8 Vegetables That Start With O

There are so many amazing veggies that start with the letter O, it’s hard to figure out where to even begin! We could talk about okra or onions. But those are too easy.

How about orange cauliflower? It’s not as orange as you might think – it just has a slightly higher level of beta-carotene than traditional white cauliflower. There’s also oca – a tuber vegetable that is popular in South America. Whatever is your reason to go looking for a list of vegetables that start with O, you have come to the right place. Ready to go explore?



Okra is a good source of fiber and potassium. It’s also high in vitamins C and E. Okra is often used in soups, stews, and stir-fries. It can be found fresh in supermarkets or at farmers’ markets during the summer months.

It is also called “Lady Finger” because it looks like the fingers of a woman. When buying okra, look for firm, smooth pods without any blemishes or soft spots. Store in the refrigerator after cutting. It can be frozen but only for a few weeks.


Onions are available year-round. They are a good source of vitamin C, fiber, and potassium. There are many varieties, with the most common being yellow and white onions. Yellow onions have more flavor but less bite, while white onions can be a bit stronger. Red onions are milder and sweeter than yellow or white ones, as well as very colorful in salads.

Look for firm bulbs with dry papery skin. The necks of the onion should not be dried out or slimy. It should feel heavy in your hand with no soft spots on the onion or around the neck, which should also feel dry and crisp.

Oil Palm

Oil palm is a popular vegetable in Southeast Asia. The vegetable is also known as palmyra palm, but there are many varieties of the same plant with different names. The seeds of the fruits of this tropical tree are eaten like nuts and are used to make oil and biodiesel.

Oil palms can be eaten right off the tree in their raw form, as well as being cooked. It is usually eaten with sugar, salt, or lime. It has a nutty taste and can be used in salads, curries, drinks, and cooking.



Orache may be easy to overlook among the more common greens sold in stores, but it has a lot to offer. It is a good source of healthy dietary fiber, beta carotene and vitamin K.

Orache leaves can be used raw in salads, or you can cook them. Orache grows well in warm weather, so it is best planted during spring or fall. When buying orache at the store, look for bright green leaves with no holes or signs of yellowing on the edges and bottoms. Store whole leaves in the refrigerator for up to a few days. Orache can also be frozen for longer periods of time.


Oregano is a delicious herb that is widely used in Greek, Italian and Mexican cuisines. It is a popular ingredient for Mediterranean dishes and marinades. Oregano has antioxidant properties, boosts the immune system, and helps fight infections.

It tastes great with eggplant or pizza. Oregano can be grown in your garden or purchased at farmers’ markets or supermarkets during the summer months. You can freeze oregano if you buy it fresh at those times of year or grow your own during the spring and summer months. It can also be dried to use throughout the winter months.


Ogonori is another term for a green leafy vegetable that is commonly found in Asian cuisines. It has a rich, nutty flavor, and it’s often used as a substitute for spinach.

It can be pickled, stir-fried, or used in soups and salads. Ogonori can be grown from seeds or purchased in stores during the summer months. Because of its finer texture and delicate taste, ogonori is a good choice for beginners in growing vegetables.


green trees at daytime

Olive trees grow in Mediterranean climates and produce olives, which are popular ingredients in Mediterranean cuisine. They are used cooked or raw in salads, dips, and pastas. Look for olives that feel heavy in your hand and have no soft spots or blemishes on the skin.

Olive oil is a good source of monounsaturated fat, omega-3 fatty acids, and antioxidants that help protect against heart disease and cancer. You can also use olive oil as a cooking oil.

Oriental Persimmon

Pile of fresh persimmons in container on sunny day

Oriental persimmons are common in Asian countries. They have a sweet flavor and are often used as a substitute for bananas in desserts and fruit salads. They can also be eaten raw when ripe.

The fruit is available in supermarkets during the winter months, but it will be more expensive than bananas because of its seasonality. Oriental persimmons can be frozen after they are ripe so you can use them all year round.


This was our comprehensive list of Vegetables That Start With O. Have you tried any from this list? Let me know in the comments section.

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