Before you throw your banana skins into the compost bin why not make some Banana Tea Fertiliser for your plants.
Banana skins are packed full of nutrients, such as potassium, phosphorus, and Magnesium, and when used as a fertiliser can help improve overall plant strength, stronger root development and more fruit and flowers.
Banana tea is a great way to help keep your plants strong and healthy but it wont supply all the nutrients your plants need so should be used with a good natural compost, and of your you can make your own DIY natural compost.

How to make Natural Banana Tea Fertiliser
Banana Tea Fertiliser is very simple to make:
You’ll Need
- Glass Jar with Lid
- Banana Skins / Peel
- Cooled boiled water
How To:
- Place your banana skins in the jar
- Cover the skins with water
- Place the lid on the jar
- Leave for 1 to 2 weeks, preferably in a dark place
- When the liquid has turned dark strain the banana tea into another container. Use a fine sieve to strain the tea and make sure there no pieces of fruit in the liquid.
- Now you can pop your used banana skins into your compost.
- Dilute the “tea” 1 part banana tea to 4 parts water and use to water your plants once a week with the solution.


Which Plants is Banana Tea Fertiliser Good For?
You can use your banana tea fertiliser on any plants but it’s especially good for vegetables and flowering plants such as.
- Tomatoes
- Corgetttes
- Peppers
- Redcurrant
- Blackcurrent
- Fruit Trees
- Roses
- Ferns

More Sustainable Gardening Tips
Making your own DIY fertiliser and compost is a great way to being a more sustainable gardener.
And, here are a few more things that you can do to become a “greener” gardener:
- Make your own compost
- Reuse old loo rolls as seed pots
- Reduce water consumption, use a water butt to collect rain
- Use old bamboo toothbrush handles as plant labels / markers
- Reuse items you already have
- Invest in long lasting, good quality tools or buy pre-loved
- Collect your own seeds and store for next season
If you want to find out more ways you can be more sustainable in the garden check out my Top Tips for Zero Waste Gardening