How To Plant Corn From Seed [ Full Guide ]

Corn, also known as maize, is a staple food crop grown in many parts of the world. Growing corn from seed can be a rewarding experience, but it requires proper planning and care. In this comprehensive guide, we will explore the step-by-step process of planting corn from seed, from understanding the ideal growing conditions to selecting the right seeds and preparing the planting site.

Quick Answer: How To Plant Corn From Seed

Before delving into the details, here’s a quick overview of how to plant corn from seed:

  1. Understanding Ideal Conditions: Ensure the soil temperature is consistently above 60°F (15.5°C), and provide ample sunlight and well-draining soil.

  2. Choosing the Right Corn Seeds: Select seeds based on your climate, as well as the type of corn, such as sweet, dent, or flint.

  3. Preparing the Planting Site: Clear the area of debris and weeds, and ensure the soil is fertile and well-drained.

  4. Planting the Seeds: Sow the seeds directly into the soil at the recommended depth and spacing, and water thoroughly.

  5. Caring for the Corn Plants: Maintain consistent moisture, provide fertilizer as needed, and watch for pests and diseases.

Now, let’s delve into the detailed steps involved in planting corn from seed.

I. Understanding The Ideal Conditions For Growing Corn

Before you begin planting corn from seed, it’s essential to understand the ideal growing conditions for this warm-season crop.

Soil Temperature And Sunlight

Corn thrives in warm temperatures, so it’s crucial to wait until the soil has warmed up. The ideal soil temperature for planting corn is around 60°F (15.5°C) or higher. The seeds will not germinate well in cold soil, and the young plants are sensitive to frost. Additionally, corn requires ample sunlight, so select a planting site that receives at least 6 to 8 hours of full sun per day.

Soil Type

Corn plants prefer well-draining, fertile soil with a pH range of 6.0 to 6.8. Loamy soils with good organic matter content are particularly suitable for growing corn. It is essential to avoid waterlogged or compacted soil, as this can hinder root development and overall plant growth.

Climate Considerations

The climate in your region plays a significant role in successful corn cultivation. Some varieties of corn are better suited to specific climates, so it’s essential to select seeds that are adapted to the conditions in your area. For instance, if you have a short growing season, choose a variety that has a shorter maturity period.

II. Choosing The Right Corn Seeds

Selecting the right corn seeds is crucial for a successful harvest. Consider the following factors when choosing seeds:

Climate Adaptation

Different corn varieties are adapted to specific climate conditions. Some are better suited to cooler climates, while others thrive in hot, dry regions. Before purchasing seeds, research the best varieties for your local climate.

Type Of Corn

There are several types of corn, including sweet corn, dent corn, flint corn, and popcorn. Determine the type of corn you want to grow based on your intended use. If you’re growing corn for fresh consumption, sweet corn varieties are ideal. For animal feed or processing, dent or flint corn may be more suitable.

Hybrid Vs. Open-Pollinated Seeds

Hybrid corn seeds are a result of controlled pollination and are bred for specific traits such as disease resistance and uniformity. On the other hand, open-pollinated seeds are naturally pollinated and can be saved and replanted. Consider the advantages and disadvantages of each type based on your long-term goals for your corn crop.

Seed Quality

When purchasing corn seeds, opt for high-quality, disease-free seeds from a reputable supplier. Look for seeds with a high germination rate, as this will increase the likelihood of successful establishment.

III. Preparing The Planting Site

Once you have selected the right corn seeds, it’s time to prepare the planting site. Proper site preparation is essential for the successful growth of corn plants.

Clearing The Area

Start by clearing the planting site of any debris, rocks, or weeds. Corn plants require ample space and can be negatively impacted by competition from weeds. Clearing the area also helps to create a clean, uniform planting bed for the seeds.

