Can Guinea Pigs Eat Zucchini?

Yes, guinea pigs can eat zucchini. Zucchini is a popular choice of fruit for guinea pigs as it is very nutritious and packed with vitamins and minerals. These vitamins and minerals are necessary for a healthy guinea pig.

Zucchini is one of the few fruits that your guinea pig can have more often due to it having low amounts of sugar, salt and other acidic elements. Putting zucchini into your guinea pig’s diet can be a great way to balance it with other fruits and veggies.

Types of Zucchini Guinea Pigs Can Eat

All types of zucchini are safe for your guinea pig to consume, however, there are some that are more preferred over others.

Green Zucchini

Green zucchini is a long, slender cucumber-like vegetable that is also called squash. A green zucchini typically has a firm exterior and a mild flavor.

Green zucchini is safe for your guinea pig to eat. Because of the flavor it may seem bitter to your guinea pig so you should try out a few pieces at once. However, most guinea pigs love green zucchini and it’s one of the most favored snacks for them.

Zucchini can provide your guinea pig with vitamin A, C, K and B9.

Yellow Zucchini

Yellow zucchini, sometimes called yellow squash or golden zucchini, is very similar to the green zucchini except that it’s a bit sweeter in flavor.

Yellow zucchini is safe for your guinea pig to eat. This type of zucchini is one of the healthiest treats for not only guinea pigs but humans as well!

Similar to green zucchini, yellow zucchini can provide your guinea pig with folate, fiber, vitamin A, C, K and B9 and several other minerals and antioxidants.

Summer Squash

To make this confusing, all zucchini are considered summer squashes but not all summer squashes are zucchini.

Summer squash is considered safe for your guinea pig to eat. Aside from zucchini, the other types of summer squash are: aehobak, crookneck, gem, pattpan, straightneck and tromboncino.. 

Winter Squash 

Winter squash consists of a different grouping of squashes but all live within the same vegetable family as summer ones. They get the name “winter squash” because they are typically stored to eat during winter months when there is no or less harvest.

It is considered by many that winter squashes are safe for guinea pigs to eat. These squashes include: acorn, banana, buttercup, butternut, hubbard, kabocha and pumpkin.

How Often Should You Feed Zucchini to Guinea Pigs?

Because zucchini is rich in nutrients and doesn’t contain a lot of waste or high sugar they can be eaten several times a week, even up to 5 to 6 times. It’s safe to include several zucchini treats into your guinea pig’s diet.

If your guinea pig doesn’t care for zucchini but you still want to get them the nutritional value you can mix zucchini with other foods to hide the taste.

As with all feedings and new foods, keep a close eye on the activities and health of your guinea pig after eating zucchini. If you notice diarrhea or loose stool after a feed, reduce the amount of zucchini in their diet.

How Much Zucchini Should I Give My Guinea Pig?

It’s generally not advised to feed more than 100 grams of zucchini to your guinea pig in short time periods.

You should only give your guinea pig about half a cup to a cup of zucchini cut into roughly 1 inch or smaller pieces to avoid choking and overeating.

The best way to monitor food consumption is to keep an eye on your guinea pig’s weight. If they start to gain or lose weight beyond normal fluctuation you should be concerned and either alter their diet or talk to a veterinarian.

Always avoid overfeeding your guinea pig as it can be very detrimental to their health. Guinea pig’s require a lot of nutrients from their diet to remain healthy. Any sway from a normal balanced diet can lead to many harmful diseases or illnesses.

Benefits of Zucchini for Guinea Pigs

Zucchini is one of the best fruits you can give a guinea pig because of the large amounts of nutrients, minerals and antioxidants they contain.

The best perk about zucchini is that it contains a lot less sugar than nearly all other fruits. For example, you can only feed your guinea pig a few apples at a time but you can feed them a lot more zucchini in a single setting.

Zucchini is great for guinea pigs because:

  • Zucchini helps reduce the chance of your guinea pig getting scurvy. Scurvy is a disease guinea pigs get when they lack proper amounts of vitamin C in their diet. It will cause sores, gum bleeding and other pain in the body.
  • Zucchini contains a high amount of fiber that promotes digestion.
  • Zucchini is very rich in antioxidants, such as beta-carotene, lutein and zeaxanthin, that help fight infection and promote cell health. 
  • Zucchini promotes bone health and growth by providing tons of minerals like calcium, phosphorus, potassium and magnesium.
  • Zucchini promotes better vision as it’s full of vitamin A and antioxidants that promote eye health.
  • Zucchini is low in fat and carbs making it a great snack for guinea pigs, especially ones that are already overweight and can be used in a weight loss diet for your guinea pig.
  • Zucchini is very low in sugar compared to other fruits.
  • Zucchini is a great source of vitamin B6 or folic acid which promotes good blood cells and the breaking down of carbohydrates they get from other foods.

