26 Blue Flowers to Add Charm to Your Garden
Adding blue-hued blooms offers a cooling contrast and visual tranquility when curating a vibrant outdoor space. From the rich indigo petals of classic delphiniums to the delicate periwinkle shades of hydrangeas, these 20 enchanting varieties infuse the garden with refreshing pops of color and undeniable charm.
Table of Contents
1. Blue Hydrangea – A Classic Choice for Any Garden
Blue Hydrangea (Hydrangea macrophylla) is a classic choice for any garden. These stunning flowers are known for their ability to change color depending on the soil’s pH level. In acidic soil, they produce beautiful blue blooms, while alkaline soil produces pink flowers. Blue Hydrangeas thrive in full sun to partial shade and require moist, well-draining soil.
2. Salvia Blue Spires
Salvia Blue Spires (Salvia hybrid) is a stunning perennial that attracts pollinators with its elegant blue flower spikes. These flowers bloom from early summer until fall, making a great addition to any garden. Salvia Blue Spires thrives in full sun and well-drained soil. It is a low-maintenance plant that can tolerate drought and heat.With its vibrant blue blooms and ability to attract pollinators, Salvia Blue Spires is a must-have for any garden.
3. Forget-Me-Not
Forget-Me-Not (Myosotis) is a charming perennial that symbolizes true love and memories, thriving in moist soil and partial shade, making it ideal for woodland gardens or shady areas. Known for their ability to spread and create a beautiful ground cover, these delicate blue flowers bloom from spring to early summer, attracting pollinators like bees and butterflies and adding a touch of romance and nostalgia to any garden.
4. Blue Delphinium
Blue Delphinium (Delphinium) is a stunning perennial that produces towering spikes of vivid blue flowers. These flowers require full sun and well-drained soil. Blue Delphiniums are an excellent choice for cottage-style gardens or as focal points in flower beds. They bloom from early summer to early fall, attracting butterflies and adding vertical interest to the garden. Blue Delphiniums will make a statement in any garden with their vibrant blue blooms and impressive height.
5. Globe Thistle
Globe Thistle (Echinops) is a unique perennial known for its striking blue spherical blooms. These flowers thrive in full sun and well-drained soil, making them a great choice for rock gardens or drought-tolerant landscapes. Globe Thistles are low-maintenance plants that attract pollinators like bees and butterflies. With their architectural shape and vibrant blue color, Globe Thistles add texture and visual interest to any garden.
6. Blue Orchids
Blue Orchids (Orchidaceae) are exotic and mesmerizing flowers in various shades of blue. These delicate flowers require partial shade and moist soil to thrive. Blue Orchids are popular as potted or cut flowers in floral arrangements.
7. Blue Periwinkle
Periwinkle (Vinca minor) is a dainty groundcover that produces sky-blue flowers. These flowers thrive in both full sun and partial shade, making them a versatile choice for any garden. Periwinkles are low-maintenance plants that require well-drained soil. They bloom from spring to summer and are known for their ability to spread and create a beautiful ground cover. With their delicate blue flowers and lush green foliage, Periwinkles add a touch of charm and beauty to any landscape.
8. Common Periwinkle
The periwinkle (Vinca minor), with its evergreen foliage and prolific periwinkle-blue blooms, offers a reliable ground cover that thrives in shaded areas and acidic soils where other plants struggle. A vigorous spreader, this hardy perennial earns its reputation as a low-maintenance solution for garden beds, borders, and containers, bestowing a cooling touch of color for months.
9. ‘Blue Daze’ Morning Glory
‘Blue Daze’ Morning Glory is a stunning ground cover plant known for its vibrant blue flowers and lush green foliage. Ideal for sunny spots, this low-maintenance beauty blooms profusely throughout the summer, adding a refreshing splash of color to any garden.
10. Morning Glory
Morning Glory (Ipomoea) is a popular annual vine that produces bright blue trumpets that greet the day. These flowers thrive in full sun and well-drained soil. They bloom from early summer to fall, attracting pollinators like bees and butterflies. Morning Glories add a whimsical touch to any garden with their vibrant blue flowers and rapid growth.
11. Iris
Iris is a regal perennial that produces blooms in various shades of blue. Siberian Iris (Iris sibirica) is famous for its elegant blue flowers and gracefully arching foliage. These flowers thrive in full sun to partial shade and require well-drained soil. With their stunning blue blooms and vertical solid presence, Irises are a classic choice for any garden.
12. Cornflower
Cornflower (Centaurea cyanus) is a brilliant blue flower with a rich history. Also known as Bachelor’s Button, Cornflowers thrive in full sun and well-drained soil. They are drought-tolerant and require minimal care. Cornflowers bloom from early summer to early fall, attracting bees and butterflies. With their vibrant blue petals and delicate appearance, Cornflowers add a touch of charm and nostalgia to any garden.
