do deer eat onions

Do Deer Eat Onions?

Written by: Gemmali Dizor

Yes, deer do eat onions. Indeed onions are among the many plant species that deer will consume if provided with the chance. But, it is crucial to remember the fact that deer can be selective about their diet and will choose not to eat onions when there are other sources of food readily available.

If you’re a farmer or gardener you may be wondering whether deer would eat your onion crop. In the following article, we’ll examine the eating habits of deer as well as the benefits of eating onions for nutrition, and how to guard your onions against being eaten by deer.

The Feeding Habits of Deer

Deer are herbivores. This means they are primarily eaters of plants. Their diet is comprised of a range of plants that include grasses leaves, twigs, and even fruits. But, deer are selective when it comes to their eating practices and are able to steer clear of certain plants or portions or parts of them that they find not palatable or poisonous.

Deer prefer plants with high levels of carbohydrates and protein, which are essential to grow and provide energy. In the winter months when other sources of food are in short supply, deer can choose to eat trees or bark.

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The Nutritional Value of Onions

Onions belong to the allium family which also includes leeks, garlic, and chives. Onions are a great food source for vitamins C and B6 and potassium and dietary fiber. Onions also contain flavonoids as well as sulfur compounds that possess anti-inflammatory and antioxidant properties.

While onions are a healthy food for human beings, they don’t offer the same nutritional benefits for deer. Onions are deficient in protein and carbohydrates which are important for deer to keep their energy levels and health. Deer can therefore only consume onions when other food sources aren’t available.

The protection of your onions plants from Deer

If you’re growing onions and wish to shield them from deer attacks, there are many ways you can go about it. The most effective approach is to put up an actual barrier around your crop or garden. It could be a fence or a mesh system that is tall enough to stop animals from jumping over it.

Another approach is to apply repellents for deer. These are either chemical or natural and operate by emitting a smell or taste that is not appealing to deer. Common natural deer repellents are bar soap, garlic as well as spicy pepper spray. Chemical-based repellents generally have active ingredients like capsaicin or thiram.

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It is crucial to remember that repellents for deer may require frequent reapplication, particularly following heavy rainfall or rain. In addition, some repellents might not work for all deer populations, or across all geographical regions.


In the end, deer consume onions, but they may not consume them if different options for food are available. Onions aren’t a major source of food for deer, however, they could still cause damage to your crop of onions if they are hungry enough. To guard your onions against deer, you can consider constructing an actual barrier or repellents for deer. These steps will make sure that your onion harvest is successful and avoid damage to your crops or garden.

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