Can green tea extract be used to act as an insecticide for houseplants?

A lot of people discard the leftover in indoor plants after making tea, thinking that it will work as something good for the plant. But do you if this really works or not, and if it works why it does so? And what about the milk and sugar effect on a plant that the leftover contains.

Does it help the plant grow or worsen it?

What pesticide is present in tea leftovers?

There is a lot of chemicals present in tea leaves. And in process of making it into tea even more chemicals generate. The number and variety of chemicals can be different with a different brand.

Tea is used to grow plants, so it would be no surprise if we call tea a pesticide. But the amount of synthetic pesticides in tea is very low same as 0.1 %. So it doesn’t cause any harm to the plant unless it is added in a heavy amount.

Especially when it comes to green tea, it is highly good for plants growth. Green tea is rich in nitrogen which is essential for plant growth.

Nutrients provided by tea to plants

Tea contains nutrients, which go into plants when we used tea in plants. But instead of using processed tea or leftover tea, using tea leaves will be more beneficial to plants.

Especially using green tea in plants will help plants to grow faster, healthier, and stronger. Green tea acts as a natural fertilizer.


tea for plants

Green tea is ideal for acid-friendly plants like rose, tomatoes, blueberries, etc.

Just put the green on the top of plant soil, or lightly mix it with plant soil, to make the soil more fertile and to grow plants faster, and healthier.

A biodegradable tea bag can also be used to increase the fertility of the soil, just put the tea bag under the soil.

Milk and soil effect present in tea leftover

Milk and soil contain organic chemicals, which are the food of microbes. No one wants these microbes to grow in your house plant. The truth is these microbes already present in your plant but they don’t harm the environment of plants.

Both milk and sugar will release nutrients slowly, as the microbes grow after sometimes they will die after digesting organic matter.

Also, the milk can be smelly being in the plant for a longer time. but it will be that can be neglected in case it exists.

How to use tea in your plants?

Tea can be used in multiple ways to enrich your plants with nutrients. It can be a watering source of plants, directly biodegradable tea bags can be used.

Both ways of using tea bags are cost-effective and easy ways to give nutrients to plants.

Watering the plants with tea


Watering with tea

Using tea to water the plant will work as same as using tea in the soil directly. But you need to consider that use the same amount of water as you usually use.

Never use hot tea in plants directly it can damage the plant drastically.

Burying tea bag in soil

This is also a great way to provide extra nutrients to plants.

Make sure to use the biodegradable and used teabag.


burying tea bag to provide nutrients to plants

Also, remove the string from the bag before burying it and remove the staple if it has any.

A tea bag is to provides nutrients to the soil so make sure to bury something that can decompose in the soil.

Tea provides soil nutrients whether it is normal tea leftover or green tea bag. But excessive use of anything can be harmful, so make sure to use in the limit. Do not overdue use of any method that makes to do some good.






  • Oct 25, 2021
  • Category: Blogs
  • Comments: 0
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