13. Blue Star
Blue Star (Amsonia) is a native perennial that produces star-shaped blue flowers. These flowers thrive in full sun and well-drained soil. Blue Stars are low-maintenance plants that attract pollinators like bees and butterflies. They bloom from late spring to early summer and have attractive foliage that turns golden in the fall. With their unique star-shaped flowers and ability to support local ecosystems, Blue Stars are an excellent choice for native plant gardens.
14. Gentian
Gentian is a stunning perennial that produces deep blue flowers with medicinal properties. With their intense blue flowers and therapeutic qualities, Gentians add a touch of beauty and functionality to any garden.
15. Lobelia
Lobelia is a versatile annual or perennial plant that produces cascades of marine blue flowers. These flowers thrive in both full sun and partial shade, making them an excellent choice for hanging baskets, containers, or flower beds. Lobelias require moist soil and regular watering. With their vibrant blue flowers and trailing growth habit, Lobelias add color and texture to any garden.
16. Himalayan Blue Poppy
Himalayan Blue Poppy (Meconopsis) is a rare, striking flower with intense blue petals. These flowers require partial shade and moist soil to thrive. Himalayan Blue Poppies are prized for their exquisite beauty and are in high demand among gardeners and collectors. They bloom from late spring to early summer and can be challenging to grow due to their specific requirements. Himalayan Blue Poppies are a true gem in any garden with their rare and captivating blue blooms.
17. Bluebell
Bluebell (Mertensia) is an enchanting woodland flower that produces delicate blue blooms. Virginia Bluebells (Mertensia virginica) is a popular variety that thrives in partial shade and moist soil. Bluebells are a favorite among gardeners for their ability to naturalize and create a beautiful carpet of blue in spring. They attract pollinators and bloom from April to May. With their charming blue flowers and preference for shady areas, Bluebells are the perfect addition to any woodland garden.
18. Agapanthus
Agapanthus is a stunning perennial that produces large clusters of deep blue flowers. These flowers thrive in full sun and well-drained soil. Agapanthus is known for its ability to attract pollinators like bees and butterflies. They bloom from midsummer to early fall and make a bold statement in any garden. With their striking blue flowers and impressive size, Agapanthus adds a touch of drama and elegance to any landscape.
19. Grape Hyacinth
Grape Hyacinth (Muscari) is a petite bulbous plant that produces perfectly blue flowers. These flowers love full sun to partial shade and well-drained soil. Grape Hyacinths are famous for their ability to naturalize and create a carpet of blue in rock gardens or flower beds. They bloom from early spring to early summer, attracting pollinators like bees. With their charming blue flowers and compact size, Grape Hyacinths add a touch of whimsy and beauty to any garden.
20. Sea Holly
Sea Holly (Eryngium) is a unique perennial offering textural interest and metallic blue flowers. These flowers thrive in full sunlight and well-drained soil, making them an excellent choice for rock gardens or dry areas. It blooms from midsummer to early fall and has spiky foliage, adding architectural appeal to the garden. With its distinctive appearance and stunning blue flowers, Sea Holly is a true conversation starter.
21. Bellflower
Bellflower (Campanula) is a versatile perennial that produces vibrant blue flowers. These flowers thrive in full sun to partial shade and prefer well-drained soil. Bellflowers come in various shapes and sizes, from compact mounds to tall spires. They bloom from late spring to early fall and attract pollinators like bees and butterflies. With their cheerful blue blooms and versatility, Bellflowers are a great addition to any garden or flower bed.
22. Blue Aster
Azure Aster is a late summer to fall bloomer that produces beautiful blue flowers. Azure Asters are known for attracting pollinators like bees and butterflies. They bloom from late summer to early fall and are an excellent choice for adding color to the garden during the later months of the growing season. With their vibrant blue flowers and late-season blooms, Azure Asters are valuable to any garden.
23. Blue Daisy
Blue Daisy is a vibrant perennial known for its striking blue petals and cheerful yellow centers, making it a standout addition to any garden. These hardy flowers thrive in full sun and well-drained soil, blooming profusely from late spring to early autumn, attracting pollinators and adding color to the landscape.
24. Chicory
Chicory (Cichorium intybus) is a delightful addition to any garden space, boasting bright blue, fringed petals that unfurl each morning to greet the sun’s rays before closing in the evening hours. This herbaceous perennial offers visual interest with its cheery blooms and provides a crisp, slightly bitter flavor when the leaves and roots are used in salads or as a coffee substitute.
25. Butterfly Pea
Blue Ternate, also known as butterfly pea (Clitoria ternatea), is a striking vine celebrated for its vivid blue, butterfly-shaped flowers. This versatile plant is a visual delight in gardens and is valued for its culinary and medicinal uses, making it a unique addition to any landscape.
26. Nigella or Jewel of the Nile
Nigella damascena, commonly known as Love-in-a-Mist or Jewel of the Nile, is a captivating annual with striking blue or white flowers enveloped by a whimsical collar of finely divided bracts. This self-seeding beauty adds an air of romantic mystery to cottage gardens and meadow plantings, its unusual seed pods lending an architectural element long after the delicate blooms have faded.