Lactuca Sativa (Cos Lettuce)
Lactuca Sativa (Cos Lettuce)
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Lactuca Sativa (Cos Lettuce) is a crisp, upright-growing leafy vegetable known for its elongated heads, firm ribs, and fresh green leaves with a naturally sweet, slightly nutty flavour. A classic salad staple, this cool-season crop is highly productive and well-suited to home vegetable gardens, raised beds, and container planting. Its tidy vertical growth habit makes it ideal for small spaces while still delivering generous harvests of fresh, high-quality leaves.
Valued for its crunchy texture and versatility, Cos Lettuce is perfect for fresh salads, wraps, and garnishes. It performs best in cooler conditions and thrives in fertile, well-drained soil with consistent moisture. Fast-growing and easy to maintain, this reliable vegetable is an excellent choice for beginner and experienced gardeners alike, offering continuous picking potential and exceptional freshness straight from the garden.
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Mature height
20–40cm
Mature width
20–30cm
Spacing
20–25cm apart
Evergreen/Deciduous
Annual Vegetable
Foliage
Upright rosette of elongated, crisp green leaves forming a loose cylindrical head with a crunchy central rib
Flowering Period & Fruit Development/Harvest
Fruit Development/Harvest: Harvest typically 45–70 days from planting; can be picked as whole heads or as loose leaves. If left unharvested, plants bolt and produce yellow flowers followed by seed formation
Sun tolerance
Full sun to part shade
Maintenance
Low maintenance; prefers fertile, well-drained soil, regular watering, and cool growing conditions to prevent bolting and ensure tender leaves
Root System
Shallow fibrous root system ideal for garden beds, raised beds, and container growing