Photos are representative and may not match your specific variety.
Paris Island Cos
Lettuce
LettuceLactuca sativa 'Paris Island Cos'
- Partial sun
- Zones 2–11
- 66 days to maturity
- Vegetables
- 8" spacing
- High water
- pH 6–7
Overview
The gold standard for romaine lettuce, this heat-tolerant variety produces tall, upright heads with crisp, dark green outer leaves and sweet, crunchy hearts. Developed for reliability in challenging conditions, Paris Island Cos consistently delivers the classic romaine experience that Caesar salad lovers crave. Its exceptional bolt resistance makes it perfect for extending the growing season into warmer months.
Planting
Direct sow in early spring and late summer. Start indoors 4-6 weeks before transplanting.
Growing
Sun: partial. Water: high. Soil pH: 6–7. Space plants 8" apart. Germination: 7-10.
Pests & diseases
Common pests: Aphids, cabbage worms, slugs, thrips. Common diseases: Tipburn, downy mildew, lettuce drop, bottom rot.