How to grow Watermelons tree

Watermelons are delicious and refreshing fruits that are perfect for hot summer days. With their juicy red flesh and sweet taste, watermelons are a favorite among many people. If you want to grow your own watermelons, you’re in for a treat. In this guide, we will take you through the step-by-step process of growing watermelons successfully. From choosing the right variety to caring for your plants, we’ll cover all the essential aspects to help you grow juicy and flavorful watermelons in your own backyard.

Choosing the Right Watermelon Variety

The first step in growing watermelons is to select the right variety for your climate and growing conditions. Consider factors such as the average temperature in your area, the number of frost-free days, and the size of your garden. Some popular watermelon varieties include “Crimson Sweet,” “Sugar Baby,” and “Black Diamond.” Research and choose a variety that suits your preferences and growing conditions.

Preparing the Soil

Watermelons thrive in well-draining soil that is rich in organic matter. Before planting, prepare the soil by removing any weeds or grass and loosening it with a garden fork or tiller. Add compost or well-rotted manure to improve the soil’s fertility and structure. Conduct a soil test to determine its pH level and make necessary amendments to achieve a slightly acidic pH of around 6.0-6.8.

Planting Watermelon Seeds

Watermelons can be grown from seeds or transplants. If you choose to start from seeds, sow them directly into the garden bed once the soil has warmed up and all frost dangers have passed. Make sure the soil temperature is at least 70°F (21°C) for optimal germination. Create hills or mounds in the soil and plant 3-4 seeds per hill, spacing the hills 4-6 feet apart. Cover the seeds with about 1 inch of soil and water gently.

Providing Proper Watering

Watermelons have high water requirements, especially during their early growth and fruit development stages. Water deeply and consistently, ensuring that the soil is moist but not waterlogged. Provide about 1-2 inches of water per week, either through rainfall or irrigation. It’s best to water in the morning to allow foliage to dry before nighttime. Avoid overhead watering, as wet foliage can encourage diseases.

Mulching for Moisture Retention

Mulching is essential for watermelon plants, as it helps conserve soil moisture, suppresses weed growth, and maintains more consistent soil temperatures. After the seedlings have emerged, apply a layer of organic mulch, such as straw or wood chips, around the plants. This will help retain moisture in the soil, reduce weed competition, and improve overall plant health.

Fertilizing Watermelon Plants

Watermelon plants require regular fertilization to promote healthy growth and high fruit yields. Before planting, incorporate a balanced fertilizer or compost into the soil. Once the plants start growing, side-dress them with nitrogen-rich fertilizer every few weeks to support vine growth. Avoid over-fertilization, as excessive nitrogen can result in excessive foliage growth and fewer fruits.

Managing Pests and Diseases

Watermelons are susceptible to various pests and diseases that can hinder their growth and yield. Implementing proper pest and disease management practices is crucial to ensure a successful harvest. Here are some common pests and diseases that affect watermelons and how to manage them:



These small, soft-bodied insects can cluster on the undersides of leaves and cause stunted growth. Control aphids by spraying a solution of insecticidal soap or neem oil.

Squash Bugs

These pests feed on the leaves and stems of watermelon plants, causing wilting and plant decline. Handpick and destroy squash bugs or use organic insecticides as a last resort.

Cucumber Beetles

These beetles can transmit diseases and damage the foliage and fruit of watermelon plants. Place sticky traps or row covers to prevent cucumber beetle infestations.


Fusarium Wilt

This soilborne disease causes wilting, yellowing leaves, and eventual plant death. Plant disease-resistant varieties and rotate crops to manage fusarium wilt.

Powdery Mildew

This fungal disease appears as a white powdery coating on leaves, reducing photosynthesis and fruit production. Apply fungicides labeled for powdery mildew control, ensuring good air circulation around the plants.


This fungal disease causes dark, sunken lesions on leaves, stems, and fruit. Remove and destroy infected plant parts and apply copper-based fungicides to manage anthracnose.

Regularly monitor your watermelon plants for signs of pests and diseases. Early detection and prompt action can prevent severe damage and improve plant health.

Supporting the Vines

Watermelon vines can spread extensively, and supporting them properly ensures healthier plants and easier fruit maintenance. Use trellises, fences, or stakes to provide support and keep the vines off the ground. This helps prevent rotting, keeps the fruit clean, and allows for better air circulation, reducing the risk of diseases.

Pruning Watermelon Plants

Pruning watermelon plants helps control their growth, improves airflow, and enhances fruit quality. Here’s how to prune watermelon plants effectively:

  • Remove lateral branches that are growing close to the ground to prevent soil contact and reduce the risk of disease.
  • Pinch off any side shoots or suckers that develop in the leaf axils.
  • Trim excessive foliage to improve sunlight penetration and aid in fruit ripening.

Prune watermelon plants sparingly, focusing on maintaining a balance between foliage and fruit production.

Harvesting Watermelons

Proper timing of watermelon harvest is essential to ensure optimal flavor and sweetness. Here are some tips for harvesting watermelons:

  • Check the variety’s maturity days to estimate when the fruits should be ready for harvest.
  • Observe the fruit’s skin color; it should be dull or matte rather than shiny.
  • Thump the watermelon gently; a hollow sound indicates ripeness.
  • Examine the tendril closest to the fruit’s stem; if it has turned brown and dried up, the watermelon is likely ripe.
  • Use a sharp knife or garden shear to cut the watermelon from the vine, leaving a short stem attached.

Storing and Enjoying Your Watermelons

After harvesting, it’s important to store watermelons properly to maintain their flavor and freshness. Here’s how to store and enjoy your watermelons:

  • Keep whole, uncut watermelons in a cool, dry place, such as a basement or pantry, where temperatures range between 50-60°F (10-15°C).
  • Once cut, refrigerate watermelon slices or chunks in an airtight container for up to a week.
  • Watermelons can also be frozen for long-term storage. Cut the fruit into small pieces or make watermelon puree, and place them in freezer-safe containers or bags. Frozen watermelon can be used for making smoothies, sorbets, or refreshing drinks.
  • To enjoy your watermelon, start by washing the exterior thoroughly to remove any dirt or bacteria.
  • Cut the watermelon into slices or wedges, following your preference. Remove the seeds if desired.
  • Watermelons are delicious on their own, but you can also get creative by adding them to fruit salads, blending them into juices, or using them as a base for refreshing summer cocktails.
  • Watermelon pairs well with other fruits like berries, citrus, or mint for a burst of flavor.
  • For a fun and refreshing treat, try freezing watermelon slices and serving them as a healthy popsicle alternative.

Remember to wash your hands before handling watermelons, especially if you’ve been working in the garden or handling soil. Enjoy the juicy sweetness of your homegrown watermelons and share the bounty with family and friends.

Growing watermelons can be a rewarding and enjoyable experience. By choosing the right variety, preparing the soil, providing proper care, managing pests and diseases, and following the proper harvesting and storage techniques, you can successfully grow delicious and juicy watermelons in your own backyard. Remember to monitor your plants regularly, provide adequate water and nutrients, and take preventive measures to ensure healthy growth. With patience and proper care, you’ll be rewarded with a bountiful harvest of mouthwatering watermelons that will keep you refreshed during the hot summer months. So, roll up your sleeves, get your gardening tools ready, and start growing your own watermelons today!

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