How to Grow Garlic

Garlic

Allium sativum

vegetable

Garlic is a perennial bulb crop in the onion family, grown for its pungent, flavorful cloves used in cuisines worldwide. The plant produces tall, slender green shoots and develops underground bulbs composed of individual cloves. It's one of the oldest cultivated crops, valued for both culinary and medicinal properties.

Looking for a specific variety?

German Extra Hardy Music Rocambole Chesnok Red Elephant Garlic Turkish Red

Growing Conditions

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Sun: Full sun, 6-8 hours daily minimum; 8+ hours preferred

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Water: Moderate watering; keep soil consistently moist but not waterlogged during growing season. Reduce watering in late spring as plants mature. Needs 15-16 inches of water annually.

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Spacing: 4-6 inches apart, with 12 inches between rows inches

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Days to maturity: 210-240 days (fall planting to early summer harvest)

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Planting depth: 2 inches deep; plant individual cloves with pointed end up

Soil

Type: Well-draining loamy soil rich in organic matter

pH: 6.0-7.0

Amendments:

Compost or aged manure Bone meal or phosphorus Potassium-rich amendments Mulch for moisture retention

Growing Zones

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Thrives in zones 3-9; requires cold winter for proper bulb development

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

Growth Stages

Clove Dormancy & Root Development

8-12 weeks

Planted cloves establish root systems over winter without sprouting above ground

Plant in fall (September-November). Provide 4-8 weeks of temperatures below 40°F for vernalization. Apply mulch after ground freezes to protect from frost heave.

Vegetative Growth (Spring)

8-10 weeks

Green shoots emerge as temperatures warm; plants develop 4-6 leaves and expand root system

Remove mulch as shoots appear. Water regularly as growth accelerates. Apply balanced fertilizer or compost tea every 2-3 weeks. Weed carefully to avoid damaging shallow roots.

Bulbing (Late Spring)

4-6 weeks

Underground bulbs begin dividing into individual cloves; above-ground growth slows

Reduce nitrogen fertilizer; increase phosphorus and potassium. Scapes (flower stems) appear; remove them for larger bulbs or harvest for culinary use. Maintain even soil moisture.

Maturation (Early Summer)

3-4 weeks

Leaves begin yellowing from bottom up; bulbs reach full size with papery skin forming

Reduce watering to cure bulbs in soil. Stop fertilizing. Monitor for leaf yellowing as harvest indicator. Cease watering 2-3 weeks before harvest.

Harvest & Curing

2-4 weeks curing

Bulbs pulled from soil and dried in warm, well-ventilated space for storage

Harvest when 50-75% of leaves have yellowed. Cure in warm (70-85°F), dry, well-ventilated area for 2-4 weeks. Trim roots and dry foliage once cured. Store in cool, dry place.

Companion Planting

Plan your garden →

Plant with:

Tomato Brassicas (cabbage, broccoli, kale) Spinach Strawberry Chamomile Parsley

Avoid planting near:

Beans Peas Sage Other Alliums (onions, leeks, chives)

Common Pests

Spray with neem oil or insecticidal soap; remove infested foliage; encourage beneficial insects
Practice crop rotation (3-4 year break); remove and destroy infected plants; improve drainage; avoid overwatering
Plant disease-resistant varieties; ensure excellent drainage; disinfect tools; avoid planting in contaminated soil
Store cloves in cool location; use sulfur dust; ensure proper ventilation during curing and storage
Rotate crops; plant resistant varieties; soil solarization; add beneficial nematodes

Uses

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Cooking & Flavoring

Culinary

Raw or cooked cloves are used extensively in savory dishes worldwide—from pasta and stir-fries to soups, stews, and marinades. Roasted garlic becomes mild and creamy, while minced raw garlic provides pungent flavor. [source]

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Immune & Cardiovascular Support

Medicinal

Contains allicin and sulfur compounds that may support immune function and cardiovascular health. Traditionally used in folk medicine for colds, circulation, and general wellness. [source]

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Garlic Powder & Preserved Forms

Culinary

Dried and powdered garlic is used as a convenient seasoning. Garlic can also be pickled, fermented, or made into garlic butter and garlic oil for long-term storage. [source]

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Natural Pest Control

Household

Garlic-based sprays and extracts are used as organic pest deterrents in gardens to repel insects and some fungal diseases. [source]

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Pollinator Support

Wildlife

Garlic flowers (scapes when left unharvested) attract bees and beneficial insects, supporting garden biodiversity and pollination. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest when 50-75% of leaves have turned yellow-brown, typically June-July in northern climates. Carefully loosen soil with a garden fork and pull bulbs gently. Cure in a warm (70-85°F), dry, well-ventilated location for 2-4 weeks. Trim roots to ¼ inch and remove dried foliage. Properly cured garlic stores 6-8 months in cool (50-60°F), dry conditions.

Fun Facts

🌱 Garlic requires a prolonged cold period (vernalization) below 40°F to properly form cloves; bulbs planted in warm climates produce single large cloves instead of multiple separated cloves.
🌱 Garlic scapes—the coiled flower stems—are themselves a culinary delicacy with a milder garlic flavor, harvested in spring and used in stir-fries, pesto, and pickling.
🌱 A single garlic clove planted in fall produces one bulb with 8-12 cloves by the following summer, making it one of the most productive perennial crops for home gardeners.

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