Clover Cover Crop

Have you ever wondered how to enhance the health and fertility of your soil while reducing erosion? Look no further than the Clover Cover Crop. This remarkable plant offers a double advantage, acting as both a protective blanket for the soil and a natural method to replenish nutrients. With its vibrant green leaves and delicate flowers, the Clover Cover Crop not only beautifies your garden but also provides a myriad of benefits for both your plants and the environment. Discover how this simple yet powerful solution can revolutionize your gardening experience and make a positive impact on our planet.

Clover Cover Crop

See the Clover Cover Crop in detail.

Benefits of Clover Cover Crop

Improves Soil Health

Clover cover crops have numerous benefits for soil health. One of the most significant advantages is their ability to fix nitrogen from the atmosphere and convert it into a form that can be easily utilized by plants. This process, known as nitrogen fixation, helps to fertilize the soil naturally and reduces the need for synthetic fertilizers. Additionally, clover cover crops improve soil structure, promoting better water infiltration and drainage. They also increase organic matter content, which enhances nutrient availability and microbial activity in the soil, leading to improved soil fertility.

Increases Nitrogen Levels

One of the key benefits of using clover cover crops is their ability to increase nitrogen levels in the soil. As mentioned earlier, clover plants have a unique capability called nitrogen fixation. They form a symbiotic relationship with nitrogen-fixing bacteria, which live in nodules on their roots. These bacteria convert atmospheric nitrogen into a form that plants can use, thereby increasing the nitrogen content in the soil. This nitrogen enrichment results in healthier and more vigorous growth of subsequent crops, leading to higher yields.

Suppresses Weeds

Clover cover crops act as a natural weed suppressant. They have an extensive root system that competes with weeds for water, nutrients, and space. By outcompeting weeds, clover cover crops help to reduce weed pressure in the field, minimizing the need for herbicides. Additionally, the dense canopy that clover plants create shades out weed seedlings, further preventing their growth. This natural weed suppression reduces the labor and costs associated with weed management and allows for cleaner and more productive fields.

Prevents Erosion

Another significant benefit of utilizing clover cover crops is their ability to prevent soil erosion. The dense and fibrous root systems of clover plants strongly bind the soil particles together, reducing the risk of erosion caused by wind and water. This is especially crucial in sloped fields where erosion can be a major concern. By retaining soil in place, clover cover crops help to maintain soil structure, prevent nutrient runoff, and preserve the overall integrity of the land.

Types of Clover Cover Crops

Red Clover

Red clover (Trifolium pratense) is a widely used cover crop known for its nitrogen-fixing ability and versatility. It grows well in a variety of soil types and tolerates a range of climatic conditions. Red clover is a biennial plant, meaning it usually lives for two years. It produces beautiful pink to red flowers which attract pollinators, making it an excellent choice for beekeepers.

White Clover

White clover (Trifolium repens) is a low-growing perennial cover crop that forms a dense mat of foliage. It is highly adaptable and can thrive in various soil conditions, including sandy or poorly drained soils. White clover provides excellent ground cover and is beneficial for erosion control. It is often used in pasture systems as it has good tolerance to close grazing and is highly nutritious for livestock.

Crimson Clover

Crimson clover (Trifolium incarnatum) is an annual clover cover crop that is valued for its ability to fix nitrogen quickly. It has vibrant red flowers that add a splash of color to the field. Crimson clover adapts well to different soil types but thrives in well-drained soils. It is often used in organic farming systems, as its dense growth helps to suppress weeds and increase soil fertility.

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Alsike Clover

Alsike clover (Trifolium hybridum) is a perennial clover cover crop that combines the characteristics of red and white clover. It has excellent winter hardiness and tolerance to wet soils, making it suitable for areas with colder and moister climates. Alsike clover is ideal for improving soil structure and providing animal forage, as it has a good balance of productivity and persistence.

