Blue flowers have a way of capturing attention like no other. Their striking hues stand out beautifully against greenery, making any garden feel peaceful, vibrant, and unique. But with so many different types of blue flowers out there, which ones should you consider planting?
Whether you're a gardening enthusiast or simply looking for the perfect bouquet, this guide introduces you to 25 types of blue flowers, from the softest sky blues to the deepest indigos.
1. Blue Hydrangea
These popular flowering shrubs bloom in soft blues when planted in acidic soil. Their large, rounded blooms are perfect for adding a dreamy touch to gardens. The shade of blue can vary based on soil pH, with more acidic conditions producing a deeper blue. The hydrangeas are commonly used in bouquets and floral centrepieces due to their voluminous and elegant look.
Care Tip: Keep the soil moist and slightly acidic for the best blue shades.
2. Forget-Me-Nots
Tiny but mighty, these delicate flowers symbolise remembrance and loyalty. They thrive in cool climates and bloom in clusters of bright blue.Ā
Their five-petaled blooms create a soft, dainty appearance, making them ideal for cottage-style gardens. Forget-me-nots also self-seed, so once planted, they tend to return year after year.
Care Tip: Plant in partial shade with moist soil for best growth.
3. Bluebell
A charming woodland flower, bluebells form a stunning carpet of blue when planted in large numbers. Their sweet fragrance adds to their appeal. They are known to attract bees and butterflies, making them beneficial for pollinators. In the wild, bluebells are often found in shaded areas under trees, thriving in cool, damp soil.
Care Tip: Plant in a shaded area for a natural woodland feel.
4. Cornflower (Bachelorās Button)
These wildflowers are known for their bright blue, ruffled petals. They attract pollinators and are easy to grow from seed. Cornflowers are often used in dried floral arrangements because their petals retain their colour even after drying. Historically, they were worn in buttonholes, hence the name ābachelorās button.ā
Care Tip: Provide full sun and well-drained soil for best results.
5. Himalayan Blue Poppy
A rare and captivating bloom, this poppyās electric blue petals make it one of the most sought-after flowers. Unlike common poppies, this species requires cool, humid environments to flourish. It is particularly sensitive to heat and dry soil, making it a challenging but rewarding plant for dedicated gardeners.
Care Tip: Needs cool temperatures and moist, well-drained soil to thrive.
6. Morning Glory (Blue Variety)
With trumpet-shaped blooms, blue morning glories open in the morning and close by afternoon, adding a dynamic beauty to gardens. They grow rapidly on vines, making them perfect for trellises, fences, and arbours. These flowers can reseed themselves, ensuring new blooms each year without needing to be replanted.
Care Tip: Needs full sun and support to climb properly.
7. Grape Hyacinth
Despite its name, this plant isnāt a true hyacinth but offers small, clustered blue blooms that resemble tiny grapes. The flowers emit a mild, sweet fragrance that enhances their charm in garden beds and potted arrangements. Grape hyacinths are resilient and spread easily, creating vibrant blue drifts when planted in groups.
Care Tip: Prefers well-drained soil and a sunny to partially shaded location.
8. Delphinium
These tall, elegant flowers bloom in shades of deep blue and make a beautiful statement in floral arrangements. Their spires can reach up to 6 feet tall, making them an eye-catching addition to flower beds. However, delphiniums are toxic if ingested, so they should be kept away from pets and children.
Care Tip: Support the stems, as they can be delicate in strong winds.
9. Blue Star (Amsonia)
Named for its star-shaped blue flowers, this perennial is known for its low-maintenance care and resistance to pests. In autumn, its foliage turns a stunning golden-yellow, providing seasonal interest. Blue star plants thrive in a variety of conditions, making them a reliable choice for both beginners and experienced gardeners.
Care Tip: Water moderately and provide full sun to partial shade.
10. Lobelia
This small but vibrant flowering plant is often used in hanging baskets and borders due to its cascading blue blooms. Lobelia thrives in cooler temperatures and will continue to bloom through autumn in mild climates. It also attracts butterflies and hummingbirds, adding movement and life to garden spaces.
Care Tip: Keep the soil moist and provide plenty of sunlight.
11. Plumbago
Plumbago produces clusters of powder-blue flowers and thrives in warm climates. Itās a favourite for attracting butterflies. This shrub-like plant can be trained to climb trellises or used as a ground cover. Its long blooming season, from spring to late autumn, makes it a great choice for continuous colour.
Care Tip: Requires full sun and regular pruning to maintain shape.
12. Glory-of-the-Snow
Among the first flowers to bloom in spring, these little blue beauties thrive even in snowy conditions. Their delicate, star-shaped petals create a striking contrast against late-winter frost. They spread naturally over time, forming beautiful drifts of blue in rock gardens and woodland areas.
Care Tip: Plant in well-drained soil and full sun for the best colour.
13. Love-in-a-Mist (Nigella)
With feathery foliage and delicate blue blooms, this flower adds an enchanting look to any garden. The flowers later develop into balloon-like seed pods, which are often used in dried floral arrangements. Love-in-a-Mist is easy to grow from seed and will readily self-seed for future seasons.
Care Tip: Sow seeds directly in the soil in early spring.