Soil Preparation

Prepare the soil by tilling or digging to a depth of about 8 to 10 inches. This will loosen the soil, improve aeration, and create a better environment for root growth. Incorporate organic matter, such as compost or well-rotted manure, to enrich the soil and provide essential nutrients for the growing plants.


Before planting, consider conducting a soil test to determine the nutrient levels in the soil. Based on the results, add any necessary fertilizers to ensure that the corn plants have access to essential nutrients throughout their growth cycle. Generally, a balanced fertilizer with a higher nitrogen content is beneficial for corn.

Soil Ph Adjustment

If the soil pH is outside the ideal range of 6.0 to 6.8, consider adjusting it using lime to raise the pH or elemental sulfur to lower the pH. Proper soil pH is crucial for nutrient availability to the corn plants.

Planting Site Layout

Plan the layout of the planting site, considering factors such as row spacing and seed depth. Proper spacing ensures that the corn plants have enough room to grow and develop. The recommended spacing between rows is typically around 30 to 36 inches, with 8 to 12 inches between individual plants.

IV. Planting The Seeds

With the planting site prepared, it’s time to sow the corn seeds. Follow these steps for successful seed planting:

Sowing Depth And Spacing

Plant corn seeds at a depth of 1 to 1.5 inches in the soil. Space the seeds approximately 9 to 12 inches apart within the rows. If you’re planting multiple rows, maintain the recommended spacing between the rows to provide ample room for the plants to grow and for ease of maintenance.

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Planting Method

Corn seeds can be planted directly into the soil or started indoors and then transplanted once the risk of frost has passed. Direct seeding is commonly practiced, but in areas with a shorter growing season, starting the seeds indoors can give the plants a head start.


After planting, water the area thoroughly to ensure that the soil is evenly moist. Adequate moisture is crucial for germination, so pay close attention to the watering needs of the seeds until they begin to sprout.


Consider applying a layer of organic mulch, such as straw or grass clippings, around the base of the young plants. Mulch helps retain soil moisture, suppresses weed growth, and moderates soil temperature, creating a favorable environment for the growing corn plants.

Caring For The Corn Plants

As the corn plants continue to grow, ongoing care is essential to ensure a successful harvest. Here are some key care practices to implement:


Corn plants require consistent moisture, especially during the critical stages of pollination and ear development. Water the plants deeply and evenly, aiming to provide about 1 inch of water per week when rainfall is insufficient.


Apply a side-dressing of nitrogen fertilizer when the plants are knee-high. This additional dose of nitrogen supports vigorous growth and promotes healthy, robust plants.

Pest And Disease Management

Keep an eye out for common pests and diseases that can affect corn, such as corn earworms, cutworms, and common rust. Implement integrated pest management techniques and monitor the plants regularly to address any issues promptly.

Supporting Tall Varieties

If you are growing tall or vining varieties of corn, consider providing support such as stakes or trellises to prevent the plants from toppling over in strong winds or heavy rain.

Successfully planting corn from seed requires attention to detail and the implementation of best practices at each stage of the process. By understanding the ideal growing conditions, selecting suitable seeds, preparing the planting site, and providing proper care, you can cultivate a thriving corn crop. Whether you’re a novice gardener or an experienced farmer, following these guidelines will set you on the path to a bountiful harvest of delicious, homegrown corn.

V. Preparing The Seeds For Planting

Corn, also known as maize, is a versatile and widely cultivated cereal crop. It is a staple food in many parts of the world and is also used for animal feed and various industrial purposes. If you’re interested in growing your own corn, planting it from seed is a cost-effective and rewarding option.

Before you start planting the corn seeds, it’s important to prepare them properly. Here are the steps you should follow:

  1. Select high-quality seeds: Choose healthy, disease-free seeds from a reputable source. Varieties suitable for your climate and growing conditions should be selected for the best results.

  2. Seed treatment: Corn seeds can benefit from seed treatment to protect them from pests and diseases. You can use a store-bought seed treatment or make your own by mixing a fungicide with water and soaking the seeds for the required time as specified by the product instructions.

