← Plant Guides

How to Grow Indian Corn (Dent Corn)

Indian Corn (Dent Corn)

Zea mays subsp. mays

vegetable

Indian corn, also called dent corn or field corn, is a staple grain crop characterized by kernels that develop a distinctive dent at the crown as they mature. Unlike sweet corn, Indian corn has lower sugar content and higher starch, making it ideal for cornmeal, flour, and animal feed. It's a tall, warm-season annual that produces large ears with kernels in various colors including yellow, white, blue, red, and purple.

Looking for a specific variety?

Bloody Butcher Blue Corn Hickory King Lancaster Sure Crop Reid's Yellow Dent Strawberry Corn

When should you plant Indian Corn (Dent Corn) in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Indian Corn (Dent Corn) timeline →

Example Indian Corn (Dent Corn) timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Indian Corn (Dent Corn)

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Indian Corn (Dent Corn)

    Around Jul 6

    ≈ 80 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Indian Corn (Dent Corn) dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8+ hours daily (8+ hours optimal for maximum yield)
💧
Water: Consistent moisture, 1-1.5 inches per week; critical during tasseling and silking stages; drought stress reduces kernel set
📏
Spacing: 8-12 inches between plants; rows 30-36 inches apart inches
📅
Days to maturity: 80-120 days depending on variety (from planting to physiological maturity)
🌱
Planting depth: 1-1.5 inches deep; plant after soil reaches 50°F and all frost danger passes

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-7.0
Amendments:
Compost aged manure balanced fertilizer (5-10-10) sulfur if pH too high lime if pH too low

Growing Zones

Find your zone →

Thrives in zones 3-8; best in warm-summer regions with 100+ frost-free days

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

Sign up free to see if Indian Corn (Dent Corn) grows in your zone — and get a personalized planting timeline.

Get my Indian Corn (Dent Corn) timeline →

Growth Stages

1

Germination & Emergence

7-14 days

Seeds sprout underground; first visible shoot emerges 5-10 days after planting

Ensure consistent soil moisture; maintain soil temperature above 50°F; keep weed-free. Plant in warm soil for best germination.

2

Vegetative Growth

30-40 days

Rapid leaf development; plant grows 2-3 feet tall with 6-8 visible leaves; root system establishes deep

Begin side-dressing with nitrogen fertilizer at V4-V6 stage (4-6 leaves visible); maintain consistent water; control weeds aggressively; watch for pest activity

3

Tassel & Silking

10-15 days

Tassel emerges from top of plant; silks protrude from ear husks 2-3 weeks later; flowering and pollination occur

Critical watering period—provide 1.5 inches per week; do not stress plant; ensure adequate nitrogen; pollination requires warm days and moisture; avoid herbicides during this stage

4

Kernel Fill (R3-R5)

20-30 days

Kernels develop and fill with starch; silks brown and dry; kernels transition from milk to dough stage to dent

Continue consistent watering until R6 stage; allow silks to dry naturally; monitor for late-season pests; reduce fertilizer

5

Maturity & Harvest-Ready

10-20 days

Kernels reach dent stage (characteristic depression at crown); husks dry and turn brown; kernels at 20-25% moisture

Stop watering; allow ears to cure on stalk if weather permits; monitor moisture level; harvest when husks are fully brown and kernels hard

Companion Planting

Plan your garden →

Plant with:

Beans peas squash pumpkins melons cucumbers marigolds nasturtiums

Avoid planting near:

Fennel dill tomatoes (competes for nitrogen) brassicas

Common Pests

  • Use Bt (Bacillus thuringiensis) spray; plant resistant varieties; remove infested plant material; plow under crop residue in fall

  • Apply mineral oil to silk channel when silks appear; use pheromone traps; hand-pick affected ears; Bt spray effective in early stages

  • Bt spray; spinosad; insecticides targeting young larvae; encourage natural predators

  • Bt spray; spinosad; neem oil; resistant varieties; remove crop residue

  • Crop rotation (avoid planting corn in same location 2 years running); resistant varieties; soil insecticides if severe; early planting reduces damage

  • Remove galls before they rupture; destroy infected material; improve air circulation; resistant varieties

  • Plant resistant varieties; proper spacing for air flow; remove infected ears; avoid over-fertilizing with nitrogen

Uses

🍳

Cornmeal & Flour

Culinary

Dried kernels are ground into cornmeal and flour used for polenta, cornbread, tortillas, and baking. Indian corn varieties like flint corn produce superior texture and flavor compared to dent corn. [source]

🍳

Fresh Eating (Immature)

Culinary

Harvest at milk stage (15-20 days after silking) for tender, sweet kernels suitable for boiling, roasting, or adding to dishes. Earlier harvest provides better eating quality than fully mature kernels. [source]

🏠

Animal Feed & Grain Storage

Household

Mature kernels are a primary ingredient in livestock feed and poultry rations. Excellent long-term storage crop for self-sufficiency when dried to 10-15% moisture content. [source]

🎨

Decorative & Craft Uses

Craft

Colored Indian corn varieties (blue, red, purple) are prized for fall decorations, corn art, and dried arrangements. Whole ears and individual kernels are used in crafts, corn dollies, and ornamental displays. [source]

💊

Corn Silk Tea

Medicinal

Silks (stigmas) brewed as a traditional herbal tea believed to support kidney and urinary health. Rich in antioxidants and historically used in Native American medicine. [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 kernels reach dent stage (typically 20-25% moisture) and husks turn brown. Ears are ready 20-25 days after silking. Cut or snap ears off the stalk, leaving husks attached for easier handling. For eating fresh (before full dent), harvest at milk stage (15-20 days after silking) when kernels still contain liquid. For storage/grain use, allow ears to dry on the stalk or cure indoors; husks should be completely brown. Strip husks and store in cool, dry location. Moisture content should drop to 10-15% for long-term storage.

Fun Facts

  • 🌱 Indian corn (dent corn) is the most widely grown corn variety globally and comprises over 99% of corn grown in the United States, primarily for animal feed and industrial uses rather than direct human consumption.
  • 🌱 The distinctive 'dent' that gives dent corn its name occurs as the kernel matures and the starch inside shrinks faster at the center than at the crown, creating the characteristic depression—a sign the kernel is fully mature.
  • 🌱 Native American cultures cultivated corn for thousands of years, developing hundreds of distinct varieties in different colors (blue, red, purple, white, yellow) through selective breeding, and Indian corn preserves these genetic heritages.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Annual Crown Full Sun Germination Pollination
Shop Indian Corn (Dent Corn) plants and related plants at Plant Addicts →

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Indian Corn (Dent Corn) planting timeline

Tell us your zip code and we'll calculate exactly when to start Indian Corn (Dent Corn) seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Indian Corn (Dent Corn) timeline →