Flowers That Start With O | Names List With Pictures

Flowers That Start With O include beautiful garden flowers, wildflowers, tropical blooms, and flowering plants. Popular examples include Orchid, Oleander, Osteospermum, Oxalis, and Oriental Poppy. These flowers come in many colors, shapes, sizes, and fragrances. Some are popular garden plants, while others grow naturally in meadows, forests, mountains, wetlands, and warm regions. This list includes common, garden, wild, perennial, annual, tropical, fragrant, colorful, and easy-to-grow flowers beginning with O.

List of Common Flowers That Start With O

Here are some popular and recognizable flower names beginning with the letter O.

1. Orchid
2. Oleander
3. Osteospermum
4. Oxalis
5. Oriental Poppy
6. Obedient Plant
7. Oregano Flower
8. Orange Lily
9. Ornamental Onion
10. Oxeye Daisy
11. Orange Blossom
12. Oxlip
13. Oenothera
14. Osmunda
15. Osmanthus
16. Orpine
17. Oregon Grape Flower
18. Old Man’s Beard
19. Ornamental Tobacco
20. Owl’s Clover

Orchids are among the world’s most diverse and recognizable flowering plants, with many colors, shapes, and sizes. Oleander is a flowering shrub known for its colorful blooms, while Osteospermum produces daisy-like flowers in bright shades. Oriental Poppy is known for its large, showy flowers.

Garden Flowers That Start With O

Many O flowers are suitable for flower beds, borders, containers, and landscaping.

1. Orchid
2. Oleander
3. Osteospermum
4. Oxalis
5. Oriental Poppy
6. Obedient Plant
7. Orange Lily
8. Ornamental Onion
9. Oxeye Daisy
10. Orange Blossom
11. Oxlip
12. Oenothera
13. Osmanthus
14. Orpine
15. Oregano Flower
16. Ornamental Tobacco
17. Oregon Grape Flower
18. Owl’s Clover
19. Orange Cosmos
20. Ornamental Peony

Osteospermum is popular for its bright daisy-like flowers and works well in containers and garden borders. Obedient Plant can add vertical interest, while Ornamental Onion produces rounded flower heads that stand above the foliage.

Wildflowers That Start With O

Several flowers beginning with O grow naturally in meadows, grasslands, forests, mountains, wetlands, and other wild habitats.

1. Oxeye Daisy
2. Oenothera
3. Owl’s Clover
4. Oregon Grape Flower
5. Obedient Plant
6. Orpine
7. Old Man’s Beard
8. Oxlip
9. Orange Hawkweed
10. Orange Milkweed
11. Oregon Sunshine
12. Oregon Iris
13. Oregon Checkerbloom
14. Orange Sneezeweed
15. Oregon Stonecrop
16. Oregon Aster
17. Oregon Yampah
18. Orange Paintbrush
19. One-flowered Wintergreen
20. Onionweed

Oxeye Daisy is a familiar wildflower with white petals surrounding a yellow center. Oenothera, commonly known as evening primrose, includes several wildflower species with attractive blooms. Oregon Sunshine is a native wildflower known for its cheerful yellow flowers.

Perennial Flowers That Start With O

Many O-named flowers are perennial plants that can return year after year under suitable growing conditions.

1. Orchid
2. Oleander
3. Oriental Poppy
4. Obedient Plant
5. Oxalis
6. Ornamental Onion
7. Oxeye Daisy
8. Oxlip
9. Oenothera
10. Orpine
11. Oregon Grape Flower
12. Oregon Iris
13. Oregon Stonecrop
14. Orange Lily
15. Orange Milkweed
16. Oregon Aster
17. Owl’s Clover
18. Ornamental Tobacco
19. Osmanthus
20. Oregano Flower

Oriental Poppy is a striking perennial known for its large, colorful blooms. Obedient Plant is another popular perennial that produces tall spikes of flowers, while Ornamental Onion is valued for its unusual spherical flower heads.

Annual Flowers That Start With O

Some O flowers are commonly grown as annuals, particularly in climates where they cannot survive winter outdoors.

