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Wisconsin 55 — Tomatoes | DarkGrow Seed Bank

Name: Wisconsin 55
Brand: DarkGrow Seed Bank

80days to harvest

7-14days to germinate

Z10–11USDA zones

Easy to moderatedifficulty

HeirloomContainer friendly

Sowing

Start indoors 6-8 weeks before last frost. Can be planted out earlier than most varieties due to cold tolerance.

Cultivation

Sun: Full sun (6+ hours)
Water: High — consistent moisture needed
Soil: Well-drained, fertile soil with good organic content
Soil pH: 6.2-6.8
Spacing: 24-30 inches
Height: 1-10 feet
Season: Warm season annual

Appearance & flavour

Colour: Bright red with slight pink undertones
Size: 6-8 oz.
Shape: Indeterminate
Flavour: Well-balanced flavor with good acidity, traditional tomato taste

In the kitchen

Excellent for fresh eating, slicing, canning, and cooking applications

Pests, disease & resistance

Pests: Colorado potato beetle, aphids, cutworms
Diseases: Late blight in cool, wet conditions, septoria leaf spot
Resistance: Good cold tolerance, moderate resistance to common tomato diseases

Planting calendar by USDA zone

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

Companion planting

8 beneficial pairings indexed for this variety, 4 to avoid.

BasilRepels aphids, whiteflies, and hornworms while potentially improving tomato flavor

MarigoldDeters nematodes, aphids, and whiteflies with natural compounds

NasturtiumActs as trap crop for aphids and cucumber beetles, repels whiteflies

ParsleyAttracts beneficial insects like hoverflies and parasitic wasps

CarrotsHelp break up soil and don't compete for nutrients or space

ChivesRepel aphids and may improve tomato growth and flavor

BorageRepels hornworms and attracts pollinators, may improve tomato taste

LettuceProvides ground cover and efficient use of space without competing for nutrients

Avoid

Black WalnutProduces juglone toxin that causes tomato wilt and stunted growth

FennelInhibits growth of tomatoes through allelopathic compounds

BrassicasCompete for similar nutrients and may stunt tomato growth when planted too close

CornBoth attract corn earworm/tomato hornworm and compete for nitrogen

Nutrition (per 100 g)

Calories (per 100 g): 27
Protein (g): 0.83
Fat (g): 0.63
Carbohydrate (g): 5.51
Fibre (g): 2.1
Vitamin C (mg): 27.2
Vitamin E (mg): 0.98
Vitamin K (µg): 4.2
Vitamin B6 (mg): 0.06
Folate (µg): 10
Calcium (mg): 11
Iron (mg): 0.33
Magnesium (mg): 11.9
Phosphorus (mg): 28
Potassium (mg): 260
Zinc (mg): 0.2

← PreviousAce 56 Next →Sweet Million

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 tomatoes growing guide.

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

Wisconsin 55

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 Wisconsin 55?

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