Home Vegetables Butternut Butternut Farming in Kenya: Tips for A Successful Harvest

Butternut Farming in Kenya: Tips for A Successful Harvest


Butternut is a popular winter squash that has a sweet, nutty taste and a creamy texture. It is a great source of fiber, vitamins, and minerals, making it a nutritious addition to any diet. Butternut farming in Kenya is becoming an increasingly popular crop due to its high yield and nutritional value.

Butternut can be grown in a variety of soils and climates, making it a versatile crop that can be grown in different parts of the country. It requires well-drained soil and plenty of sunlight to grow properly. Farmers can start growing butternut from seeds, which can be obtained from local seed suppliers or online.

One of the advantages of growing butternut in Kenya is that it is a relatively low-maintenance crop. It requires minimal fertilization and pest control, making it a cost-effective crop for small-scale farmers. Additionally, butternut has a long shelf life, which means that farmers can store it for several months after harvest and sell it when prices are favorable.

Climate and Soil Requirements

Butternut squash is a warm-season crop that prefers a warm, sunny, and well-drained location. It is best grown in areas with a temperature range of 18-30°C. The ideal temperature for growth and fruit development is between 21-27°C. The plant is sensitive to frost and cannot tolerate temperatures below 15°C. Therefore, it is advisable to plant butternut squash after the last frost date.

Butternut squash grows best in well-drained soils with a pH range of 6.0-7.0. The soil should be rich in organic matter, and the garden bed should be prepared by digging in compost or well-rotted manure before planting. The crop does not do well in heavy clay soils or waterlogged soils, which can cause root rot and stunted growth.

It is also important to note that butternut squash requires a lot of space to grow. The plants can spread up to 10 feet, and each plant should be given at least 3 feet of space on all sides to ensure proper air circulation and reduce the risk of diseases.

Here are some key climate and soil requirements for growing butternut squash in Kenya:

  • Warm, sunny location with a temperature range of 18-30°C
  • Well-drained soil with a pH range of 6.0-7.0
  • Rich in organic matter
  • Avoid heavy clay soils and waterlogged soils
  • Plant after the last frost date
  • Give each plant at least 3 feet of space on all sides

By following these guidelines, farmers in Kenya can successfully grow butternut squash and enjoy a bountiful harvest.

Seed Selection and Planting

Choosing the right butternut seeds is crucial for a successful harvest. Look for seeds that are specifically suited for the Kenyan climate and soil conditions. The seeds should be fresh, healthy, and free from any diseases or pests.

Before planting, it’s important to prepare the soil properly. Butternut requires well-draining soil with a pH of 6.0 to 7.5. The soil should be rich in organic matter and nutrients. Add compost or well-rotted manure to the soil to improve its fertility.

Plant the seeds in rows or hills, with a spacing of 2 to 3 feet between plants. Make sure the soil is moist but not waterlogged. Cover the seeds with a light layer of soil and water gently.

Butternut seeds germinate in about 5 to 10 days, depending on the temperature and moisture level. Once the seedlings have emerged, thin them to one plant per hill or 2 to 3 feet apart in rows.

It’s important to keep the plants well-watered and weed-free. Mulching around the plants can help conserve moisture and suppress weeds. Fertilize the plants with a balanced fertilizer once a month to ensure healthy growth and development.

By following these simple steps, you can grow healthy and delicious butternut squash in Kenya.

Fertilization and Irrigation

Butternut is a heavy feeder and requires a lot of nutrients to grow well. It is recommended that you apply fertilizer at planting and during the growing season. The best fertilizer for butternut is a balanced, slow-release fertilizer with a ratio of 10-10-10 or 20-20-20. You can also use organic fertilizers like compost or well-rotted manure.

When applying fertilizer, it is important to follow the manufacturer’s instructions and not to over-fertilize. Over-fertilization can lead to excessive vegetative growth and reduced fruit yield. It is also important to apply fertilizer evenly to avoid burning the plants.

Butternut requires regular irrigation to grow well. The amount of water required depends on the soil type, climate, and stage of growth. During the early stages of growth, the plants require more water to establish a strong root system. As the plants mature, they require less water.