1. Osteospermum
2. Ornamental Tobacco
3. Owl’s Clover
4. Orange Cosmos
5. Oregano Flower
6. Oxalis
7. Oenothera
8. Osteospermum ecklonis
9. Osteospermum fruticosum
10. Ornamental Nicotiana
11. Orange African Daisy
12. Owl’s Clover
13. Oxalis triangularis
14. Oenothera lindheimeri
15. Osteospermum hybrid

Growing habits can vary by species, cultivar, and climate. Some plants grown as annuals in colder regions may survive as perennials in warmer conditions.

Tropical Flowers That Start With O

Tropical and warm-climate flowers beginning with O often have bright colors, unusual shapes, or lush foliage.

1. Orchid
2. Oleander
3. Orange Blossom
4. Osteospermum
5. Oxalis
6. Osmanthus
7. Orange Lily
8. Ornamental Tobacco
9. Orange Hibiscus
10. Orange Ixora
11. Orange Bird of Paradise
12. Oncidium Orchid
13. Odontoglossum Orchid
14. Ophrys Orchid
15. Orchid Tree Flower
16. Orange Trumpet Flower
17. Orange Mandevilla
18. Orange Jasmine
19. Orange Plumeria
20. Orange Passion Flower

Orchids include many tropical species and are among the most diverse flowering plants. Oleander is another warm-climate flowering shrub known for its attractive blooms and evergreen foliage.

Fragrant Flowers That Start With O

Several O-named flowers and flowering plants are valued for their pleasant or distinctive fragrances.

1. Orange Blossom
2. Orchid
3. Oleander
4. Osmanthus
5. Orange Jasmine
6. Oregano Flower
7. Ornamental Tobacco
8. Orange Lily
9. Orange Plumeria
10. Orange Mandevilla
11. Oncidium Orchid
12. Odontoglossum Orchid
13. Orchid Tree Flower
14. Orange Blossom Citrus
15. Osmanthus fragrans

Orange Blossom is especially famous for its sweet, floral fragrance. Osmanthus is also valued for its highly fragrant flowers, while some orchid species have distinctive scents.

Colorful Flowers That Start With O

Flowers beginning with O can produce blooms in shades such as red, pink, purple, blue, yellow, orange, and white.

1. Orchid
2. Oleander
3. Osteospermum
4. Oxalis
5. Oriental Poppy
6. Obedient Plant
7. Orange Lily
8. Ornamental Onion
9. Oxeye Daisy
10. Orange Blossom
11. Oxlip
12. Oenothera
13. Orpine
14. Oregano Flower
15. Owl’s Clover
16. Oregon Sunshine
17. Oregon Iris
18. Orange Hawkweed
19. Orange Milkweed
20. Orange Cosmos

Orchids come in an extraordinary range of colors and patterns. Osteospermum can produce colorful daisy-like blooms, while Oriental Poppy is especially striking in red, orange, pink, and other shades.

Fragrant Garden Flowers Starting With O

Several O-named flowers can add fragrance and visual appeal to a garden.

1. Orange Blossom
2. Orchid
3. Osmanthus
4. Orange Jasmine
5. Oleander
6. Orange Lily
7. Oregano Flower
8. Ornamental Tobacco
9. Orange Plumeria
10. Oncidium Orchid
11. Odontoglossum Orchid
12. Osmanthus fragrans
13. Orange Mandevilla
14. Orchid Tree Flower
15. Orange Passion Flower

Flower fragrance can vary depending on species, cultivar, growing conditions, and time of day. Orange Blossom and Osmanthus are especially well known for their fragrance.

Flowers That Start With O in Different Colors

Red Flowers That Start With O

1. Oleander
2. Orchid
3. Oriental Poppy
4. Osteospermum
5. Orange Lily
6. Ornamental Onion
7. Obedient Plant
8. Orange Milkweed
9. Orange Mandevilla
10. Orange Plumeria

Pink Flowers That Start With O

1. Orchid
2. Oleander
3. Osteospermum
4. Oriental Poppy
5. Oxalis
6. Obedient Plant
7. Orange Lily
8. Oenothera
9. Oxlip
10. Orpine

Yellow Flowers That Start With O

1. Oregon Sunshine
2. Oxeye Daisy
3. Oxlip
4. Oenothera
5. Orange Lily
6. Ornamental Onion
7. Oregano Flower
8. Orange Hawkweed
9. Oregon Grape Flower
10. Oregon Aster

Blue Flowers That Start With O

1. Orchid
2. Osteospermum
3. Oxalis
4. Oregon Iris
5. Owl’s Clover
6. Ornamental Onion
7. Oenothera
8. Orpine
9. Orchid hybrid
10. Oregon Aster

White Flowers That Start With O

1. Orchid
2. Oleander
3. Oxeye Daisy
4. Orange Blossom
5. Osteospermum
6. Oxlip
7. Oenothera
8. Osmanthus
9. Orange Lily
10. Ornamental Tobacco

Easy-to-Grow Flowers That Start With O

Some O-named flowers can be suitable for beginner gardeners when their basic growing requirements are met.