  3. Testing for germination: To ensure that your seeds are viable, you can perform a simple germination test. Take a sample of seeds and place them between moist paper towels or in a seed tray with a germination mix. Keep them in a warm location and check for germination after a few days. If a significant number of seeds do not germinate, it may be wise to acquire fresh seeds.

VI. Determining The Planting Depth And Spacing

The planting depth and spacing of corn seeds are crucial factors for proper growth and development. Here’s how to determine the appropriate depth and spacing for your corn plants:

  1. Soil preparation: Before planting, prepare the soil by removing weeds and loosening it with a garden fork or tiller. Corn plants prefer fertile, well-drained soil, so adding organic matter such as compost or well-rotted manure can improve the soil structure and nutrient content.

  2. Planting depth: The planting depth for corn seeds can vary depending on soil moisture and temperature. As a general guideline, plant the seeds at a depth of 1 to 2 inches (2.5 to 5 cm). In cooler soil, aim for the shallower end of the range, while in warmer soil, plant them slightly deeper.

  3. Row spacing: The spacing between rows will depend on the variety you are growing and the available space in your garden. For most varieties, aim for a row spacing of 30 to 36 inches (76 to 91 cm). This allows for adequate air circulation and sunlight penetration between the plants.

  4. Plant spacing: Corn plants should be spaced at regular intervals within the row. Aim for a spacing of 8 to 12 inches (20 to 30 cm) between plants. This will provide enough space for the plants to grow and develop their ears of corn without overcrowding.

VII. Planting The Corn Seeds

With your seeds prepared and the planting depth and spacing determined, it’s time to start planting the corn seeds. Follow these steps to ensure successful planting:

  1. Timing: The optimal time to plant corn seeds is when the soil temperature reaches around 50 to 55°F (10 to 13°C). This is usually a few weeks after the last frost date in your area. Planting too early in cold soil can result in poor germination and stunted growth.

  2. Planting technique: There are several planting techniques you can choose from, depending on your preferences and gardening methods:

    a. Direct seeding: This is the most common method of planting corn. Using a garden hoe or trowel, create a furrow or trench in the prepared soil. Place the seeds in the furrow, spacing them according to the guidelines mentioned earlier. Cover the seeds with soil, firm it gently, and water the area.

    b. Raised beds: If you prefer to garden in raised beds, you can create mounds or raised rows for planting corn. Form the mounds or rows and plant the seeds in the same way as direct seeding.

    c. Container gardening: Corn can also be grown in containers, although this may not be suitable for larger varieties. Choose a deep container with a drainage hole and fill it with a quality potting mix. Plant the seeds at the recommended spacing and depth, and place the container in a sunny location.

  3. Watering: After planting the seeds, water the soil gently but thoroughly. Ensure that the soil remains consistently moist, but not waterlogged, throughout the germination and growth process. Adequate moisture is essential for optimal seed germination and healthy plant establishment.

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VIII. Watering Techniques For Young Corn Plants

Proper watering techniques are crucial for the healthy growth of young corn plants. Here are some tips to ensure your corn plants receive adequate moisture:

  1. Irrigation schedule: Water the plants deeply and consistently, aiming for around 1 inch (2.5 cm) of water per week. In the absence of rainfall, supplement with irrigation to maintain adequate soil moisture.

  2. Watering method: For young corn plants, it’s best to water at the base of the plant rather than overhead. This helps prevent the spread of diseases and encourages the roots to grow deeper. Use a soaker hose or drip irrigation system for efficient and targeted watering.

  3. Mulching: Apply a layer of organic mulch, such as straw or wood chips, around the base of the plants. Mulching helps retain soil moisture, reduces weed growth, and regulates soil temperature. However, ensure that the mulch is not placed too close to the plant stems, as it can lead to rot and pest problems.

