Fertilize your plants

Potato cooking water is rich in nutrients and can be used to fertilize your plants. It is particularly rich in phosphorus, magnesium and potassium, making it ideal for feeding your plants. For best results, dilute the potato boiling water in equal parts with clean water and fertilize your plants once a week.

Water your plants with it

Potato boil water is a great way to water your plants. Not only does it provide your plants with nutrients, but it also hydrates them and helps them grow. It’s also rich in calcium and magnesium, which helps strengthen your plants against pests and diseases. Water your plants with it once a week for best results.

Natural weed killer: fight weeds

Potato boil water can also be used to control weeds. It is rich in nitrogen and magnesium, which has a weed-killing effect. Pour the water over the weeds and they should die within a few days. It’s a simple, effective, and most importantly, natural way to keep your garden weed-free. For a more effective weed killer, pour the hot water away immediately after boiling, as this will burn the roots of the weeds!

Use it to seed your garden

Potato boiling water can also be used to seed your garden. Pour the water over the seeds and they will germinate faster and stronger. This is an easy and effective way to get seeds that germinate faster and result in stronger, healthier plants.

Use it to control plant diseases

Potato boil water is an excellent tool for fighting plant diseases. It is rich in calcium, which helps strengthen plants and prevent disease. You can also mix it with black soap and spray it on your plants to protect them from pests and diseases. For best results, use it once a week.


Potato boil water is a wonderful product for your garden that can help feed your plants, control weeds, seed your garden and fight plant diseases. It’s a simple trick to prepare and can be used year round to get the best results for your outdoor space.