How to Plant Clover Cover Crops

Selecting the Right Clover Variety

Before planting clover cover crops, it is crucial to select the appropriate variety based on your specific goals and growing conditions. Consider factors such as winter hardiness, soil moisture requirements, and compatibility with other crops in your rotation. Consult with local agricultural extension offices or trusted seed suppliers to ensure you choose the right clover variety for your needs.

Preparing the Soil

To prepare the soil for planting clover cover crops, start by removing any existing vegetation or weeds. Till the soil to break up clumps and remove debris. Conduct a soil test to determine nutrient levels and pH. Adjust the soil pH if needed by adding lime or sulfur according to the test recommendations. Incorporate organic matter, such as compost or well-rotted manure, to improve soil fertility and structure. Rake the soil smooth and level for optimal seed-to-soil contact.

Seeding Methods

Clover cover crops can be planted using different methods, including broadcast seeding, drill seeding, or aerial seeding. Broadcasting involves scattering the seeds by hand or using a spreader, followed by lightly raking or rolling the soil to cover the seeds. Drill seeding is a more precise method that uses a seed drill to place the seeds at a specific depth and spacing. Aerial seeding, often used for large fields, involves applying the seeds from an aircraft. Choose the method that suits your field size and equipment availability.

Maintenance and Care

After planting clover cover crops, it is crucial to provide proper maintenance and care for their successful establishment and growth. Monitor soil moisture levels and provide irrigation if necessary, especially during dry spells. Keep the area free from weeds by manual removal or using herbicides that are compatible with clover. Avoid overgrazing if clover is being utilized as livestock forage, as it may hinder the growth and longevity of the crop. Regularly monitor for pests and diseases and take appropriate actions, such as applying organic or chemical controls if necessary.

Best Time to Plant Clover Cover Crops

Fall Planting

Fall is generally the best time to plant clover cover crops in many regions. The mild temperatures and ample moisture create favorable conditions for germination and establishment. Planting clover in late summer or early fall allows the plants to establish a strong root system before winter, ensuring their survival and growth. Fall-planted clover cover crops also help to prevent soil erosion during the winter months and provide early spring nitrogen for subsequent crops.

Spring Planting

In regions with cold winters or where the fall planting window was missed, spring planting of clover cover crops is an alternative option. As soon as the soil can be worked and the danger of frost has passed, typically in early spring, clover seeds can be sown. Spring-planted clover cover crops offer similar benefits to fall-planted ones, although their growth and nitrogen fixation may be slightly delayed. They still contribute to improved soil health, weed suppression, erosion prevention, and increased nitrogen availability for following crops.

Suitable Growing Conditions for Clover Cover Crops

Sunlight Requirements

Most clover cover crops thrive in full sun but can tolerate partial shade, especially in regions with hot summers. Adequate sunlight is essential for their photosynthetic activity and overall growth. Plant clover cover crops in areas that receive at least 6 hours of direct sunlight per day for optimal performance.

Soil Quality

Clover cover crops can grow in a wide range of soil types, but they prefer well-drained, fertile soils. Sandy or loamy soils with a pH between 6.0 and 7.0 are generally ideal. Conduct a soil test to establish nutrient levels and amendments required for optimal growth. If the soil is compacted, consider improving its structure through tilling and incorporating organic matter.

Moisture Needs

Clover cover crops have moderate water requirements. They perform best in soils that are consistently moist but not waterlogged or drought-prone. Adequate soil moisture is crucial during the establishment stage for successful germination and root development. Monitor soil moisture levels and provide irrigation if necessary, especially during dry periods.

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Temperature Tolerance

Different clover varieties have varying temperature tolerances, but most can withstand a wide range of temperatures. However, extreme heat or cold conditions may affect their growth. Avoid planting clover cover crops during periods of extreme temperature fluctuations to give them the best chance of successful establishment and growth.