IX. Tips For Managing Weeds And Pests

To ensure healthy and productive corn plants, it’s important to manage weeds and pests effectively. Here are some tips to help you deal with these challenges:

  1. Weed control: Corn plants are sensitive to competition from weeds, especially during the early stages of growth. Regularly inspect the garden for weeds and remove them manually or use appropriate mulching techniques to suppress weed growth. Avoid using herbicides that may harm the corn plants.

  2. Pest management: Corn is susceptible to a range of pests, including corn borers, cutworms, aphids, and raccoons. Monitor your plants regularly for signs of pest infestation, such as holes in leaves, chewed stems, or wilting. Use organic pest control methods whenever possible, such as introducing beneficial insects, using row covers, or employing natural predators.

  3. Crop rotation: To prevent the buildup of pests and diseases in the soil, practice crop rotation. Avoid planting corn in the same location year after year. Instead, rotate it with crops from different families to disrupt pest life cycles and maintain soil health.

  4. Fertilization: Corn plants are heavy feeders and require ample nutrients for optimal growth. Apply a balanced fertilizer, rich in nitrogen, phosphorus, and potassium, when the plants are around 6 inches (15 cm) tall, and again just before they start tasseling. Follow the recommended application rates on the fertilizer package.

Planting corn from seed can be a rewarding experience, whether you’re a novice gardener or an experienced grower. By following the step-by-step process outlined in this article, you can ensure successful germination, healthy growth, and ultimately, a bountiful harvest of delicious corn. Remember to prepare your seeds properly, determine the appropriate planting depth and spacing, water your plants correctly, and implement effective weed and pest management techniques. With a little time and effort, you’ll be enjoying the taste of home-grown corn in no time.

I. Choosing The Right Variety Of Corn

Corn is one of the most popular and widely grown crops in the world. It is used not only for human consumption but also for animal feed, ethanol production, and many other purposes. Growing corn from seed is relatively easy, although it does require some careful attention and proper planning.

Before you start planting corn, you will need to choose the right variety to suit your growing conditions and needs. Different corn varieties have different maturity rates, yields, and disease resistance levels.

  • If you live in a northern climate with shorter growing seasons, choose a short-season corn variety that matures quickly.
  • If you are planting corn to feed livestock, choose a high-yielding variety with good stalk strength.
  • If you are growing corn for human consumption, choose a variety with large, sweet kernels.

You can find corn seed at most gardening supply stores, nurseries, and online retailers. Look for seed packets that provide detailed information about the variety, including the estimated time to maturity, recommended planting depth, and spacing requirements.

II. Timing Your Planting

Corn is a warm-season crop that requires warm soil temperatures to germinate and grow. The ideal soil temperature for planting corn is between 60-65 degrees Fahrenheit, although it can tolerate temperatures as low as 50 degrees F.

The timing of planting corn also depends on your location and climate.

  • If you live in a cooler climate, plant corn in late May or early June.
  • If you live in a warmer climate, plant corn in April or early May.

Planting too early or too late can result in poor germination rates and stunted growth. Planting corn when temperatures are too cold can stunt the growth of seedlings and increase the risk of disease.

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III. Soil Preparation

Corn requires well-draining soil that is rich in nutrients. To prepare the soil for planting corn:

  1. Remove all weeds and debris from the planting area.
  2. Loosen the soil to a depth of 6-8 inches using a garden fork or tiller.
  3. Mix in compost or well-rotted manure to enrich the soil.
  4. Create furrows or hills for planting. Furrows work best for flat areas, while hills work best for sloping areas.

IV. Planting Corn

Once the soil is prepared, it is time to plant the corn seeds.

  1. Plant corn seeds 1-2 inches deep in the soil.
  2. Space the seeds 8-12 inches apart.
  3. Plant corn in rows that are at least 2 feet apart.
  4. Cover the seeds with soil and gently firm the soil around the seeds.

