Spacing30 cm apart
Sowing methodStart under cover, transplant out
Frost hardyNo
Sunpartial-shade
Plant familyAsteraceae

How deep and how far apart should I sow Romaine Lettuce?

For Romaine Lettuce, space plants 30cm apart.

Is Romaine Lettuce frost hardy?

No. Romaine Lettuce is not frost hardy. Do not put it outside until the risk of frost has passed in your area, and be ready to fleece it if a late frost is forecast.

Sowing data cross-checked against RHS growing guides and UK seed-merchant catalogues. Soil temperatures are the minimum for reliable germination, measured at seed depth.