‘Sweet Valentine’ romaine lettuce, ecologically grown seeds
Lactuca sativa
Product code : GAIAS-0273
‘Sweet Valentine’ romaine lettuce, ecologically grown seeds (Lactuca sativa) This open-pollinated heirloom forms upright heads of crisp tender leaves with sweet flavour. Gaia highlights its good heat tolerance, which is useful when summer temperatures challenge many lettuces. Its vertical habit simplifies care, improves access to leaves, and suits garden beds, raised plots, and large containers. Leaves are well suited to salads, sandwiches, wraps, and fresh garnishes. The packet contains 100 ecologically grown seeds; Gaia does not identify this product as certified organic. Sweet Valentine combines romaine texture with greater reliability during warmer periods.
Direct sow as soon as soil can be worked, 1/4 to 1/2 inch deep, or start seed indoors three to four weeks before planting out. Maintain the medium at 12 to 21°C, optimally 16 to 18°C; germination generally takes 7 to 10 days. Although Sweet Valentine tolerates heat better during growth, most lettuces germinate poorly above 25°C. Space plants approximately 6 inches apart and rows 12 to 18 inches apart, or up to 24 inches where a wider irrigation or harvest aisle is needed. Thin carefully so upright heads have light and airflow.
Grow Sweet Valentine in sun or light partial shade and fertile, cool, well-drained soil. Maintain even moisture to keep leaves tender and limit bitterness. Maturity occurs in 60 to 75 days. Upright heads reach approximately 8 to 12 inches in both height and width and tolerate temperatures near −7°C. Harvest outer leaves as needed or cut the entire romaine head. Gaia indicates that flavour is especially pleasant after a few cold nights. Keep clean dry leaves refrigerated and use them promptly for crisp texture. Succession sowings can extend harvests from spring into early autumn.
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