How to Grow Pioneer 45H26 Corn

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Pioneer 45H26 Corn

Zea mays subsp. mays

vegetable

Pioneer 45H26 is a hybrid field corn variety bred for mid-season maturity and reliable grain production. It is a dent corn hybrid commonly used for animal feed, ethanol production, and grain harvest. This variety is known for good standability, disease resistance, and consistent yields across diverse growing conditions.

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Example Pioneer 45H26 Corn timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Pioneer 45H26 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 Pioneer 45H26 Corn

    Around Aug 5

    ≈ 110 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Pioneer 45H26 Corn dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, minimum 6-8 hours daily; prefers full day sun exposure
💧
Water: Requires 15-20 inches of water per season; needs consistent moisture during pollination and grain fill stages; reduce watering after physiological maturity
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Spacing: 8-12 inches between plants in rows; rows spaced 30 inches apart (typical for field corn) inches
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Days to maturity: 110-115 days to physiological maturity (R6 stage)
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Planting depth: 1.5-2 inches deep for seed corn; plant when soil temperature reaches 50°F (10°C) and rising

Soil

Type: Well-draining loamy soil with good fertility
pH: 6.0-7.0
Amendments:
Nitrogen fertilizer (120-150 lbs/acre recommended) Phosphorus and potassium based on soil test Lime if pH is below 6.0 Organic matter to improve soil structure

Growing Zones

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Thrives in zones 4-8, adapted to northern and central Corn Belt regions

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

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Growth Stages

1

Seedling (VE-V3)

10-14 days

Seed germinates and first leaves emerge above soil; plants develop primary root system

Ensure consistent soil moisture; protect from birds and cutworms; monitor for early pest damage

2

Vegetative Growth (V4-V12)

30-40 days

Rapid height growth; leaf count increases; secondary roots develop; plant establishes deep root system

Apply nitrogen fertilizer in split applications; control weeds before V4 stage; monitor for herbicide damage and disease

3

Reproductive/Pollination (VT-R2)

20-25 days

Tassel emergence and pollen shed; silks emerge and pollination occurs; grain development begins

Ensure adequate water and nutrients during this critical period; this stage determines final grain number; monitor for aflatoxin and disease pressure

4

Grain Fill (R3-R5)

30-35 days

Grain develops and fills with starch; kernels transition from milk to dough to hard dent stage; plant begins senescence

Maintain consistent water supply during this period to maximize grain weight; monitor for late-season diseases and pests

5

Maturity (R6)

10-15 days

Kernels reach physiological maturity with black layer formation; moisture content drops to 25-35%; plant dries down

Stop irrigation; allow kernels to dry in field before harvest; monitor moisture for optimal harvest timing (20-25% moisture for combine harvest)

Companion Planting

Plan your garden →

Plant with:

Soybeans (in rotation) Legumes (nitrogen fixation in rotation) Winter wheat (rotation crop)

Avoid planting near:

Corn (same field, same season - monoculture risk) Related Zea mays varieties requiring isolation for seed purity

Common Pests

  • Bt transgenic corn varieties, crop rotation, destruction of crop residue, insecticide if necessary

  • Crop rotation, Bt corn hybrids, soil insecticides at planting, resistant hybrids

  • Bt corn varieties, biological control, targeted insecticide applications, pheromone traps for monitoring

  • Monitor with sticky traps; insecticidal soap if severe; natural predators usually control populations

  • Plant resistant hybrids, control aphid vectors, remove infected plants, manage weed hosts

Uses

🍳

Animal Feed and Livestock Nutrition

Culinary

Pioneer 45H26 is a premier field corn hybrid widely used as a primary feed grain for cattle, poultry, swine, and other livestock. Its consistent kernel quality and nutritional profile make it ideal for formulating balanced animal rations. [source]

🏠

Ethanol and Biofuel Production

Household

This hybrid is commonly used in ethanol production as a renewable fuel source. The starch content and fermentation characteristics make it suitable for industrial bioethanol manufacturing. [source]

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Industrial Processing

Household

Pioneer 45H26 grain is processed into corn meal, flour, and other food ingredients for human and industrial use. It serves as a feedstock for corn oil, cornstarch, and sweetener production. [source]

🦋

Wildlife and Bird Food

Wildlife

Unharvested corn and crop residue provide food and cover for wildlife including deer, wild turkeys, and migratory birds, supporting ecosystem biodiversity. [source]

🎨

Corn Cob and Residue Uses

Craft

The cob and stalks can be used for bedding, bioenergy, industrial abrasives, and bioproducts. Crop residue management is important for soil health and carbon sequestration. [source]

Harvest Tips

Harvest when kernel moisture reaches 20-25% for combine harvesting (typically 4-6 weeks after R6); grain moisture content is critical for storage and handling; allow kernels to reach hard dent stage with black layer; earlier harvest reduces field losses but requires artificial drying; later harvest reduces drying costs but increases weather and wildlife loss risk

Fun Facts

  • 🌱 Pioneer 45H26 has a heat unit (Growing Degree Days) requirement of approximately 2,250-2,400 GDD, making it suited for areas with moderate growing seasons and cold springs.
  • 🌱 This hybrid was bred to deliver strong grain quality, with an emphasis on disease resistance to common corn pathogens such as gray leaf spot, northern corn leaf blight, and tar spot complex.
  • 🌱 The 45H26 designation follows Pioneer's hybrid numbering system where the first numbers indicate relative maturity; this hybrid balances early-season vigor with mid-season maturity for reliable performance across variable weather.

Gardening Terms

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