How to Grow Peanut

Peanut

Arachis hypogaea

vegetable

Peanuts are nitrogen-fixing legumes that produce edible seeds in underground pods. The plant has distinctive yellow flowers that develop into elongated pods buried in the soil after the flower stem elongates downward. They are warm-season annuals requiring a long growing season and well-draining soil.

Looking for a specific variety?

Spanish Valencia Virginia Runner Redskin Jumbo Virginia

Growing Conditions

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Sun: Full sun, 8+ hours daily (10 hours optimal)

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Water: Consistent moisture during pod development; 1-1.5 inches per week. Keep soil evenly moist but not waterlogged, especially during flowering and pegging (pod formation) stages.

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Spacing: 6 inches

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Days to maturity: 120-150 days

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Planting depth: 1-1.5 inches

Soil

Type: Well-draining, loose sandy loam or sandy soil

pH: 5.9-6.3

Amendments:

Compost or aged manure for organic matter Gypsum for calcium and pod development Sulfur if pH is too high Avoid excess nitrogen-heavy fertilizers

Growing Zones

Find your zone →

Thrives in USDA zones 8b-10, with extended seasons achievable in zone 8a with careful timing

9a 9b 10a 10b

Growth Stages

Germination & Emergence

1-2 weeks

Seeds germinate underground; seedlings emerge with cotyledons above soil within 7-10 days

Keep soil warm (70-80°F minimum) and consistently moist. Plant only after soil temperature reaches 65°F. Thin seedlings to proper spacing.

Vegetative Growth

4-6 weeks

Plant develops bushy foliage with compound leaves; establishes root system and lateral branches

Maintain consistent watering and provide full sun. Begin gypsum application. Mulch lightly to retain moisture. Monitor for early pests.

Flowering & Pegging

4-6 weeks

Yellow self-pollinating flowers appear at leaf axils; after pollination, flower stems elongate and push developing pods into soil (pegging)

This is the critical stage for pod development. Ensure soil moisture is consistent and soil remains loose for pod penetration. Hill soil around plant base gently. Apply gypsum if not already done.

Pod Development

4-8 weeks

Underground pods expand and fill with developing seeds; plant continues photosynthesis above ground

Maintain steady watering but avoid waterlogging. Gentle cultivation to keep soil loose. Monitor for fungal diseases in humid conditions.

Maturity & Harvest

2-3 weeks before harvest

Foliage yellows and wilts; pods mature underground with fully developed seeds inside

Reduce watering 2-3 weeks before harvest. Dig carefully to avoid splitting pods. Cure pods properly before storage.

Companion Planting

Plan your garden →

Plant with:

Corn Squash Cucumber Melons Marigold Nasturtium

Avoid planting near:

Onions Garlic Other peanuts (susceptible to same diseases) Brassicas (cabbage family)

Common Pests

Hand-pick, use Bt spray, encourage beneficial insects, monitor with pheromone traps
Spray with neem oil or insecticidal soap, increase humidity, prune affected foliage
Remove affected leaves, improve air circulation, apply fungicide if severe, avoid overhead watering
Ensure good drainage, cure pods properly, store in cool dry conditions, avoid stress
Plant resistant varieties if available, crop rotation, solarize soil before planting

Uses

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Roasted snack and cooking oil

Culinary

Peanuts are eaten roasted as a snack, used to make peanut butter, and pressed into high-quality cooking oil valued for its mild flavor and high smoke point. [source]

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Asian cuisine staple

Culinary

Ground peanuts form the base of satay sauce, curries, and noodle dishes throughout Southeast Asia, adding protein and rich flavor. [source]

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Nutritional powerhouse

Medicinal

Rich in resveratrol, vitamin E, and magnesium, peanuts have been studied for cardiovascular and antioxidant benefits when consumed in moderation. [source]

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Nitrogen fixation and soil improvement

Household

As a legume, peanuts form symbiotic relationships with nitrogen-fixing bacteria, enriching soil for subsequent crops and reducing fertilizer needs. [source]

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Wildlife food source

Wildlife

Peanuts provide nutrition for various wildlife species and can be grown to support local ecosystems in temperate gardens. [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 foliage yellows (120-150 days after planting). Loosen soil carefully with a fork and gently pull the entire plant, keeping pods attached. Shake off soil and invert plants to air-dry for 2-3 days. Remove pods from stems. Cure pods in a warm, well-ventilated area (80-90°F) for 2-3 weeks until the kernel inside snaps rather than bends. Store in cool, dry conditions.

Fun Facts

🌱 Peanuts are not tree nuts but legumes related to beans and peas; the pod develops underground after the flower stem bends down (a phenomenon called 'geocarpy')
🌱 A single peanut plant can produce 25-40 pods, and it takes about 540 peanuts to make a 12-ounce jar of peanut butter
🌱 Peanuts require a minimum of 120 frost-free days and are one of the few crops where the fruit develops underground, making them unique among cultivated plants

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