14. Brunnera (Siberian Bugloss)
Resembling forget-me-nots, Brunneraās tiny blue flowers are complemented by large, heart-shaped leaves. It is a shade-loving perennial, making it a great option for brightening up darker garden corners. The variegated leaf varieties add additional visual interest even after the flowers fade.
Care Tip: Grows best in shaded areas with moist soil.
15. Sea Holly
This spiky, metallic-blue flower is loved for its striking appearance and drought resistance. Its unique, thistle-like blooms make it a standout choice in both fresh and dried floral arrangements. Sea holly thrives in sandy, well-draining soil, making it ideal for coastal gardens.
Care Tip: Thrives in full sun and well-drained soil.
16. Blue Daze (Evolvulus)
This trailing plant blooms bright blue flowers daily and is perfect for container gardens. Its flowers close at night, adding an interesting touch to its daily blooming cycle. Blue Daze is highly heat-tolerant, making it a great option for warm climates.
Care Tip: Prefers sandy soil and full sun.
17. Clematis (Blue Varieties)
A climbing plant that produces large, striking blue flowers in various shades. Clematis vines need support structures such as trellises or fences to reach their full potential. They bloom in different seasons depending on the variety, with some flowering in spring and others in summer or autumn.
Care Tip: Needs strong support and well-draining soil.
18. Veronica (Speedwell)
This perennial produces small, vivid blue flowers along tall spikes. It is a magnet for bees and butterflies, making it beneficial for pollinator gardens. Speedwell is also deer-resistant, making it a great low-maintenance option for rural areas.
Care Tip: Water regularly but avoid waterlogging the soil.
19. Gentian
Famous for its deep blue flowers, gentian is a favourite in alpine and rock gardens. This flower has a long history in herbal medicine, particularly in digestive remedies.
Its trumpet-shaped blooms stand out against rocky landscapes, adding a touch of colour to mountainous terrains.
Care Tip: Prefers cool, moist conditions and well-draining soil.
20. Periwinkle (Vinca Minor)
A creeping ground cover that produces delicate blue blooms throughout spring and summer. Its evergreen foliage keeps gardens looking lush year-round. Periwinkle is also known for its ability to prevent soil erosion, making it useful for slopes and garden borders.
Care Tip: Thrives in partial shade and adapts well to different soil types.
21. Meconopsis
Similar to the Himalayan blue poppy, this rare blue flower thrives in cool, humid environments. It requires specific conditions, including well-drained but moist soil, to prevent wilting. Meconopsis flowers are short-lived but highly rewarding for those who can meet their growing requirements.
Care Tip: Requires consistent moisture and shade to prevent wilting.
22. Balloon Flower
Named for its balloon-like buds that open into stunning blue star-shaped flowers. Before blooming, the buds swell up like tiny balloons, adding a playful element to gardens.Ā
Balloon flowers are long-lived perennials, making them a reliable choice for low-maintenance flower beds.
Care Tip: Water regularly, but avoid overwatering.
23. Salvia (Blue Varieties)
A pollinator-friendly plant that features spiky blue blooms. It is highly drought-tolerant and can thrive in poor soils, making it ideal for low-water gardens. Blue salvia varieties like "Victoria Blue" and "Blue Hill" are among the most popular choices for adding vertical interest to flower beds.
Care Tip: Requires well-drained soil and full sun.
24. Borage
This herb has edible, star-shaped blue flowers and is popular in gardens for its bee-attracting qualities. The flowers have a mild cucumber flavour and are often used as garnishes in salads or cocktails. Borage is also known for its medicinal properties, particularly in reducing inflammation and promoting skin health.
Care Tip: Self-seeds easily and thrives in well-draining soil.
25. Agapanthus (Lily of the Nile)
This stunning flower features clusters of blue, trumpet-shaped blooms on tall stems. Agapanthus is highly valued for its long blooming period, which lasts from summer to early autumn. It is also deer-resistant and salt-tolerant, making it an excellent choice for coastal gardens.
Care Tip: Prefers full sun and well-drained soil.
Conclusion About The Blue Flowers
Blue flowers are an enchanting addition to any garden, offering beauty, variety, and an undeniable charm. Whether youāre drawn to the delicate petals of forget-me-nots or the bold statement of delphiniums, thereās a perfect blue bloom for every space.
For those looking to bring the beauty of these blooms indoors, The Daily Blooms offers the best flower delivery in Singapore.Ā
Explore our stunning bloom boxes and find the perfect bouquet today!
Frequently Asked Questions About The Types Of Flowers That Are Blue
What Are The Most Popular Types Of Blue Flowers?
Some of the most popular blue flowers include hydrangeas, delphiniums, cornflowers, and forget-me-nots.
Do Blue Flowers Occur Naturally?
Yes, while rare, many blue flowers occur naturally. Some include the Himalayan blue poppy, gentian, and bluebells.
How Can I Keep My Blue Hydrangeas From Turning Pink?
To maintain their blue colour, ensure the soil is acidic by adding aluminium sulfate or coffee grounds.
Are Blue Flowers Difficult To Grow?
It depends on the species. Some, like lobelia and cornflowers, are easy to grow, while others, like Himalayan blue poppies, require specific conditions.
Can Blue Flowers Be Used In Bouquets?
Yes! Blue flowers are commonly used in floral arrangements to add contrast and elegance to bouquets.
