep evenly moist, especially during flowering and fruit set
Fertilizer: Balanced citrus feed in early spring and again midsummer
Pruning: Lightly after harvest to shape, open canopy and remove crossing or dead wood
Top tip: Mulch the root zone to conserve moisture and regulate soil temperature; protect from frost where necessary
Botanical name: Citrus × aurantiifolia 'West Indian Key'
Common name: West Indian Key Lime
Growth habit: Upright to slightly spreading, dense canopy
Size: ±2—3 m H × ±1.5—2 m W (can be maintained smaller in large containers)
Fruit: Small to medium round limes; thin green skin, ripening yellow-green
Flesh/juice: Very juicy, highly aromatic, brightly acidic; typically contains seeds
Harvest: Late summer into winter; may bear in multiple flushes in warm conditions
Uses: Culinary zest and juice, desserts (e.g., key-lime style bakes), cocktails, fresh garnish; suitable for gardens and containers
• Classic, intensely aromatic key lime flavour
• Prolific crops of small, thin-skinned fruit
• Excellent for containers or in-ground planting in full sun
