Lettuce Romaine
Lactuca sativa 'Parris Island Cos'
Planting + spacing
- Days to harvest
- —
- Harvest window
- —
- Spacing in row
- 10"
- Row spacing
- 10"
Sun + water
- Sun hours
- 4 hrs – 6 hrs
- Water per week
- 0.75"
- Container friendly
- Yes
Companions
Plant with
onion, radish, marigold
Avoid
broccoli, cauliflower
Next steps
Add lettuce romaine to one of your gardens to generate spacing-aware layouts and watering reminders based on your zone.
Post-harvest storage tip
Store unwashed leaves in a breathable bag in the refrigerator crisper. Use within 3–5 days.
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