1. Osteospermum
2. Oxeye Daisy
3. Oregano Flower
4. Ornamental Onion
5. Oenothera
6. Oxalis
7. Nasturtium
8. Obedient Plant
9. Osteospermum ecklonis
10. Owl’s Clover
11. Orange Cosmos
12. Orpine
13. Oxlip
14. Oregano
15. Oregon Stonecrop

Osteospermum, Oxeye Daisy, Ornamental Onion, and Oenothera can be good choices for beginner gardeners when grown under suitable conditions. Growing difficulty depends on climate, soil, sunlight, watering, and the specific variety.

Flowers That Start With O for Home Gardens

Many O flowers can be grown in garden beds, containers, balconies, water gardens, or larger landscapes.

1. Orchid
2. Oleander
3. Osteospermum
4. Oxalis
5. Oriental Poppy
6. Obedient Plant
7. Orange Lily
8. Ornamental Onion
9. Oxeye Daisy
10. Orange Blossom
11. Oxlip
12. Oenothera
13. Orpine
14. Osmanthus
15. Oregano Flower
16. Owl’s Clover
17. Oregon Grape Flower
18. Oregon Iris
19. Orange Cosmos
20. Ornamental Tobacco

Osteospermum is a popular choice for sunny gardens and containers. Ornamental Onion can add height and structure to borders, while Oxeye Daisy can bring a classic wildflower appearance to suitable gardens.

Flowers That Start With O for Kids

Children can learn flower names beginning with O through alphabet games, picture cards, coloring pages, worksheets, and nature activities.

1. Orchid
2. Oleander
3. Osteospermum
4. Oxalis
5. Oriental Poppy
6. Obedient Plant
7. Orange Lily
8. Ornamental Onion
9. Oxeye Daisy
10. Orange Blossom
11. Oxlip
12. Oenothera
13. Oregano Flower
14. Owl’s Clover
15. Oregon Sunshine

The Orchid, Orange Lily, Oxeye Daisy, Oriental Poppy, and Osteospermum are especially useful for children’s learning because their names are distinctive and their flowers have interesting colors, shapes, or growing habits.

FAQs: Flowers That Start With O

1. What are some flowers that start with O?

Some popular flowers that start with O include Orchid, Oleander, Osteospermum, Oxalis, Oriental Poppy, Obedient Plant, Orange Lily, Ornamental Onion, Oxeye Daisy, and Oenothera.

2. What is the most popular flower that starts with O?

Orchid is one of the best-known flowers beginning with O. Oleander, Osteospermum, Oxalis, and Oriental Poppy are also popular flowering plants.

3. What is a colorful flower that starts with O?

Osteospermum is a colorful flower beginning with O and is available in shades such as purple, pink, white, yellow, and orange. Orchids, Oriental Poppies, and Oleander are also colorful choices.

4. What is a fragrant flower that starts with O?

Orange Blossom is one of the best-known fragrant flowers beginning with O. Osmanthus, Orange Jasmine, and some Orchid species are also known for their pleasant fragrances.

5. What is an easy flower to grow that starts with O?

Osteospermum, Oxeye Daisy, Ornamental Onion, Oenothera, and Orpine can be suitable choices for beginner gardeners when grown under appropriate conditions.

Conclusion

Flowers that start with O include a beautiful mix of garden favorites, wildflowers, tropical blooms, aquatic plants, fragrant flowers, and colorful flowering species. From Orchid, Oleander, and Osteospermum to Oxalis, Oriental Poppy, Orange Lily, Oxeye Daisy, and Oenothera, there are many fascinating flowers to discover. Learning flower names can help children build vocabulary, explore nature, complete school projects, and enjoy alphabet-based activities. Use this Flowers That Start With O list for worksheets, quizzes, coloring activities, gardening ideas, or general flower exploration.