Grown Determinate Roma?

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Determinate Roma — Tomatoes | DarkGrow Seed Bank

Name: Determinate Roma
Brand: DarkGrow Seed Bank

75-80days to harvest

7-14days to germinate

Z10–11USDA zones

Easydifficulty

F1 hybridContainer friendly

Sowing

Start indoors 6-8 weeks before last frost. Can direct sow in warm climates. Transplant when soil reaches 60°F.

Cultivation

Sun: Full sun (6+ hours)
Water: High — consistent moisture needed
Soil: Well-drained loam, tolerates slightly heavier soils
Soil pH: 6.0-7.0
Spacing: 18-24 inches
Height: 1-10 feet
Season: Year Round

Appearance & flavour

Colour: Deep red
Size: 2-3 oz
Shape: Elongated plum or pear shape
Flavour: Rich tomato flavor, low acidity, meaty with few seeds

In the kitchen

Ideal for sauces, paste, canning, and preserving. Good for fresh eating and cooking applications.

Pests, disease & resistance

Pests: Aphids, whiteflies, tomato fruitworm, spider mites
Diseases: Early blight, late blight, bacterial spot, blossom end rot
Resistance: Good resistance to verticillium wilt, fusarium wilt, and tobacco mosaic virus (VFN).

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

ParsleyAttracts beneficial insects like hoverflies and parasitic wasps

CarrotsLoosens soil for tomato roots and doesn't compete for nutrients

NasturtiumActs as trap crop for aphids and cucumber beetles

OreganoRepels pests and may enhance tomato flavor through aromatic compounds

PeppersSimilar growing requirements and may deter some common pests

LettuceUtilizes space efficiently as ground cover and matures before tomatoes peak

Avoid

Black WalnutProduces juglone toxin that causes wilting and stunted growth in tomatoes

FennelInhibits tomato growth through allelopathic compounds

BrassicasCompete for nutrients and may stunt tomato growth when planted nearby

CornBoth attract similar pests like corn earworm 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

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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 tomatoes growing guide.

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

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 Determinate Roma?

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