Romaine lettuce
Romaine lettuce
Lactuca sativa var. longifolia
vegetable☀️ full-sun🪴 loam📏 small🌡️ RHS H3
📋Quick Facts
Height
0.3-0.4m
Spread
0.1-0.3m
Water
💧 Minimal
Hardiness
Zone 8
About
Upright crisp hearts; can bolt in hot dry weather.
Top tip
Give plenty of light and moisture; thin well and harvest firm hearts before they bolt.
Also known as: Romaine lettuce, Lattuga romana, Romeinse sla, Sałata rzymska, Alface-romana, Römersalat, Laitue romaine, Lactuca sativa var. longifolia
Pest Resilience
3/5 — Average
More slug-resistant than soft lettuces; aphids and downy mildew still possible.
Companion Planting
Visual Characteristics
Fruits
Yes
Harvest: Spring to autumn / fall
🍳
Culinary
Culinary Use
Caesar salad, grilled, wraps, sandwiches, burgers, braised
The romaine lettuce year in your garden
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What to do now
How to Propagate
🌰Seed
EasyThis plant produces viable seeds for propagation
Hardiness Zones
H1a (tender)H7 (very hardy)
RHS H3
USDA 8–9 equivalent