It is important to water the plants deeply and evenly to encourage deep root growth. Shallow watering can lead to shallow root growth and reduced plant vigor. The best time to water butternut is in the morning or evening when the temperature is cooler and the water is less likely to evaporate.

It is also important to avoid over-watering as this can lead to root rot and other fungal diseases. To prevent over-watering, you can use a moisture meter to monitor the soil moisture level or check the soil moisture by inserting your finger into the soil.


Pest and Disease Management

Butternut squash is susceptible to several pests and diseases. Here are some common ones and how to manage them:


Squash Bug: These bugs can cause severe damage to butternut plants by sucking sap from the leaves and stems. To control them, regularly inspect your plants and remove any eggs or bugs you find. You can also use insecticidal soap or neem oil to deter them.

Vine Borer: These pests lay their eggs at the base of the plant, and the larvae bore into the stem, causing the plant to wilt and die. To prevent them, cover the base of the plant with a mound of soil or aluminum foil. If you see wilting, cut open the stem and remove the larvae.


Powdery Mildew: This fungal disease appears as a white powder on the leaves and can stunt the growth of the plant. To prevent it, ensure good air circulation around the plant and avoid overhead watering. You can also use a fungicide if necessary.

Downy Mildew: This disease causes yellowing and wilting of the leaves and can spread quickly in wet conditions. To prevent it, avoid watering the leaves and remove any infected plants immediately. You can also use a fungicide to control the disease.

Anthracnose: This fungal disease causes dark spots on the leaves and can lead to plant death. To prevent it, avoid overhead watering and ensure good air circulation. You can also use a fungicide to control the disease.

Harvesting and Storage

Once the butternut squash reaches maturity, it’s time to harvest it. The average time for butternut squash to mature is 80 to 100 days after planting. The squash should be a uniform tan color and the skin should be hard and difficult to pierce with your fingernail. The stem should be brown and dry.

When harvesting, use a sharp knife or pruning shears to cut the stem about 1 inch above the fruit. Be careful not to damage the fruit or leave too long of a stem, which can lead to rotting.

After harvesting, the butternut squash should be cured for a week or two in a warm, dry place with good ventilation. This will help the skin harden and protect the fruit from decay. After curing, the squash should be stored in a cool, dry place with good ventilation. The ideal temperature for storage is between 50 and 55 degrees Fahrenheit with a humidity of 60 to 70 percent.

It’s important to regularly check the stored squash for any signs of decay or mold. If you notice any soft spots or mold, remove the affected squash immediately to prevent it from spreading.

With proper harvesting and storage techniques, you can enjoy your butternut squash for up to six months after harvest.

Also Read: Pumpkin Farming In Kenya 

Sources: Isaboke, Hezron N., et al. “Determinants of adoption of butternut squash (Cucurbita moschata) farming among small-holders in Suba district, Kenya.” (2012). Link: http://www.repository.embuni.ac.ke/handle/123456789/519

Nyambura, M., et al. “Impact of Soil Salinity on Growth of two Butternut Squash (Cucurbita Moschata l. Mellonia) Varieties in Mwea, kenya.” International Journal of Plant, Animal and Environmental Sciences 12.2 (2022): 105-114. Link: https://fortuneonline.org/articles/effects-of-soil-salinity-on-growth-of-two-butternut-squash-cucurbita-moschata-l-mellonia-varieties-in-mwea-kenya.html

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John Kamau is a highly experienced agriculture expert based in Kenya. He holds a degree in Agriculture from the University of Nairobi and has over 15 years of experience in the field. Throughout his career, John has been committed to promoting sustainable agriculture practices in Kenya. He has worked with small-scale farmers in rural communities to improve their crop yields, implement irrigation systems, and adopt environmentally friendly farming practices. John is also an expert in the use of technology in agriculture. He has worked with organizations to develop mobile applications that help farmers access information about weather patterns, market prices, and best practices for crop management. In addition to his work in Kenya, John has also been involved in agricultural projects in other African countries, including Tanzania and Uganda. He has served as a consultant for the United Nations Food and Agriculture Organization and has been recognized for his work with numerous awards.


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