Ask Dr. Potato

With 921 posts, chances are there's already an answer to your question. Please try searching below before submitting a question to Dr. Potato. Use multiple words to help narrow down the results. For example, search for "potatoes" and "group" if looking for an answer on cooking potatoes for large groups.

Back To Dr. Potato Home

Can I Water My Plants With Potato Water?

Q:

I've heard you can water plants with potato water that came from boiling your potatoes. Are there any real benefits of this and how should I go about doing so?

A:

Several gardening sources suggest that using water from boiling potatoes, for use in watering plants is beneficial. This makes sense, as potatoes are nutrient-rich with potassium, magnesium, phosphorus and a host of other vitamins and minerals. The only caveat I might suggest is to (obviously) let the water cool down first, and refrain from this application if the potato-water contains seasonings.