Homemade Fertilizers for Thriving Container Sweet Potato Growth

Growing sweet potatoes in containers can be a rewarding experience, especially if you have limited garden space or poor soil quality. However, to ensure your container sweet potatoes thrive and produce bountiful yields, it’s essential to provide them with the right nutrients. While commercial fertilizers are readily available, homemade fertilizers can be just as effective and more environmentally friendly. In this article, we’ll explore some homemade fertilizer options to promote healthy and robust container sweet potato growth.

The Importance of Proper Nutrition for Container Sweet Potatoes

Sweet potatoes (Ipomoea batatas) are nutrient-demanding plants that require a balanced diet to produce large, flavorful tubers. When grown in containers, their nutrient requirements become even more critical because the limited space restricts their access to nutrients naturally found in the ground. By providing the right homemade fertilizers, you can address these needs and support optimal growth.

1. Compost

Compost is often referred to as “black gold” in gardening circles due to its rich nutrient content and ability to improve soil structure. When growing sweet potatoes in containers, mixing compost into the potting soil can provide a solid foundation of nutrients. Compost supplies essential macronutrients like nitrogen, phosphorus, and potassium, as well as a plethora of micronutrients.

To make compost at home, collect kitchen scraps, yard waste, and other organic materials like leaves and grass clippings. Compost bins or piles allow these materials to decompose over time, creating nutrient-rich humus. Once your compost is ready, mix it into your potting soil or apply it as a top dressing throughout the growing season.

2. Banana Peels

Banana peels are a valuable source of potassium, a nutrient essential for sweet potato growth and tuber development. Potassium aids in root development, disease resistance, and overall plant vigor. To use banana peels as a homemade fertilizer, simply dry them out and grind them into a powder. Sprinkle this powder around the base of your sweet potato plants or mix it into the soil.

3. Epsom Salt Solution

Epsom salt, chemically known as magnesium sulfate, provides magnesium and sulfur, both of which are crucial for sweet potato plants. Magnesium is essential for photosynthesis and chlorophyll production, while sulfur aids in amino acid formation and enzyme activation.

To create an Epsom salt solution, dissolve 2 tablespoons of Epsom salt in 1 gallon of water. Use this solution to water your container sweet potatoes once a month during the growing season. Be careful not to overuse it, as excessive magnesium can interfere with the uptake of other nutrients.

4. Fish Emulsion

Fish emulsion is a fantastic organic fertilizer rich in nitrogen, an essential element for lush foliage growth. Nitrogen encourages the development of healthy leaves, which are crucial for sweet potato plants as they capture sunlight for photosynthesis.

To use fish emulsion, dilute it according to the manufacturer’s instructions and apply it as a foliar spray or directly to the soil around your container sweet potatoes. It’s an excellent choice for a quick nutrient boost during the growing season.

5. Eggshell Powder

Eggshells are a great source of calcium, which is important for sweet potato development. Calcium strengthens cell walls, reduces the risk of disease, and promotes overall plant vigor.

To create eggshell powder, collect and clean eggshells, then grind them into a fine powder using a blender or mortar and pestle. Sprinkle this powder on the soil surface around your sweet potato plants to provide a slow-release source of calcium.


Growing sweet potatoes in containers can be a satisfying endeavor, and the right homemade fertilizers can help you achieve thriving and bountiful harvests. By incorporating compost, banana peels, Epsom salt solution, fish emulsion, and eggshell powder into your gardening routine, you can provide your container sweet potatoes with the essential nutrients they need to flourish. Remember to monitor your plants’ growth and adjust your fertilizer applications accordingly to ensure they receive the best care throughout the growing season. With a little attention and the right homemade fertilizers, your container sweet potatoes will reward you with delicious, homegrown tubers.

Do you like this? Share inspiration with your friends!

Credit: Og Oasis

Back to top button