How to Grow Watermelons in Your Garden: A Comprehensive Guide (International Edition)
Discovering how to grow watermelons in your garden can be immensely satisfying, offering delicious, succulent fruit right at home. The process simply involves: Get the soil ready, sow the seeds, and take good care of your watermelon plants.

Key takeaways
- Watermelons grow best in loamy, sandy soils that drain well, maintaining a slightly acidic to neutral pH level between 6.0 and 7.5.
- They flourish in mild climates ranging from 20–30°C and an annual precipitation of 600–1,200 millimeters, necessitating additional watering to maintain adequate moisture levels.
- Selecting premium hybrid varieties such as Sweet Rose F1, Crimson Sweet, and Sugar Baby enhances both crop output and produce quality.
- The ideal time to plant is in February or March to ensure optimum development and profitable yields, with crops typically ready for harvest within 3–4 months.
- Manures such as cattle dung, DAP, and Polysulphate promote plant growth, whereas adequate irrigation and good soil drainage help avoid issues like splitting and hindered development.
Optimal soil type for growing watermelons
Watermelons flourish in loamy, sandy soils with excellent drainage. Conversely, they may have difficulty growing in heavy clay soil that doesn’t drain well. Moreover, these plants favor soil that is somewhat acidic to neutral. soil pH ranging between 6.0 and 7.5 .
Climate requirements for watermelon
Watermelons can thrive at elevations reaching up to 1,500 meters above sea level; however, lowlands are the most suitable regions for cultivation. This crop thrives in temperatures ranging from 20 and 30 degrees Celsius and annual precipitation ranging from 600 to 1,200 millimeters Irrigation is crucial for ensuring constant moisture levels.
Watermelon seed selection
To ensure a plentiful yield, selecting the appropriate type of seed is essential. Popular types of watermelons consist of Sweet Rose F1, Crimson Sweet, Sugar Baby, Kubwa F1, Zuri F1, and Sukari F1. Many farmers opt for hybrid seeds due to their superior fruit output. These seeds can typically be purchased from agricultural veterinarians' offices and agro-dealers' stores.
How to cultivate watermelons for novices

Watermelons flourish in regions with hot climates. When planting them, choose a location that receives ample sunlight and has soil that drains well. Below is a beginner’s guide on cultivating watermelons:
1. Select a site that gets plenty of sun exposure.
2. Ensure the ground where you will plant allows proper drainage.
3. Follow this step-by-step advice to successfully grow your own watermelons.
- The spacing between rows of space should be maintained at 3 to 6 feet, with each individual plant being placed 3 to 4 feet apart from one another.
- Create holes that are approximately two times deeper and wider than the root ball.
- Incorporate well-composted manure or organic compost into each planting hole.
- Put a sapling in each hole and carefully fill around the roots with dirt.
- Thoroughly water the young plants to assist them in acclimating.
- Maintain evenly moist soil without allowing it to become waterlogged; watermelons require approximately 1 inch of water each week, whether from rainfall or irrigation.
- You can help the plants by using a trellis or stakes to keep the fruit off the ground.
What is the optimal month for sowing watermelons?
Typically, the climate in March is favorable for growing melons, providing ideal conditions along with good market prospects if proper irrigation is available. Nonetheless, since water availability may pose a challenge, sowing seeds in February guarantees better financial returns. This timing helps avoid oversupply issues when harvesting occurs from April through May.
What is the growth period for watermelons?
Watermelons typically take 3 to 4 months To reach maturity post-planting, timing varies based on the specific type and surrounding conditions. Determining when a watermelon should be picked might pose challenges. Inspect the underside of the fruit for a patch that’s creamy or vividly yellow; presence of a white or light-green spot signifies it isn’t fully ripened yet.
Furthermore, inspect the curved tendril nearest to the melon on the vine; once it withers and becomes brown, the melon ought to be ripe. Following harvest, watermelons can remain fresh for slightly more than seven days at room temperature or approximately two weeks when kept in the refrigerator.

FAQs about watermelon farming
- To accelerate the growth of watermelons, maintain a steady watering schedule. Using drip irrigation or a soaker hose will yield the best outcomes.
- The growth of watermelons may have ceased due to dense or clay-rich soil with inadequate drainage.
- What type of fertilizer enhances the size of watermelons? Watermelon size and quality can be improved using Polysulphate fertilizer.
- Yes, cow manure can be beneficial for watermelons. Research indicates that both cattle manure and synthetic fertilizers enhance the quality of watermelon produce.
- What causes watermelons to split during growth? Watermelons may split as they grow due to inconsistent watering practices, often resulting from an abundance of water.
- Yes, DAP fertilizer is beneficial for growing watermelons. This type of fertilizer is favored due to its high phosphorus content, which aids in robust root growth.
- To accelerate watermelon growth, you can plant them on small mounds or raised beds. This hilling technique enhances germination, boosts rapid development, and improves soil drainage.
Final word
To ensure a bountiful yield when planting watermelons, it’s crucial to follow the correct procedures. This includes choosing a spot that receives ample sunlight and has good drainage, as well as keeping the soil consistently moist throughout the growth period. These tips serve as a robust guide whether you’re new to farming or a seasoned pro, setting you up nicely for success with your crop.
The .co.ke website has featured an article on tomato farming in Kenya. The country offers a perfect setting for cultivating tomatoes throughout the year. These fruits are essential in Kenyan cooking, commonly utilized in numerous recipes and condiments.
Tomato farming supports local livelihoods and boosts income through domestic and export markets. If you may be interested in tomato farming, check out this article for a proper guide.