If so, you are dumping an easy and affordable DIY liquidplant fertilizerdown the drain.

Here’s what we’ve learned about using rice water for plantsand which method is best.

What Is Rice Water, and Is It Good for Plants?

Watering a houseplant with rice water

The Spruce / Jason Donnelly

When rice water is added in the correct increments, it can be hugely beneficial to plants.

That’s because rice water contains nutrients and beneficial microbes that can helpplants grow bigger and fuller.

It’s rich with starch, which plants use to store energy for future growth and reproduction.

rice water

AtnoYdur / Getty Images

The starches in rice water also promote helpful bacteria such as lactobacilli and mycorrhizae fungi in the soil.

And it’s all environmentally friendly.

The preparation you choose will depend on how much starch content you want to give your plants.

Process of making fermented rice water for plants

The Spruce / Jason Donnelly

However, it is also the most time-intensive to make.

The final product will be less concentrated, but still beneficial.

Process of making boiled rice water for plants

The Spruce / Jason Donnelly