Potato Fruits: The Garden’s Unsung Heroes Uncovered

Potato Fruits

In the vast world of horticulture, the humble potato (Solanum tuberosum) is a star player, renowned for its starchy tubers that grace tables across the globe. Yet, there’s an element of the potato plant that often goes unnoticed or, perhaps, misunderstood: the potato fruits. Often mistaken for tomatoes due to their striking similarity, these small, green orbs are not only inedible but potentially toxic. So, why do they exist, and what purpose do they serve? Let’s delve into the mystery of potato fruits.

The Mystery of Potato Fruits

Potato fruits are often a surprise for gardeners, primarily because of their striking resemblance to cherry tomatoes. Yet unlike their succulent lookalikes, potato fruits are not for the salad bowl. Despite this, they play a vital role in the lifecycle of a potato plant. While most plants reproduce via seeds located within the fruit, commercial potatoes are typically propagated using tubers, leaving many questioning the role of the potato fruit.

The Science Behind Potato Fruits

Potato fruits are the product of successful pollination of potato flowers. While flowers often drop off after blooming, sometimes they develop into fruits under the right conditions. However, not all potato plants bear fruits. Factors such as the variety of the potato, the growing conditions, and pollination greatly influence fruit production.

Potato Fruits and Toxicity

Despite their tempting appearance, potato fruits are toxic to humans due to a compound called solanine. This glycoalkaloid toxin, which is also present in green potatoes and other members of the nightshade family, can cause symptoms such as nausea, dizziness, and, in severe cases, neurological problems. As such, potato fruits should not be ingested, especially by children and pets.

The Role of Potato Fruits in Propagation

While we commonly plant potatoes using “seed potatoes” or tubers, potato fruits carry the true seeds of the plant. Each fruit can contain several hundred seeds, presenting opportunities for preserving genetic diversity and developing new varieties. However, growing potatoes from seed is a long process and is more commonly practiced by breeders looking to develop new cultivars.

The Future of Potato Fruits

Potato fruits, while not suitable for consumption, still hold potential for the future of agriculture. Their seeds could play a role in creating new potato varieties that are more disease-resistant and adaptable to various climates. Additionally, seed propagation might open doors to sustainable farming practices, preserving genetic diversity, and ensuring food security.

Bottom Line

Despite their toxicity, potato fruits are a testament to the marvel of nature and the diversity within our gardens. By understanding their function and treating them with respect, we can safely appreciate these intriguing features of our beloved potato plants.


Should I remove potato fruits from my potato plants?

Unless the fruits are causing your plant to sag or break, there’s no need to remove them. Just remember they are toxic if ingested.

Can potato fruits make me sick?

Yes, potato fruits contain solanine, a toxin that can cause symptoms like nausea, vomiting, and, in severe cases, neurological issues.

Can I grow potatoes from the seeds inside the fruits?

Yes, you can, but it’s a more complicated and lengthy process compared to using tubers. This method is often used by breeders to develop new potato varieties.

What are the green fruits on potato plants?

Green fruits on potato plants are known as potato berries, which look similar in appearance to small green cherry tomatoes. Each berry contains about 300 seeds and is the true fruit of the potato plant.

Can I remove the potato fruits?

It is generally recommended to remove the potato fruits or berries from the plant as they can divert energy away from the development of the potatoes themselves.

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