Don’t Throw Away Old Sponges: “They’re Worth Their Weight in Gold” | I Still Use Them Like This in the Garden (Page 2 ) | June 26, 2025

Then follow these steps:

Preparing the mix:

In a bag: Add the desired amount of soil to a large bag or container.

Mix it all together: Stir the cut sponge pieces into the soil. Mix well to ensure the sponges are evenly distributed throughout the soil.

Using in pots:

Add a little soil: Place a layer of soil in the bottom of the pot.

Add a layer of your new mix: Add a layer of your soil-sponge mix on top of the first layer of soil.

Repeat as necessary to fill the pot, alternating layers of soil and soil-sponge mix.

This process maximizes the benefits of the sponges in the soil, improving moisture retention and aeration, while ensuring a healthy environment for your plants’ roots.

The Benefits of Using Sponges in Gardening

Retain soil moisture

Improve soil aeration

Recycle household waste

Reduce water consumption

Promote healthy root growth

By giving your old sponges a second life in the garden, you’re doing both your plants and the planet a favor!

Next: How to Make an Automatic Vegetable Waterer Using a Bottle

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