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Corn

Zea mays

The warm-season towering producer of sweet kerneled cobs

🌱 Root Zone: Deep

🌱 Annual ☀️ Full Sun 💧 Moderate Water 🌡️ Zones 3-9

🌽

Best Roommates 1

Bean

Nitrogen-fixing; corn provides support

Keep Your Distance 1

Shades lettuce; competes for nutrients

Growing Guide

🌱 Planting

Start seeds indoors 6-8 weeks before last frost
Transplant when soil reaches 65°F (18°C)
Space plants 18-24 inches apart
Plant in well-draining, rich soil with pH 6.0-6.8

💧 Water & Soil

Water deeply 1-2 inches per week
Mulch to retain moisture and prevent weeds
Consistent watering prevents fruit cracking
Avoid wetting foliage to prevent disease

☀️ Light & Temperature

Requires 6-8 hours of direct sunlight daily
Ideal temperatures: 70-85°F (21-29°C)
Protect from strong winds
Use row covers in cooler climates

🌿 Care & Maintenance

Stake or cage plants for support
Prune suckers below the first flower cluster
Fertilize every 2-3 weeks during fruiting
Monitor for common pests and diseases

Harvesting & Storage

🍅 When to Harvest

Harvest when fully colored but still firm
Ripe when gently pressed gives slightly
Best flavor developed at room temperature
Check daily during peak season

🏠 Storage Tips

Store at room temperature out of direct sun
Avoid refrigeration (cold ruins flavor/texture)
Use within 5-7 days for best quality
Can be frozen, canned, or dried for preservation

Troubleshooting Guide

🐛 Common Pests

Hornworms: Hand-pick or use Bt
Aphids: Spray with soapy water
Whiteflies: Use yellow sticky traps
Spider Mites: Increase humidity, use neem oil

🦠 Common Diseases

Early Blight: Remove affected leaves, improve airflow
Blossom End Rot: Ensure consistent calcium supply
Cracking: Maintain even watering
Powdery Mildew: Increase air circulation

Get Growing

Ready to add Corn to your garden? Find high-quality organic seeds to get started.

Find Corn Seeds

Common Questions

What are the best companion plants for Corn?

Corn (Zea mays) is a deep root plant. The best companions include Bean.

What should you NOT plant next to Corn?

Avoid planting Lettuce near Corn as they may compete for nutrients or attract similar pests.

Can I grow Corn in a container?

Corn has a deep root system, so choose a deep container (at least 12-18 inches) for best results.