Paris White Cos Lettuce Seeds - Vegetable Plant For Home Gardens

Paris White Cos Lettuce, commonly known as Romaine Lettuce, is a cool-season leafy vegetable valued for its upright growth and elongated, crisp leaves. The plant forms tall, compact heads with firm leaf ribs and smooth green foliage. It grows best in cooler temperatures with fertile, well-drained soil and consistent moisture. Paris White Cos lettuce is commonly cultivated in vegetable gardens, raised beds, and containers where steady growing conditions support uniform head formation during the cool growing season.

Features

• Cool-season leafy vegetable forming upright compact heads

• Produces elongated crisp leaves with firm central ribs

• Suitable for vegetable gardens, raised beds, and container planting

• Adapted to cooler growing temperatures

• Forms tall, structured heads during the growing season

Specifications

• Scientific Name: Lactuca sativa var. longifolia

• Common Name (US): Romaine Lettuce

• Seed Type / Variety: Vegetable seeds - Paris White Cos

• Growth Habit: Upright leafy annual plant

• USDA Zones: 2 to 11

• Planting Season: Early spring or late summer

• Growing Season: Spring and autumn

• Sowing Season:

  • Zones 2 to 6: April to June or August to September

  • Zones 7 to 11: March to May or September to November

• Germination Time and Conditions: 5 to 10 days at 15 to 20 C in moist, well-drained soil

• Sunlight Requirements: Full sun to partial sun

• Soil Requirements: Fertile, well-drained loamy soil

• Watering Needs: Moderate watering to keep soil evenly moist

• Mature Plant Size: 10 to 16 inches height; 8 to 12 inches spread

• Plant Spacing: 8 to 12 inches between plants