German Extra Hardy, Garlic Bulbs

German Extra Hardy Garlic Bulbs

Exceptional winter hardiness suits cold-climate garlic growers
Pale wrappers conceal striking dark-red cloves
Strong raw flavor mellows through high-sugar roasting
Deep roots support reliable overwintering and production

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Key Attributes

Botanical Name

Allium sativum

Days to maturity

290 Days

Sun

Full Sun

About German Extra Hardy, Garlic Bulbs, Garlic Bulbs

The German Extra Hardy garlic is a prolific producer of long rooted garlic that can store in the ground throughout winter. German Extra Hardy is supplied as planting bulbs ready to separate into cloves and establish in the garden. This variety has pale white skin with dark red cloves. The German Extra Hardy has a strong raw flavor and high sugar content, making it one of the very best for roasting.

Growing details

Planting

Germination Type

M - Fall Sow Recommended

Row Spacing

18"

Plant profile

Maturity

Summer

Life Cycle

Annual

Plant Height

18-24"

Growth Habits

Clumping, Upright

Type

Porecelain Garlic

Seed & variety

Seed Type

Open Pollinated

Growing Season

Cool-Season Crop

Before Planting

Garlic needs a long cool period followed by lengthening spring days. Give it full sun, loose moisture-retentive soil near pH 6.0–7.0, and a bed free of recent onions, leeks, or garlic. Break bulbs apart only shortly before planting and retain the largest sound cloves.

Planting

Plant cloves in fall, usually shortly after the first killing frost but before the ground freezes. Stand each clove with its pointed end up, place the base roughly 2–3 inches below the surface, and allow about six inches between plants. Cover the bed with clean winter mulch after the soil cools.

Watering

Roots form in autumn and resume early in spring, making timely moisture important. Keep the bed watered through leaf growth and bulb expansion, then reduce irrigation as lower leaves brown. Wet soil near maturity stains wrappers and promotes decay.

Fertilizer

Garlic uses nitrogen heavily early in the season. Supply it at planting or soon after shoots emerge, with a second spring application where needed, then stop once bulbing is underway. Late nitrogen delays maturity and weakens storage quality.

Harvesting

Begin harvest when several lower leaves have browned but upper leaves remain green. Loosen bulbs with a fork rather than pulling the stems, protect the wrappers, and cure whole plants in a shaded, airy place before trimming or storage.

Tips

Keep spring weeds from overtaking the narrow leaves and remove winter mulch gradually if it keeps soil cold and wet. Cut hardneck scapes after they curl when larger bulbs are the goal; the tender scapes are edible.

Pests & Diseases

White rot, Fusarium basal rot, Botrytis neck rot, and viruses often arrive on garlic bulbs. Plant only firm, clean cloves from trusted stock. Yellowing with white growth and tiny black bodies near the base indicates white rot; remove plants and soil carefully, sanitize tools, and never move bulbs from that bed.

Onion maggots, bulb mites, nematodes, thrips, white rot, and basal rot may affect garlic. Plant clean stock, rotate alliums for several years, avoid moving contaminated soil, and discard bulbs with soft or moldy tissue.