Clover Cover Crop in Crop Rotation

Benefits for Other Crops

Incorporating clover cover crops in crop rotation provides numerous benefits to other crops in the rotation sequence. One of the most significant advantages is the increased availability of nitrogen in the soil. Clover cover crops fix atmospheric nitrogen, which becomes readily available to subsequent crops, reducing the need for synthetic nitrogen fertilizers. Higher nitrogen levels promote healthier plant growth, improve crop yield and quality, and contribute to overall soil fertility. Additionally, the weed suppression ability of clover cover crops helps to reduce competition between crops and weeds, leading to enhanced crop performance.

Timing in Crop Rotation

The timing of including clover cover crops in crop rotation depends on various factors, including the length of the crop rotation sequence, the desired benefits, and regional climate conditions. It is generally recommended to plant clover cover crops after cash crops, allowing them enough time to establish and grow before incorporating them back into the soil. For example, if a crop rotation sequence consists of corn followed by soybeans, clover cover crops can be planted after soybeans to provide nitrogen and weed suppression benefits before planting corn.

Recommended Clover Species

The choice of clover species for crop rotation depends on the specific goals and requirements of the rotation system. Red clover and white clover are popular choices for crop rotation due to their versatility and adaptability to various soil and climate conditions. Crimson clover is often used in shorter rotations or as a winter annual cover crop. Alsike clover is suitable for colder and moister regions and can be included in rotations involving hay or pasture systems. Consult with local agriculture experts or cooperative extension offices to determine the most suitable clover species for your crop rotation plan.

Livestock Grazing on Clover Cover Crops

Advantages of Livestock Grazing

Allowing livestock to graze on clover cover crops offers several advantages. Clover plants provide high-quality forage for animals, rich in protein and other essential nutrients. Livestock grazing on clover cover crops can save on feed costs and provide a more balanced diet. The dense growth of clover cover crops offers shade and shelter for animals, contributing to their well-being. Livestock grazing also helps to naturally terminate clover cover crops, turning them into valuable manure and assisting in the nutrient cycling process.

Proper Grazing Management

To ensure proper grazing management, it is crucial to set appropriate stocking rates and avoid overgrazing. Overgrazing can damage the root system of clover plants and inhibit their regrowth. Implement rotational grazing systems, where livestock are moved through different sections of the field, allowing clover cover crops adequate time for recovery between grazing cycles. Monitor forage availability and adjust stocking rates accordingly to maintain a healthy balance between livestock nutrition and sustainable clover cover crop production.

Avoiding Overgrazing

Overgrazing can have negative consequences for both clover cover crops and livestock. To avoid overgrazing, pay attention to the height and density of the clover plants. Avoid grazing when the clover plants are too short or weakened, as this can prevent their regrowth and reduce their productivity. Use temporary fencing or portable electric fencing to control the grazing area and prevent animals from overconsuming the clover stand. Proper management practices ensure a win-win situation for both clover cover crops and livestock.

Clover Cover Crop and Beekeeping

Attracting Pollinators

Clover cover crops are highly attractive to pollinators, especially bees. The vibrant flowers of different clover species produce nectar and pollen, which serve as an important food source for bees. By planting clover cover crops, you can provide a consistent and abundant forage resource for bees throughout their bloom period. This helps to support bee populations and contribute to the overall health of pollinators.

Providing Bee Forage

Clover cover crops are valuable sources of nectar and pollen for bees. Bees collect nectar from the flowers, which they convert into honey, their primary food source. Pollen is also collected by bees and used as a protein-rich food for their larvae. By planting clover cover crops, you can ensure that bees have access to nutritious forage, enhancing their honey production, and supporting their growth and reproduction.

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Promoting Biodiversity

Clover cover crops play a crucial role in promoting biodiversity. The flowers of clover plants attract various pollinators, including bees, butterflies, and other beneficial insects. By providing a diverse and abundant food source, clover cover crops help to maintain a healthy ecosystem. The presence of diverse pollinators also contributes to the overall health of the crops grown in the vicinity, as well as the surrounding natural habitats.

