Romaine Lettuce Seeds - Vegetable Plant

Romaine Lettuce seeds produce upright plants with elongated, crisp leaves forming compact to loose heads. This cool-season leafy plant is well-suited to temperate climates and performs reliably in garden beds, containers, and raised planters with fertile, well-drained soil. It prefers full sun to partial shade and consistent moisture for even growth. The plants develop over a moderate growing period and are commonly cultivated in home gardens for seasonal planting cycles.

Features

• Upright growth with elongated leaf formation
• Suitable for containers, raised beds, and open garden spaces
• Adapted to cool-season growing conditions
• Forms compact to loose heads with crisp leaves
• Suitable for home gardening and small-space planting

Specifications

• Scientific Name: Lactuca sativa var. longifolia
• Common Name (US): Romaine Lettuce
• Seed Type / Variety: Standard Variety
• Growth Habit: Upright, leafy plant
• USDA Zones: 4 to 9
• Planting Season: Spring, Fall
• Growing Season: Cool season (Spring to early Summer, Fall)
• Sowing Season: February to April, September to October
• Germination Time and Conditions: 5 to 10 days at 10 to 20°C with consistent moisture
• Sunlight Requirements: Full sun to partial shade
• Soil Requirements: Fertile, well-drained soil rich in organic matter
• Watering Needs: Moderate, consistent moisture without waterlogging
• Mature Plant Size: 20 to 30 cm height, 20 to 25 cm spread
• Plant Spacing: 20 to 30 cm apart