Lettuce
45-55days to harvest
7-10days to germinate
Z2–11USDA zones
Easydifficulty
Container friendly

Sowing

Direct sow seeds 1/4 inch deep. Start 2-4 weeks before last frost. Succession plant every 2-3 weeks.

Cultivation

Sun
Full sun to partial shade (4-6+ hours)
Water
1 inch per week, consistent moisture
Soil
Well-drained, fertile soil rich in organic matter
Soil pH
6.0-7.0
Spacing
6-8 inches
Height
6-12 inches
Season
Cool season

Appearance & flavour

Colour
Bright green
Size
6-8 inches across
Shape
Loose rosette with ruffled, oak-like leaves
Flavour
Mild, sweet, and tender with no bitterness

In the kitchen

Fresh salads, sandwiches, wraps, garnishes, smoothies

Pests, disease & resistance

Pests
Aphids, flea beetles, slugs, cutworms
Diseases
Downy mildew, lettuce drop, bottom rot
Resistance
Good resistance to tipburn and bolting in moderate heat

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1——June – JulyJuly – September
2——May – JulyJuly – September
3——May – JuneJune – October
4——April – JuneJune – October
5——April – MayJune – November
6——April – MayMay – November
7——March – MayMay – November
8——March – AprilApril – December
9——February – MarchMarch – December
10——January – MarchMarch – December
11——January – FebruaryFebruary – December
12——January – FebruaryFebruary – December
13——January – FebruaryFebruary – December

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

ChivesRepels aphids and other pests while improving lettuce flavor
CarrotsDifferent root depths allow efficient space use without competition
RadishesBreak up soil for lettuce roots and deter flea beetles
MarigoldsRepel aphids, whiteflies, and nematodes that damage lettuce
GarlicDeters aphids, slugs, and rabbits that commonly eat lettuce
NasturtiumsAct as trap crop for aphids and cucumber beetles
SpinachSimilar growing conditions and can provide mutual shade
DillAttracts beneficial insects that control lettuce pests

Avoid

SunflowersCreate too much shade and compete heavily for nutrients
BroccoliBoth are heavy nitrogen feeders causing nutrient competition
FennelReleases allelopathic compounds that inhibit lettuce growth

Nutrition (per 100 g)

Protein (g)
0.742
Fat (g)
0.0738
Carbohydrate (g)
3.37
Vitamin K (µg)
20.5
Vitamin B6 (mg)
0.0401
Calcium (mg)
14.2
Iron (mg)
0.0332
Magnesium (mg)
6.31
Phosphorus (mg)
19.2
Potassium (mg)
139
Zinc (mg)
0.173

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the lettuce growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Green Leaf?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other lettuce with a comparable time to harvest, so a season that suits Green Leaf suits these too.

Browse all 110 lettuce