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Lettuce Leaf Basil Seeds

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[Ocimum basilicum] Lettuce Leaf basil seeds, a striking variety with huge, crinkled leaves resembling lettuce, mild-flavoured and highly productive.

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Lettuce Leaf Basil

Lettuce Leaf basil is a striking variety known for its huge, crinkled, bubbled leaves that resemble lettuce leaves. Each leaf can reach considerable size, much larger than classic Genovese basil, making this variety particularly showy both in pots and in open ground, as well as generous in terms of yield.

The Lettuce Leaf Basil Plant

Like all varieties of Ocimum basilicum, it belongs to the Lamiaceae family. The plant is compact but with extremely abundant foliage: the leaves, besides being large, have a very crinkled, slightly concave surface, with a milder aroma than classic Genovese basil, less pungent but still pleasant and typically aromatic.

How to Sow Lettuce Leaf Basil

Sowing takes place from March to April in a protected seedbed, then transplanting seedlings into the field or pots from May, once the risk of late frost has passed and night temperatures stay above 12°C. Seeds should be covered with a thin layer of soil, keeping the substrate consistently moist: germination takes about 7-14 days at 20-25°C.

How to Grow Lettuce Leaf Basil

Given the size of its leaves, this variety needs more spacing between plants than common basil, at least 30-35 cm, to ensure good air circulation and reduce the risk of fungal disease. It prefers rich, well-draining soil and a sunny position, with regular watering but no waterlogging. Regular pinching of flower tips encourages the growth of new large leaves.

Tips for Lettuce Leaf Basil

Because of their crinkled, bubbled surface, this variety's leaves tend to retain more moisture than the smooth leaves of Genovese basil: it is therefore important to water at the base, avoiding wetting the foliage, and to ensure good ventilation between plants. Harvesting the largest leaves can begin as soon as they reach a suitable size, without necessarily waiting for flowering.

Diseases and Pests of Lettuce Leaf Basil

Precisely because of its large, crinkled leaf surface, this variety is more exposed to downy mildew than other basil types, especially in conditions of high humidity and poor ventilation. Common pests include aphids and slugs, which can damage the tender leaves: good airflow around the crop remains the main defence.

Uses and Curiosities of Lettuce Leaf Basil

Thanks to its large leaves, Lettuce Leaf basil is ideal for filling sandwiches and wraps, as well as for a particularly generous pesto yield. Like other basil varieties, it contains essential oils, vitamins A, C and E and antioxidant compounds, and is often also valued for its ornamental appeal in the garden or on the balcony.