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Harvesting and Utilizing Clover Cover Crops

Forage Production

Clover cover crops can be harvested for forage production. The optimal time to harvest depends on the specific clover species and the intended use of the forage. Mow or cut the clover plants when they reach the desired height and have adequate maturity for maximum nutritional value. The harvested forage can be utilized as feed for livestock, either as fresh or dried hay. Proper harvesting techniques ensure a high-quality forage product and promote regrowth of the clover cover crop for subsequent uses.

Green Manure

Green manure refers to cover crops that are grown specifically for soil improvement. Clover cover crops are excellent choices for green manure due to their nitrogen-fixing ability and beneficial impact on soil health. To utilize clover as green manure, allow the plants to grow until they reach the flowering stage. Then, chop or mow the plants and incorporate them into the soil. The decaying clover plants release nitrogen and other nutrients, enriching the soil and enhancing its fertility.


Clover cover crops can also be used for mulching purposes. After allowing the clover plants to grow and establish, mow or cut them close to the ground. Spread the cut clover plants on the soil surface around the base of other plants, creating a protective layer of organic material. This mulching layer helps to retain soil moisture, suppress weed growth, regulate soil temperature, and gradually release nutrients as the plants decompose.

Seed Production

If you want to save seeds from your clover cover crops for future planting, it is essential to allow the plants to fully mature. As the clover plants approach maturity, they will produce seed heads. Allow these seed heads to dry completely on the plant before harvesting. Collect the seed heads and store them in a cool and dry place. Properly stored clover seeds can be used for subsequent plantings, ensuring a continuous supply of cover crops for soil improvement and other benefits.

Common Issues and Pests with Clover Cover Crops


Clover cover crops may be susceptible to certain diseases, although they are generally considered relatively disease-resistant. Common diseases that can affect clover plants include powdery mildew, root rot, and leaf spot. To minimize disease occurrence, ensure proper crop rotation and avoid excessive moisture levels in the soil. Implement good agricultural practices, such as timely irrigation, proper field sanitation, and use of disease-resistant varieties, to mitigate the risk of diseases affecting clover cover crops.

Weed Interference

While clover cover crops have natural weed suppressant properties, they may still face competition from weeds. It is essential to monitor the field regularly and promptly address any weed issues. Hand pulling or hoeing can be effective strategies for managing weeds in small areas. In larger fields, consider using appropriate herbicides that are labeled for use in clover crops. Always follow the herbicide label instructions carefully and ensure that the chosen herbicide is compatible with clover species and growth stage.

Insect Infestations

Clover cover crops may attract certain insect pests, such as aphids, weevils, or armyworms. Monitor the clover plants for signs of pest infestations, such as leaf damage, discoloration, or stunted growth. Early detection is crucial to prevent an infestation from spreading and causing significant damage. Insecticidal soaps or natural predator insects can be used as organic control methods. For severe infestations, chemical insecticides may be necessary, although their use should be approached judiciously, considering their potential impact on beneficial insects and the environment. Consult with local agricultural experts for specific insect management recommendations in your area.

In conclusion, clover cover crops offer numerous benefits for soil health, nitrogen enrichment, weed suppression, erosion prevention, and overall sustainability of agricultural systems. By selecting the right clover variety, properly preparing the soil, using appropriate seeding methods, and providing adequate maintenance and care, you can optimize the performance of clover cover crops. Whether planted in the fall or spring, clover cover crops contribute to improved soil conditions, support other crops in rotation, provide valuable forage for livestock and bees, and offer various options for harvesting and utilization. While clover cover crops may face certain challenges, such as diseases, weeds, and pests, proper management practices and timely interventions can help mitigate these issues. Consider incorporating clover cover crops into your farming practices to reap the numerous benefits they provide and contribute to a more sustainable and resilient agricultural system.

Learn more about the Clover Cover Crop here.