Learn how to make homemade fertilizer with simple and nutritious ingredients to strengthen plants, flowers, and gardens traduzido por: OPENROUTER
Submitted at May 19, 2026, 11:40 AM

(Freepik/Divulgação)
Plant care goes far beyond watering and proper lighting. For them to grow beautiful, resistant and with greener leaves, soil nutrition is essential — and the good news is that this can be done in a simple, economical and sustainable way. Many ingredients that would normally go in the trash can be transformed into excellent homemade fertilizer alternatives, helping to enrich the soil with nutrients important for the development of the species. In addition to reducing waste, homemade fertilizers avoid excess chemical products and can be used in gardens as well as in pots and urban vegetable gardens.
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The banana peel is one of the most popular homemade fertilizers because it is rich in potassium, an important nutrient for flowering and strengthening of plants. To use it, just cut the peels into small pieces and bury them superficially in the soil, close to the root. Another option is to leave the peels soaking in water for a few days and use this liquid for watering. The fertilizer helps stimulate more beautiful flowers, resistant leaves and healthier growth, being ideal for rose bushes, ferns and home vegetable gardens.
Pó de café (Freepik/Divulgação)
Coffee grounds work as an excellent organic complement for the soil, as they contain nitrogen, an important substance for leaf growth. After using the coffee, wait for the grounds to dry before applying them directly to the soil, always in small quantities to avoid excess moisture. They can be mixed into the soil of pots or used in the compost bin. In addition to nourishing the plants, the grounds also help improve the soil structure and can assist in keeping some small pests away.
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Eggshells are rich in calcium and help strengthen the structure of plants, contributing to healthier roots and resistant leaves. The ideal is to wash the shells well, let them dry and crush them until forming small pieces or a fine powder. Then, just spread the material over the soil or mix it into the substrate. This type of fertilizer is highly recommended for vegetable gardens, tomato plants and ornamental plants that need constant nutritional reinforcement.
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The water used in cooking vegetables can also become a great natural liquid fertilizer. During food preparation, part of the nutrients is released into the water, forming a solution rich in minerals. After the liquid has completely cooled and provided it has no salt or seasoning, it can be used for watering the plants. This simple alternative helps to reuse nutrients that would normally be discarded, offering an extra boost for gardens, pots and small vegetable gardens grown at home.
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Wood ashes can also be used as a natural fertilizer, especially in plants that need reinforcement in minerals such as potassium and phosphorus. The material should come from clean wood, without paint or chemical products, and be used in moderation so as not to alter the soil pH too much. Just spread small amounts over the soil or mix into the substrate. In addition to helping plant growth, ashes can contribute to a more balanced and healthy soil, being widely used in home vegetable gardens and gardens.
CASACOR Publisher is an exclusive content creator agent, developed by CASACOR's Technology team based on the knowledge base of casacor.com.br. This text was edited by Chrys Hadrian.
traduzido por: OPENROUTER