Romaine Lettuce - Lactuca sativa var. longifolia

When to plant iSowing / transplanting
When to harvest iHarvest period
Height iAverage height
18 inches (46 cm)
Planting distance iPlanting distance
8 inches (20 cm)
Sowing depth iSowing depth
0.5 inches (1.3 cm)
How to grow Romaine lettuce
Relative growing difficulty iRelative growing difficulty
Soil & fertilization iSoil & fertilization difficulty
Care & maintenance iCare & maintenance difficulty
Pest & diseases iPests & diseases difficulty
Sun / Shade iSun / shade tolerance
Ideal soil type iIdeal soil types
Soil PH iSoil PH
Moisture / drainage iSoil drainage
USDA growing zone rangeiUSDA hardiness growing zones
-
RHS hardiness iRHS hardiness rating

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