240-270days to harvest
14-21 (spring emergence)days to germinate
Z4–9USDA zones
Easydifficulty
Heirloom

Sowing

Plant cloves 2 inches deep in fall, 6-8 weeks before hard freeze. Pointed end up, 4-6 inches apart.

Cultivation

Sun
Full sun (6+ hours)
Water
Moderate, reduce watering 3 weeks before harvest
Soil
Well-drained, loose soil rich in organic matter
Soil pH
6.0-7.0
Spacing
4-6 inches
Height
12-18 inches
Season
Fall planted, winter dormant

Appearance & flavour

Colour
White papery skin with purple striping
Size
2-2.5 inches diameter, 4-6 cloves per bulb
Shape
Round bulbs with plump cloves
Flavour
Rich, complex garlic flavor, sweet when roasted

In the kitchen

Excellent for roasting, cooking, and raw use. Scapes are delicious stir-fried. Stores 6-8 months.

Pests, disease & resistance

Pests
Onion thrips, bulb mites (minimal issues)
Diseases
White rot, fusarium basal rot (in poor drainage)
Resistance
Good resistance to white rot and fusarium

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
5——April – MayDecember – November
6——April – MayDecember – November
7——March – MayDecember – November
8——March – AprilNovember – December
9——February – MarchOctober – December
10——January – MarchOctober – December
11——January – FebruarySeptember – December
12——January – FebruarySeptember – December
13——January – FebruarySeptember – December

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

TomatoesGarlic repels aphids, spider mites, and hornworms that commonly attack tomatoes
CabbageGarlic deters cabbage worms, aphids, and other brassica pests
CarrotsGarlic repels carrot flies while carrots help break up soil around garlic bulbs
LettuceGarlic protects lettuce from aphids and slugs without competing for nutrients
RosesGarlic repels aphids, Japanese beetles, and may reduce black spot disease
PeppersGarlic deters aphids, spider mites, and other soft-bodied insects that damage peppers
SpinachGarlic provides pest protection while spinach's shallow roots don't compete with garlic bulbs
StrawberriesGarlic repels slugs, aphids, and spider mites that commonly damage strawberry plants

Avoid

BeansGarlic can inhibit bean growth and nitrogen fixation by rhizobia bacteria
PeasAlliums can stunt pea growth and interfere with their nitrogen-fixing capabilities
AsparagusGarlic can inhibit asparagus growth and may reduce spear production

Nutrition (per 100 g)

Calories (per 100 g)
143
Protein (g)
6.62
Fat (g)
0.38
Carbohydrate (g)
28.2
Fibre (g)
2.7
Vitamin C (mg)
10
Selenium (µg)
9.8

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the onions & alliums growing guide.

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

DarkGrow forum

Grown German Extra Hardy Garlic?

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

Similar varieties

Other alliums with a comparable time to harvest, so a season that suits German Extra Hardy Garlic suits these too.

Browse all 44 alliums