Is Zucchini A Staple Diet For Guinea Pigs?

Even though zucchini is considered one of the best food items you can give a guinea pig, you shouldn’t use it as a substitute for other important components of their diet.

For instance, you will still need to feed your guinea pig hay and pellets. If you feed your guinea pig only zucchini you can run into digestion issues and even diarrhea. It’s best to feed your pet zucchini with other fruits and vegetables.

Health Risks with Zucchini & Guinea Pigs

Zucchini is one of the best fruits, but it does have some drawbacks and things you should watch out for.

Minor Digestion Issues

It’s fairly easy to overfeed your guinea pig a food item they like to eat and to give them large amounts. If you find your guinea pig having loose stool or diarrhea after eating you will want to reduce how much you’re giving them.

Diarrhea can be deadly to guinea pigs as it dehydrates them. You’ll want to make sure you give your guinea pig enough fluids as they work through it.

Choking Hazards

It’s not uncommon to have your pet choke on oversized food. Before feeding your guinea pig zucchini you’ll want to make sure it’s no bigger than 1-inch and it’s not too firm. If it’s too hard they won’t be able to mash it with their teeth.

If your guinea pig is having trouble eating you should try smaller sizes or portions.

Cucurbitacins Poisoning

Cucurbitacin is a chemical produced by some squashes as a defense mechanism to stop animals from eating it.

It’s rare, but not impossible, that the cucurbitacin in zucchini can poison your guinea pig if it’s consumed in large amounts. This can be fatal and cause excessive vomiting in your guinea pig.

To avoid this entirely just feed your guinea pig small amounts of zucchini layered in with other fruits and vegetables. As long as their entire diet does not consist of zucchini you should be just fine.

High Amounts of Calcium 

Calcium is great for growth and development of guinea pigs, however, just like with other animals, a large amount of calcium can be detrimental.

Too much calcium can cause cardiac arrests, or heart attacks, and your guinea pig could start to develop stones in their urinary tract similar to how humans get “kidney stones”.

Can Guinea Pigs Eat Zucchini Skin?

The skin or peel of zucchini is good for your guinea pig as it is packed with nutrients. You should feed your guinea pig zucchini with the skin on to get the best value out of it.

Can Guinea Pigs Eat Zucchini Daily?

Yes, guinea pigs can eat zucchini on a daily basis in small amounts. Zucchini is considered very safe for guinea pigs but if you notice any change in health you should stop feeding it to them immediately and talk to your vet.

Can Guinea Pigs Eat Zucchini Seeds?

The seeds in zucchini are not harmful for guinea pigs but it’s best to avoid them entirely and to remove them before giving it to your pig. They are very tiny and soft and can get lodged in your guinea pigs throat or cause issues in digestion.

Can Guinea Pigs Eat Zucchini Leaves?

Yes, the leaves of a zucchini can be fed to your guinea pig. You shouldn’t feed them to your guinea pig all the time but they can be used as a nice treat.

You should not feed your guinea dried zucchini leaves or leaves that have changed their color. The leaves also usually come with more dirt, or even pesticides, so you should wash them thoroughly before giving it to them.

Can Guinea Pigs Eat Zucchini Flowers? 

Yes, the flowers of zucchini are safe for your guinea pig to eat and contain a lot of nutrients. Just like with the leaves, make sure to wash them thoroughly and ensure there are no bugs in the flowers.

You will want to discard the central core of the flower as it contains pollen. Your guinea pig may have allergies to the pollen so try to only feed them the pedals.

Can Baby Guinea Pigs Eat Zucchini?

Generally you want to feed a baby guinea pig a balanced diet focused on hay, grass and pellets. It is safe to feed your baby guinea pig zucchini in small amounts.

Because baby guinea pigs have a more sensitive stomach and digestive system you should watch them carefully as you feed it to them. If any health issues come up you should take them to your vet immediately.

Article Sources & Research

  1. Cosgrove, N. (2022, July 18). Can Guinea Pigs Eat Zucchini & Squash? What You Need to Know! Pet Keen. Retrieved July 28, 2022, from
  2. Jess. (2022, July 18). Can Guinea Pigs Eat Zucchini? Vet Explains Pets. Retrieved July 28, 2022, from
  3. Rhodes, T. (2022, April 19). Can Guinea Pigs Eat Zucchini? (Serving Size, Hazards & More). My Pet Guinea Pig. Retrieved July 28, 2022, from
  4. S. (2019, March 13). Can Guinea Pigs Eat Squash and Zucchini? SmallPetJournal. Retrieved July 28, 2022, from