How to Grow Dent Corn
Wikimedia Commons
Dent Corn
Zea mays indentata
vegetableDent corn is a field corn variety characterized by a distinctive dent or indentation at the crown of the kernel, caused by the starch shrinking as it dries. It is primarily grown for grain production, animal feed, and processed food products rather than fresh eating. This tall, vigorous crop is a staple in agricultural systems worldwide.
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Example Dent Corn timeline · Pittsburgh, PA (Zone 6b)
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Plant Dent Corn
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Dent Corn
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Dent Corn dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 4-8 are ideal; some varieties adapted to zones 3 and 9
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Get my Dent Corn timeline →Growth Stages
Seedling (V1-V6)
3-4 weeksEmergence and early leaf development; plant establishes root system and first 6 visible leaves appear
Ensure consistent soil moisture; protect from early pests; thin seedlings to proper spacing if direct seeded
Vegetative (V7-VT)
4-6 weeksRapid growth phase with many leaves developing; plant reaches full height and tassel emergence occurs at VT (visible tassel)
Maintain adequate nitrogen levels; manage weeds; monitor for insect pests; consistent watering critical
Pollination (R1-R2)
1-2 weeksTassels shed pollen while silks emerge from ear; pollination occurs as pollen falls onto silks
Do NOT stress plants with drought; maintain soil moisture; avoid pesticides that harm pollinators
Grain Fill (R3-R5)
3-4 weeksKernels develop and accumulate starch; ear grows heavier; plant redirects energy to kernel development
Consistent watering essential; manage nitrogen if needed; monitor for late-season pests and diseases
Maturity & Drying (R6-R7)
2-4 weeksKernels fully mature with characteristic dent at crown; moisture content drops from 30% to 15-20%; plant senescence begins
Stop irrigation; prepare for harvest when kernels are hard and moisture is 15-20%; assess field conditions
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Crop rotation, resistant varieties, Bt insecticide, removal of crop residue
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Resistant varieties, parasitic wasps, Bt spray, timely planting to avoid peak pest populations
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Crop rotation, Bt insecticide, resistant varieties, removal of alternative hosts
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Insecticidal soap, neem oil, beneficial insects, resistant varieties
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Soil cultivation, row covers on seedlings, parasitic nematodes, Bt
Uses
Grain & Processed Foods
CulinaryDent corn is ground into cornmeal, flour, or processed into corn oil, high-fructose corn syrup, corn starch, and animal feed. It is the primary corn used in commercial food production rather than fresh consumption. [source]
Biofuel & Ethanol Production
HouseholdDent corn is a major feedstock for ethanol production and biofuel, providing a renewable energy source for vehicles and industrial applications. [source]
Animal Feed & Livestock Nutrition
CulinaryThe primary use of dent corn is as a high-energy grain feed for cattle, poultry, and swine, providing essential carbohydrates and nutrients for livestock growth. [source]
Industrial Starches & Adhesives
HouseholdCorn starch derived from dent corn is used in adhesives, textiles, paper coating, and numerous industrial applications beyond food production. [source]
Traditional & Nutritional Uses
MedicinalCorn has been used in traditional medicine for diuretic properties and is a valuable source of carbohydrates, B vitamins, and minerals in human nutrition. [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 15-20% moisture content and display the characteristic dent; typically 20-30 days after silks turn brown and dry. For mechanical harvesting, use a combine harvester adjusted for dent corn. For small-scale harvesting, pick ears when they snap cleanly from the stalk and kernels are firm. Dry grain to 12-14% moisture for long-term storage.
Fun Facts
- 🌱 Dent corn is named for the characteristic indentation or 'dent' that forms at the crown of the kernel as the soft starch inside shrinks during drying, unlike the smooth, hard kernels of flint corn.
- 🌱 The United States is the world's largest producer of dent corn, growing over 90 million acres annually, with the vast majority used for animal feed, ethanol production, and processed food ingredients.
- 🌱 A single corn plant can produce up to 400-600 kernels per ear, and modern hybrid dent corn varieties have been selectively bred to dramatically increase yields from natural varieties.
Gardening Terms
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