120+ Flowers That Start With O

There are a number of flowers that start with the letter O. One such flower is the orchid. Orchids come in a variety of colors, and can be found in both tropical and temperate climates.

Another flower that starts with O is the oleander. Oleanders are poisonous, but they are also one of the most beautiful flowers around. They come in a variety of colors, including pink, red, white, and yellow.

So, Below is the big list of flowers beginning with letter O.

List of Flowers That Start With O

1. Oenothera-Fruticosa-Youngii
2. Orthosiphon Rubicundus
3. Ornamental-Onion-Flower
4. Oxalis-Stricta
5. Olearia
6. Oxalis-Acetosella
7. Oriental Poppy White
8. Orchid-Blue
9. Orchids Stunning Blue
10. Orthosiphon-Aristatus-Purple
11. Osteospermum
12. Osteospernmum-Berry-White-Purple
13. Oleander Yellow
14. Oenothera-Caespitosa
15. Orange-Oriental-Poppy
16. Oyster Plant
17. Oenothera Lamarckiana
18. Orthosiphon Labiatus
19. Orthosiphon-Aristatus-White
20. Osteospermum Fruticosum
21. Oenothera Fruticosa Youngii
22. Oleander-White-Nerium
23. Oleander-Yellow
24. Osteospermum-Ecklonis
25. Oleander Purple Nerium
26. Orchid Pink Yellow Rona Black
27. Osteospermum D Berry White
28. Flowers That Start With P
29. Oyster-Plant-Spanish
30. Oxeye Daisy
31. Osteospermum-Fruticosum
32. Osteospermum D Coral Sand
33. Oenothera-Pallida
34. Ornamental Onion White
35. Orchid-Pink-Yellow-Rona-Black
36. Osteospermum White
37. Oenothera-Lamarckiana
38. Oyster-Plant
39. Oleander-Purple-Nerium
40. Orthosiphon Thymiflorus
41. Ornamental-Onion-White
42. Orthosiphon-Thymiflorus
43. Orchid Bright Green
44. Osteospermum-D-Coral-Sand
45. Oriental Bittersweet
46. Oxalis-Corniculata
47. Ornamental Onion Flowers
48. Oenothera-Macrocarpa
49. Osteospermum Serenity Bronze Magic
50. Oxalis
51. Oriental-Bittersweet
52. Orthosiphon Aristatus White
53. Orange Oriental Poppy
54. Orchid-Pink
55. Orange Electric Ori Lilly
56. Orchid-Phalaenopsis-Yellow-Red

List of Flowers Beginning With O

1. Oleander-Pink-Flower
2. Ox Eye Daisy
3. Osteospermum Ecklonis
4. Oenothera Pallida
5. Oxalis Pes Caprae
6. Orchids Purple
7. Orchid White
8. Oenothera Macrocarpa
9. Oyster Purple
10. Oenothera Berlandieri
11. Oleander White Nerium
12. Oxalis Corniculata
13. Osteospernmum Berry White Purple
14. Orthosiphon Aristatus Purple
15. Ornithogalum
16. Orange-Electric-Ori-Lilly
17. Orthosiphon-Rubicundus
18. Orchid Phalaenopsis Yellow Red
19. Oyster-Flower
20. Oriental Lily
21. Oriental Poppy
22. Oriental Lilies Starfighter Pink
23. Oyster Flower
24. Orchid Blue
25. Oyster Plant Spanish
26. Osteospermum Serenity White
27. Osiria Purple Rose
28. Oriental Lily Dizzy
29. Osiria-Purple-Rose
30. Oriental-Poppy-White
31. Oyster-Purple
32. Oleander-Red
33. Orchid Pink
34. Ox-Eye-Daisy
35. Orchids-Stunning-Blue
36. Oxalis Acetosella
37. Oenothera Macrocarpa Nutt
38. Ornamental Cherry
39. Orchid-White
40. Octoberfest-Rose
41. Orthosiphon-Labiatus
42. Osteospermum-Serenity-Red
43. Ornamental-Onion-Blue
44. Oriental-Lily-White-Light-Pink
45. Ornamental Onion Blue
46. Orchid
47. Oleander Pink Flower
48. Osteospermum-White
49. Octoberfest Rose
50. Orchid-Bright-Green
51. Orientale-Papaver-Manhattan
52. Oxalis-Pes-Caprae
53. Osteospermum-Serenity-White
54. Osteospermum Serenity Red
55. Oleander
56. Oriental-Lily-Dizzy
57. Oleander Red
58. Oriental Lilies White
59. Oenothera Villosa Thunb
60. Oenothera-Macrocarpa-Nutt
61. Orientale Papaver Manhattan
62. Oriental-Lilies-Starfighter-Pink
63. Oenothera-Berlandieri
64. Oxalis Stricta
65. Orchids-Purple
66. Oriental-Lilies-White
67. Oriental Lily White Light Pink
68. Oenothera Caespitosa
69. Osteospermum-D-Berry-White
70. Oenothera-Villosa-Thunb

10 Popular Flowers That Start With O

1. Orchid

These exotic flowers come in a variety of shapes and sizes and have petals in shades of pink, purple, yellow or white.

2. Oriental Poppy

This bold bloom has bright red petals with black centers and is often used to add height to gardens.

3. Oleander

This hardy shrub is known for its clusters of bright blooms in shades of pink, white or red and is popular as a hedge or specimen plant.

4. Osmanthus

These frangrant flowers have creamy-white petals and bell-shaped centers and bloom in late spring or early summer.

5. Oxalis

Also known as shamrocks, oxalis produce small white or yellow blooms and are popular houseplants.

6. Oenothera

Commonly known as evening primrose, oenothera produces fragrant yellow blossoms that open in the evenings and close during the day.

7. Orange Daisy

A member of the daisy family, this flower has daisy-like blooms with bright orange petals and yellow centers.

8. Osteospermum

Also called African daisy, this bloom has white, pink or purple petals with yellow centers and is often used in beds and borders.

9. Ornithogalum

This showy bloom is often referred to as “star of Bethlehem” and has strap-shaped petals in shades of white, pink or yellow.

10. Oncidium

Also called dancing lady orchid, oncidium produces sprays of small yellow and white blooms with wavy petals.

O Letter Flower Name With their Scientific & Botanic Name

Flowers Starting With O – Infographics