Want More Anthurium Blooms? Just Use Onion Slices for Explosive Growth (Page 2 ) | June 14, 2025

Onions contain a blend of nutrients and compounds that offer several benefits to plants:

• Sulfur compounds: These are naturally antifungal and antibacterial, protecting roots from rot and infections.

• Quercetin and antioxidants: These support plant immunity and reduce oxidative stress in the soil environment.

• Phosphorus and potassium: Both are key nutrients for flower formation and overall plant vigor.

• Calcium and magnesium: Promote strong root development and healthy green leaves.

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When introduced to the soil in small amounts, onion slices break down and enrich the growing medium. This mild, natural fertilization process boosts the health of the entire plant, resulting in more vibrant leaves and consistent blooming.

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How to Use Onion Slices for Anthuriums

There are two safe and simple methods to apply onion to your anthuriums: the buried slice method and onion water.

This method provides long-term, slow-release nutrition directly to the roots.

Instructions:

1. Cut a fresh onion into thin slices—about 1–2 cm thick.

This method provides long-term, slow-release nutrition directly to the roots.

Instructions:

1. Cut a fresh onion into thin slices—about 1–2 cm thick.

1. 1. Select one or two slices (you don’t need much).

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   2. Dig a small hole at the edge of your plant’s pot, away from the stem and roots.

   3. Place the onion slice in the hole and cover it with soil.

1. Water lightly and continue your normal care routine.

The onion slice will decompose over time, releasing its nutrients gently into the surrounding soil. You can repeat this process every 4–6 weeks during the growing season.

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Method 2: Make Onion Water

If you’d rather avoid solids in your potting mix, onion water is a great alternative.

What you’ll need:

• 1 small onion

• • 500 ml of water

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Instructions:

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