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Diamond F1 — Aubergines | DarkGrow Seed Bank

Name: Diamond F1
Brand: DarkGrow Seed Bank

70-80days to harvest

10-14days to germinate

Z9–12USDA zones

Easy to Moderatedifficulty

F1 hybridContainer friendly

Sowing

Start indoors 8-10 weeks before last frost date. Transplant when soil temperature is consistently above 60°F.

Cultivation

Sun: Full sun (6+ hours)
Water: High — consistent moisture needed
Soil: Well-drained, fertile soil rich in organic matter
Soil pH: 6.0-6.8
Spacing: 24-30 inches
Height: 2-4 feet
Season: Year Round

Appearance & flavour

Colour: Deep glossy black-purple
Size: 8-10 inches long, 4-5 inches wide
Shape: Classic oval teardrop shape
Flavour: Rich, creamy, mild with excellent texture

In the kitchen

Grilling, roasting, moussaka, baba ganoush, ratatouille, Mediterranean dishes

Pests, disease & resistance

Pests: Flea beetles, aphids, whiteflies, spider mites
Diseases: Early blight, late blight, mosaic virus, phomopsis blight
Resistance: Good resistance to verticillium wilt and bacterial wilt

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, 3 to avoid.

BasilRepels aphids, spider mites, and hornworms while potentially improving eggplant flavor

MarigoldDeters nematodes, aphids, and flea beetles with natural compounds

PepperSame growing requirements and helps confuse pests that target nightshades

TomatoSimilar care needs and can share support structures, mutual pest confusion

ParsleyAttracts beneficial insects like hoverflies and parasitic wasps

OreganoRepels aphids, spider mites, and provides ground cover to retain moisture

CatnipStrong deterrent against flea beetles, aphids, and squash bugs

NasturtiumActs as trap crop for aphids and flea beetles, draws pests away from eggplant

Avoid

FennelProduces allelopathic compounds that inhibit growth of most vegetables including eggplant

Black WalnutReleases juglone toxin that causes wilt and stunted growth in nightshade plants

CornCompetes for nutrients and can harbor corn earworm which also attacks eggplant

Nutrition (per 100 g)

Calories (per 100 g): 25
Protein (g): 0.98
Fat (g): 0.18
Carbohydrate (g): 5.88
Fibre (g): 3
Sugars (g): 3.53
Vitamin A (µg): 1
Vitamin C (mg): 2.2
Vitamin E (mg): 0.3
Vitamin K (µg): 3.5
Vitamin B6 (mg): 0.084
Folate (µg): 22
Calcium (mg): 9
Iron (mg): 0.23
Magnesium (mg): 14
Phosphorus (mg): 24
Potassium (mg): 229
Zinc (mg): 0.16
Selenium (µg): 0.3

← PreviousJapanese Purple Pickling Next →Hansel F1

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 aubergines growing guide.

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

Diamond F1

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 Diamond F1?

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