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Rosie — Lettuce | DarkGrow Seed Bank

Name: Rosie
Brand: DarkGrow Seed Bank

21days to harvest

7-10 daysdays to germinate

Z5–9USDA zones

Easydifficulty

F1 hybrid

Sowing

Direct sow seeds pressed lightly into prepared soil (requires light to germinate); sow 2-3 weeks before last spring frost or mid-to-late July for fall crop; thin seedlings to spacing once first true leaves appear

Cultivation

Sun: Full sun to part shade
Water: High — consistent moisture needed
Soil: Well-draining loam with organic matter, slightly acidic to neutral (pH 6.0-7.0)
Spacing: 8-12 inches
Height: 3 feet
Season: Warm season annual

Appearance & flavour

Colour: Bright red leaves with greenish-red stems
Size: 12"
Shape: Vase-shaped plant form
Flavour: Mild and slightly sweet with tender, delicate leaves; subtle flavor profile ideal for mixed salads

In the kitchen

Mixed green salads, garnishes, salad packs, wraps, baby leaf harvests

Pests, disease & resistance

Pests: Aphids, slugs, flea beetles, cutworms
Diseases: Powdery mildew, downy mildew, root rot (in waterlogged conditions)

Planting calendar by USDA zone

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

Companion planting

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

ChivesRepels aphids and improves lettuce flavor while providing natural pest deterrent

CarrotsLoosens soil for lettuce roots and doesn't compete for nutrients due to different root depths

RadishesQuick-growing root vegetables that break up soil and can be intercropped with lettuce

MarigoldsRepels nematodes, aphids, and other pests while attracting beneficial insects

NasturtiumsActs as trap crop for aphids and cucumber beetles, protecting lettuce from damage

GarlicNatural fungicide and pest repellent that deters aphids and slugs

SpinachSimilar growing conditions and harvest times, efficient use of garden space

ParsleyAttracts beneficial insects and provides light shade without competing heavily for nutrients

Avoid

BroccoliHeavy feeder that competes intensely for nitrogen and can overshadow lettuce

FennelProduces allelopathic compounds that inhibit germination and growth of lettuce

SunflowersTall growth creates excessive shade and roots compete aggressively for water and nutrients

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.

Rosie

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 Rosie?

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