Are potatoes bad when they’re green?

Are Potatoes Bad When They’re Green?

So you reach for that bag of potatoes you brought home a few trips ago only to notice that they look a little green. Or maybe you’ve had some sitting on your counter for a while and notice the overall color has started to change.

As much as you may want to avoid wasting food, there are a few things you should know before you attempt to cook tubers that look green.

Are green potatoes safe to eat?

The short answer: No. You should never consume green potatoes. Having said that, your potato can potentially be salvaged.

If it’s still firm, we recommend that you peel the skin to remove the green skin  before you cook it. However, if you notice that the potato is very green, it’s best to throw it away.

Keep in mind that cooking a peeled, green potato does not make it safe to eat.

Why are my potatoes green?

Potatoes usually start to turn green after sitting on your counter for extended periods. 

Greening also happens due to potatoes being on display under fluorescent lighting in the store. Excess light exposure leads to an increase in the production of the alkaloid, Solanine.

Is Solanine Toxic?

Solanine is a compound that’s naturally found in tiny amounts of some foods known as nightshades, including tubers. The skin of a potato usually contains a very small amount of solanine.  

While this compound is a neurotoxin, you would have to ingest a relatively large amount to become ill. Therefore, poisoning from a single potato is very unlikely.

It’s also important to note that solanine produces a bitter taste. So, if you notice an off-putting taste, go ahead and discard the potato immediately. 

How to store potatoes

Since light can cause an increase in solanine production, we recommend storing the potatoes in a dark, dry place. A pantry or cabinet is usually a good place to keep them longer. 

Avoid storing them in places that may become moist or near heat sources.

At Smarter Potato Company, we’re passionate about growing stellar spuds. Check out our blog to get the most out of your favorite potatoes.