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Oak Leaf — Lettuce | DarkGrow Seed Bank

Name: Oak Leaf
Brand: DarkGrow Seed Bank

45-50days to harvest

7-10days to germinate

Z2–11USDA zones

Easydifficulty

HeirloomContainer friendly

Sowing

Direct sow every 2-3 weeks for continuous harvest. Can be grown spring through fall in most climates.

Cultivation

Sun: Full sun to partial shade (4-6+ hours)
Water: 1 inch per week, consistent moisture
Soil: Well-drained, fertile soil with good organic matter
Soil pH: 6.0-7.0
Spacing: 8-10 inches
Height: 6-12 inches
Season: Cool season

Appearance & flavour

Colour: Medium to dark green, some varieties have red-tinged edges
Size: Individual leaves 4-6 inches long, plants 8-10 inches across
Shape: Deeply lobed, oak leaf-shaped leaves in loose rosette
Flavour: Mild, buttery, and sweet with no bitterness even in heat

In the kitchen

Gourmet salads, garnish, sandwiches. Excellent for mesclun mixes.

Pests, disease & resistance

Pests: Aphids, slugs, snails, leaf miners
Diseases: Downy mildew, lettuce drop, white rust
Resistance: Good heat tolerance, resistant to bolting, moderate disease resistance

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
1	—	—	June – July	July – September
2	—	—	May – July	July – September
3	—	—	May – June	June – October
4	—	—	April – June	June – October
5	—	—	April – May	June – November
6	—	—	April – May	May – November
7	—	—	March – May	May – November
8	—	—	March – April	April – December
9	—	—	February – March	March – December
10	—	—	January – March	March – December
11	—	—	January – February	February – December
12	—	—	January – February	February – December
13	—	—	January – February	February – December

Companion planting

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

ChivesRepels aphids and other soft-bodied insects that commonly attack lettuce

MarigoldsDeters nematodes and aphids while attracting beneficial predatory insects

CarrotsDeep roots don't compete with shallow lettuce roots and help break up soil

RadishesQuick-growing companion that helps break up soil and deters flea beetles

NasturtiumsActs as trap crop for aphids and cucumber beetles, drawing pests away from lettuce

GarlicNatural fungicide properties help prevent lettuce diseases like downy mildew

SpinachSimilar growing requirements and can be succession planted together

DillAttracts beneficial insects like ladybugs and parasitic wasps that control aphids

Avoid

BroccoliHeavy feeder that competes for nutrients and can shade out lettuce

FennelReleases allelopathic compounds that inhibit lettuce germination and growth

SunflowersAllelopathic effects and excessive shading can stunt 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

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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.

Oak Leaf

Sowing

Cultivation

Appearance & flavour

In the kitchen

Pests, disease & resistance

Planting calendar by USDA zone

Companion planting

Avoid

Nutrition (per 100 g)

Where to buy seed and equipment

Grown Oak Leaf?

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