How to Make Comfrey Liquid Fertilizer – A Natural Garden Boost

Comfrey liquid fertilizer is a powerful, all-natural plant food rich in potassium, phosphorus, and nitrogen, making it perfect for vegetables, fruiting plants, and flowers. It’s easy to make and helps your plants thrive with organic nutrients from fresh comfrey leaves.

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What You’ll Need

✔ Fresh comfrey leaves (or dried if fresh is unavailable)
✔ A large container or bucket
✔ Water
✔ A lid or cloth to cover the container

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Step-by-Step Guide to Making Comfrey Fertilizer

1. Harvest the Leaves

✔ Pick young, green comfrey leaves for the highest nutrient content.
✔ You’ll need 2-3 handfuls of leaves per gallon of fertilizer.

2. Chop the Leaves

✔ Cut or shred the comfrey leaves into small pieces to help release nutrients more effectively.

3. Fill the Container

✔ Place the chopped leaves into a bucket or large container (a 5-gallon bucket is ideal).

4. Add Water

✔ Pour water over the leaves until they’re fully submerged.
✔ The water will extract nutrients from the comfrey leaves over time.

5. Cover & Steep

✔ Cover the bucket with a lid or cloth to keep debris out.
✔ Let the mixture steep for 2-3 weeks, stirring every few days.

6. Strain the Mixture

✔ Once steeped, strain out the leaves using a fine mesh strainer or cloth, leaving behind a dark, nutrient-rich liquid.

7. Dilute & Apply

✔ Dilute the concentrated comfrey fertilizer with water (1 part comfrey tea to 5 parts water).
✔ Apply it directly to the soil or base of plants for a natural nutrient boost.

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Why This Works

Comfrey is a dynamic accumulator, meaning it pulls essential minerals from deep within the soil. The resulting liquid is packed with:

✔ Potassium – Encourages flowering and fruit production
✔ Phosphorus – Strengthens roots and plant structure
✔ Nitrogen – Supports leaf and stem growth

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Best Plants to Use It On

✔ Tomatoes, peppers, cucumbers (fruiting plants)
✔ Leafy greens (lettuce, spinach, kale)
✔ Flowers and ornamental plants
✔ Indoor plants (in smaller amounts)

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Bonus Tip

Comfrey fertilizer has a strong smell as it ferments, so store it outdoors or in a ventilated area.

By following these simple steps, you’ll have a homemade, nutrient-rich fertilizer that’s organic, free, and great for your garden. Give your plants the boost they need with comfrey liquid fertilizer!