Onion peels are an often-overlooked natural resource that can help promote healthy plant growth and blooming, all while being 100% organic and free of charge. This simple yet effective method provides a cost-free way to nourish your plants, boost their growth, and enhance the fertility of the soil.
Why Onion Peels are Beneficial for Plants
Onion peels are packed with essential nutrients, including:
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Phosphorus: Crucial for root development and flower production.
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Potassium: Supports plant health and helps in the formation of flowers and fruits.
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Iron and Zinc: Important for chlorophyll production and boosting plant immunity.
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Vitamins: Enhance plant metabolism and overall energy production.
These nutrients improve soil fertility, encourage strong plant growth, and promote vibrant flowers. Onion peels also support soil microbiota, creating a healthier growing environment.
How to Prepare Onion Peel Fertilizer
Materials:
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Onion peels (any variety: yellow, red, or white)
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1 liter (4 cups) of room-temperature water (preferably non-chlorinated)
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A container for soaking
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A strainer
Instructions:
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Prepare the water solution: Fill a container with 1 liter of room-temperature water. If possible, let the water sit 48 hours to reduce chlorine.
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Add onion peels: Place a generous handful of onion peels into the water, fully submerging them.
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Soak the peels: Leave them for about 24 hours. The water will turn orange or yellow as nutrients are released.
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Strain the liquid: Remove the onion peels, leaving only the nutrient-rich water.
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Apply to plants: Pour the solution directly around the base of plants so it soaks into the soil.
How to Use Onion Peel Fertilizer
This fertilizer works well for many plants:
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Flowering plants (Anthurium, peace lilies) – encourages more blooms.
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Cacti and succulents – improves soil fertility and strengthens roots.
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Orchids, desert roses, and houseplants – supports vigorous growth and healthy foliage.
How Often to Apply
see continuation on next page
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