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Coastal Star — Lettuce | DarkGrow Seed Bank

Name: Coastal Star
Brand: DarkGrow Seed Bank

57days to harvest

7-14days to germinate

Z2–11USDA zones

Easy to Moderatedifficulty

HeirloomContainer friendly

Sowing

Can sow from early spring through mid-summer. Direct sow or transplant. Excellent for summer plantings.

Cultivation

Sun: Full sun to partial shade (4-6+ hours)
Water: 1-2 inches per week, consistent deep watering
Soil: Well-drained, fertile soil with excellent organic content
Soil pH: 6.0-7.0
Spacing: 8-10 inches
Height: 6-12 inches
Season: Warm season annual

Appearance & flavour

Colour: Medium green outer leaves with bright yellow-green hearts
Size: 7-9 inch wide, 12-14 inch tall heads
Shape: Tall, upright romaine with tight heart formation
Flavour: Crisp and crunchy with sweet, mild flavor that resists bitterness in heat

In the kitchen

Caesar salads, grilling, wraps, sandwiches. Excellent for summer salads when other varieties fail.

Pests, disease & resistance

Pests: Aphids, thrips, leafminers, occasional caterpillars
Diseases: Downy mildew, lettuce mosaic virus, bacterial leaf spot
Resistance: Corky Root (Intermediate)

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	July – October
4	—	—	April – June	June – October
5	—	—	April – May	June – November
6	—	—	April – May	June – November
7	—	—	March – May	May – November
8	—	—	March – April	May – December
9	—	—	February – March	April – 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 improves lettuce flavor while providing natural pest deterrent

CarrotsDeep roots complement lettuce's shallow roots, efficient space usage without competition

RadishesBreak up soil for lettuce roots and mature quickly, allowing succession planting

MarigoldsRepel nematodes and aphids while attracting beneficial insects

SpinachSimilar growing requirements and can provide shade during hot weather

GarlicNatural fungicide properties help prevent lettuce diseases and repel pests

NasturtiumsTrap crop for aphids and cucumber beetles, protecting lettuce from pest damage

DillAttracts beneficial insects like ladybugs and lacewings that control lettuce pests

Avoid

BroccoliHeavy feeder that competes for nutrients and can shade out lettuce

SunflowersAllelopathic effects inhibit lettuce germination and growth

ParsleyCan attract carrot flies and compete for similar nutrients in the root zone

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.

Coastal Star

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 Coastal Star?

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