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Top 7 Flowers That Start With O [With Photos)

It is very true that gardens and flowers have a way of bringing people together, drawing people from their homes just like Clare Ansberry said.

We are glad we have been brought together and that you are checking us out. In this article, we decide to cover for you, awesome flowers that start with O.

You will be glad to meet the grandpa and grandma flowers, do not forget to take some bow when you see them.

Flowers That Start With O

1. Orchid

The Orchidaceae which is also popularly known as the orchid family. They bloom colorfully with nice fragrant; they are one of the largest families of flowering plants with about 28,000 species.

The orchid is the city flower of Shaoxing in China, other species of the orchid family also serve as the national flower of countries like Colombia, Venezuela, Singapore, Costa Rica and Honduras.

The use of orchids ranges from perfumery to horticulture and food especially baking. Orchids are to be kept moist most of the time but overwatering should be avoided. They are also used at funerals to symbolize everlasting love for the deceased.

2. Ornamental Onion

Now let’s talk about our flowering Onions. Ornamental onion is from the family, Amaryllidaceae.

This flower is special especially when you look at its beauty, bulbous herbs, globe-like, rosy-purple flower top attractive blue smells just like onions when crushed.

Also referred to as the Allium, the genus contains hundreds of species and also include the garlic and onions we grow for food.

They are native to North America and are easily seen in mountainous regions and forests. They bloom in late spring and early summer.

It is easy to grown in any soil with full or partial sun. Ornamental Onions are great for gardens and require loamy soil for its growth. It should be planted in spring and should be divided, as sowing from seeds may take years to germinate.

It is edible because of its mildly bitter flavor, eaten as salads and sandwiches but also has a poisonous characteristic. It requires both partial and full sun with low maintenance.

3. Oriental Lily

Also known as Lilium, it belongs to the species of Lilium orientalis. It has a fragrant perfumer and bloom well in mid to late summer. Also referred to Stargazer Lilly, it was discovered in California, 1974 by Leslie Woodriff.

They grow and do best in sunlight, with well drained loamy or sandy soil. They are beautiful and easy to grow, requires virtually no care, provided that they are planted in the right place and are perrianials which means they come year after year.

They thrive in fall or spring. It is especially good to plant them in the fall, a few weeks before the winter brings freezing temperature with well-drained soil, exposed to a lot of sun just as it has been aforementioned.

4. Oyster Plant

Known by names, boat lily, purple-leaved spiderwort, Moses-in-the cradle. It belongs to the species of Tradescantia spathacea from the family of Commelinaceae.

It is idly cultivated as an ornamental plant and native to Guatemala and southern Mexico and can also be found in Florida, Hawaii, and Texas.

They are popular, beautiful, eye-catching, and can be grown outside in warm temperatures and of course, indoor also.

The oyster plant produces tri-colored leaves with regular demand for water. The oyster plant is good for kitchen, tabletops, desks, bedroom, and so on.

They require shade or partial shade with a consistent temperature which means you have to be very careful of air conditioner and heat. They are better planted in spring or summer.

The edibility of an oyster plant has not been established but they are eaten in some parts of the world as salads and for medicinal purposes but its leaves are said to be toxic and may cause burning pain in the mouth and throat.

They also love well drained soil, clay, loamy, basic or Sandy will do just fine so far they are not placed where the light is bright.

5. Ox Eye Daisy

Ox eye daisy is a genus from the species, Luecanthemum from the family of Asteraceae. It is also referred to as dog daisy and in French, marguerite commune (common marguerite).

They are native to Europe, Asia and have been introduced to North America, New Zealand, and Australia.

It is a perennial herb with underground rhizome, bearing up to three flowers like those of a typical daisy. Once it is established, it can spread rapidly by roots and seeds and may not really do well when fertilized or watered regularly.

They are typically found in grasslands, disturbed areas, waste areas, pastures, fields and bloom from June to August.

6. Old Man of the Andes

This flowering succulent plant takes the grace, serendipity, and beauty of an old man, especially when considered in their full gray hair.

With common names as hairy old man cactus, old man of Mexico, Bearded cactus, they are native to Mexico and need a hot and dry climate to prosper.

It requires well drained soil and a lot of bright sunlight. It is usually covered in white hair with ripped body, brown spines and blooms in spring with long tubular red flowers which may not make an appearance in seven years.

Its coat serves as a blanket in winter and shades it in summer. It prefers porous cactus soil with adequate drainage and requires bright light to full sun.

7. Old Lady Cactus

It’s next to look at the old lady of the old man. This is a specie of the flowering plant from the family of Cactaceae which is native to Central Mexico.

They are covered in white down and spines with reddish purple flowers coming out in Spring and Summer.

It is suitable for domestic cultivation and require that it is kept dry in winter and watered in summer. Just like the cactus family, it needs a well-drained cactus soil with bright sunlight and infrequent water to prevent rot.

They bloom well in late winter and early spring and produce small club-shaped fruits like red chili pepper.

Anyway, Old lady cactus can thrive in any indoor environment with minimum care and is a great choice for beginner gardeners.

They are not toxic and the fruits are very edible with a sweet and tangy taste like strawberries.


We hope you did take a bow. We will love your comments on these flowers and which one is your favorite.

This list is not exhaustive as there are other flowers that start with O that you may want to explore. Have a great time with these flowers and never forget to keep flowers.

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