Corn

Zea mays

Poaceae · vegetables · Mexico

EdibleMedium Maintenance

About Corn

America's most important crop, grown for sweet eating, popping, grinding, and ornamental purposes. Wind-pollinated — must be planted in blocks, not single rows. Sweet corn picked and eaten within hours is incomparable.

Growing Conditions

☀️

Sun

Full Sun

💧💧

Water

Medium

🌱

Soil

Rich, Well-drained

📈

Growth Rate

Fast

🌸

Bloom Season

Summer

🌈

Bloom Color

Green/Yellow (tassels)

Size & Dimensions

Height

Spread

Hardiness Zone Range

Suitable for USDA Zones 2 through 11

Plant Details

Family	Poaceae
Category	Vegetables
Native Region	Mexico
Scientific Name	Zea mays

Care Tips

✓Plant in blocks of at least 4 rows for wind pollination.
✓Direct sow after soil is 60°F+.
✓Needs rich soil and consistent water.
✓Harvest when silk turns brown and kernels squirt milky liquid.

Fun Facts

★Modern corn is so heavily domesticated it cannot survive without human cultivation.
★Corn was domesticated from teosinte in Mexico about 9,000 years ago.
★Each silk connects to one kernel.

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Data verified: 2026-04

USDA Plants Database Missouri Botanical Garden

Frequently Asked Questions

What USDA hardiness zones can Corn grow in?

Corn (Zea mays) thrives in USDA hardiness zones 2 through 11. This means it can tolerate winter temperatures typical of these zones. Check your local zone to ensure it is suitable for your area.

How much sun and water does Corn need?

Corn requires full sun and has medium water needs. It grows best in rich, well-drained soil. Regular watering is recommended, especially during dry periods.

How tall and wide does Corn grow?

Corn typically reaches 8' tall with a spread of 1'. It has a fast growth rate and requires medium maintenance. Plan your garden spacing accordingly to give it room to reach its full size.

Is Corn deer resistant?

Corn is not typically considered deer resistant. If deer are common in your area, consider protecting young plants with fencing or using deer repellent sprays during the growing season.

When does Corn bloom and is it edible?

Corn blooms in summer, producing green/yellow (tassels) flowers. Parts of this plant are edible and can be used in cooking or eaten fresh. It belongs to the Poaceae family and is native to Mexico.

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