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

Red Kingdom — Lettuce | DarkGrow Seed Bank

Name: Red Kingdom
Brand: DarkGrow Seed Bank

21days to harvest

7-10 daysdays to germinate

Z5–9USDA zones

Easydifficulty

F1 hybrid

Sowing

Direct sow after last frost, or start indoors 4-6 weeks before transplanting

Cultivation

Sun: Full sun to part shade
Water: High — consistent moisture needed
Soil: Well-drained, fertile loam with organic matter
Spacing: 12-18 inches
Height: 3 feet
Season: Warm season annual

Appearance & flavour

Colour: Deep purple-red with light green underside
Shape: Gently scalloped, broad leaves
Flavour: Mild, tender, and delicate with subtle sweetness.

In the kitchen

Fresh salads, salad mixes, garnish, microgreens

Pests, disease & resistance

Pests: Aphids, slugs, snails, flea beetles
Diseases: Lettuce mosaic virus, downy mildew, powdery mildew

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

CarrotsCompatible root depths, carrots help break up soil for lettuce shallow roots

RadishesFast-growing radishes break up soil and can be harvested before lettuce needs full space

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

SpinachSimilar growing requirements and can be intercropped for efficient space use

GarlicNatural fungicide properties help prevent lettuce diseases and repel pests

NasturtiumsAct as trap crop for aphids and cucumber beetles, protecting lettuce

CilantroAttracts beneficial insects and provides natural pest control for lettuce

Avoid

BroccoliCompetes heavily for nutrients and can shade out lettuce with large leaves

SunflowersAllelopathic effects inhibit lettuce growth and massive size creates too much shade

ParsleyCan attract carrot fly which may damage lettuce roots and competes for similar 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

← PreviousCapitano Next →Miz America

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.

Red Kingdom

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 Red Kingdom?

Similar varieties