Corn seeds will germinate within 7-10 days if the soil temperature is warm enough. If you have trouble with birds eating your corn seed, you can cover the seeds with a layer of row cover or netting until the seedlings emerge.

V. Caring For The Growing Corn Plants

Once the corn plants emerge from the soil, it is important to keep them healthy and growing strong.

  1. Water the plants regularly, especially during dry spells. Corn requires an inch of water per week.
  2. Fertilize the plants with a balanced fertilizer every 4-6 weeks.
  3. Mulch around the corn plants to retain moisture and suppress weeds.
  4. Monitor the plants for pests and diseases. Remove any affected plants immediately to prevent the spread of disease.
  5. As the plants grow taller, you may need to stake or tie them to prevent them from falling over in high winds.

VI. Recognizing When Corn Is Ready For Harvest

Corn matures in about 60-100 days, depending on the variety and growing conditions. To know when corn is ready to harvest:

  1. Check the ears of corn for the presence of silk. Silk is a sign that the kernels are developing.
  2. Peel back a portion of the husk to check the color of the kernels. The kernels should be plump and yellowish in color.
  3. Pierce a kernel with your fingernail. If it releases a milky white sap, it is ready for harvest.

VII. Harvesting And Storing Corn

When the corn is ready for harvest, it is important to pick it promptly to ensure the best flavor and texture.

  1. Grasp the ear of corn firmly and pull it downwards with a twisting motion.
  2. Husk the corn immediately after harvesting. This will prevent the kernels from drying out and losing flavor.
  3. Store the corn in the refrigerator for up to one week. For longer storage, blanch the corn in boiling water for 4-6 minutes, then freeze in an airtight container.

VIII. Troubleshooting Common Planting Issues And Solutions

Corn is generally an easy crop to grow, but it can still be susceptible to a variety of pests and diseases. Here are some common issues and their solutions:

  • Poor germination: Ensure that the soil temperature is warm enough and that the soil is well-draining.
  • Birds eating seedlings: Cover the seeds with row cover or netting until the seedlings emerge.
  • Stunted growth: Ensure that the soil is well-fertilized and that the plants receive adequate moisture.
  • Corn earworm: Remove any infected ears of corn and apply a biological or organic pesticide.
  • Corn smut fungus: Remove any infected plants and burn them. Rotate the planting area to prevent the fungus from returning.
  • Poor yield: Ensure that the plants are receiving adequate water and nutrients. Plant a high-yielding variety of corn.


Growing corn from seed can be rewarding and satisfying. With proper planning and care, you can enjoy a bountiful harvest of delicious, sweet corn. Remember to select the right variety, prepare the soil properly, and care for the plants throughout the growing season. By following these steps, you can cultivate healthy, vigorous corn plants that will provide you with an abundant crop year after year.


What Is The Best Time Of Year To Plant Corn From Seed?

Corn should be planted in the early to mid-spring, after the last frost has passed and soil temperatures have warmed to at least 60°F.

How Do I Prepare The Soil For Planting Corn?

First, choose a location with plenty of sunlight and well-draining soil. Then, till the soil to a depth of 8-10 inches, removing any rocks or debris. Test the pH of the soil and adjust as necessary to range between 6.0-6.8. Finally, add a layer of compost or aged manure to enrich the soil.

What Is The Recommended Spacing For Planting Corn Seeds?

Corn should be planted in rows spaced 30-36 inches apart with 10-12 inches between each seed. This allows enough room for the plants to grow and for pollination to occur.

How Deep Should I Plant Corn Seeds?

Plant corn seeds 1-2 inches deep in the soil, making sure the soil is firmly packed around the seed to ensure good germination.

How Do I Care For Corn Plants Once They Have Germinated?

Keep the soil moist but not waterlogged, and weed the areas around the plants regularly. Once the plants have reached a height of 12-18 inches, side dress them with nitrogen fertilizer. Corn is a heavy feeder and requires plenty of nutrients to produce a good yield.