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the wonderful world of weed tea: fermentation in the garden

I have always been fascinated by the world of composting and how it can greatly enhance the health and fertility of my garden soil. One aspect of composting that I have found particularly interesting is the process of fermentation, which can be used to create a powerful elixir known as weed tea.

Weed tea is a nutrient-rich liquid that is made by fermenting a combination of weeds, water, and other organic materials. This tea is a fantastic fertilizer for your plants and can help to improve soil health by introducing beneficial microorganisms.


To make a weed tea..

  1. Gather a bucket or large container, and select a variety of weeds (avoid any that have gone to seed) to add to the mixture.

  2. Fill the container with the selected weeds, breaking them up as needed to fit more in.

  3. Cover the weeds with water, leaving a few inches of space at the top to allow for bubbling and expansion during fermentation.

  4. Stir the mixture well to make sure the weeds are fully saturated with water.

  5. Cover the container with a breathable material, like a cloth or mesh, and secure it with a rubber band.

  6. Place the container in a warm, sunny spot where it will receive plenty of sunlight, and leave it to ferment for several days to a few weeks.

  7. Stir the mixture occasionally to promote fermentation and ensure all the weeds are being broken down evenly.

  8. Once the mixture is fully fermented, strain out the weeds and transfer the liquid to a clean container.

One of the great things about weed tea is that it's incredibly versatile. You can use it as a foliar spray to nourish the leaves of your plants, or you can apply it directly to the soil to improve soil health. Some gardeners even use it as a natural pest repellent, as the strong odor can keep pests at bay.


While the process of making weed tea may seem a bit unconventional, it's actually quite simple and can be a great way to put your garden waste to good use. By harnessing the power of fermentation, you can create a powerful fertilizer that will help your garden thrive.


While weed tea is a powerful and effective fertilizer for your garden, it's not the only type of liquid fertilizer or tea that you can use to enhance your plants' growth and health. Comfrey tea, for example, is another popular liquid fertilizer that is made from the leaves of the comfrey plant. Worm tea, made from vermicompost, is also a great option for adding nutrients and beneficial microorganisms to your garden soil. In addition, there are many other types of teas and liquid fertilizers that can be made from a variety of organic materials, such as seaweed, fish emulsion, and bone meal. Experimenting with different types of teas and liquid fertilizers can be a fun and rewarding way to discover what works best for your garden and to help your plants thrive.



At Grainger Landscapes and Gardening, we are passionate not only about helping our clients achieve beautiful, healthy gardens, but also about getting more people out into the garden! While there are many ways to improve soil health and fertility, we believe that weed tea is one of the most effective and sustainable options available. So why not give it a try next time you do some weeding and see the difference it can make in your own garden?

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