Blue is a go-to color for relaxation and calming the mind. Blue flowers have a similar relaxing effect to your eyes and mind. Opening the windows to see blue blooms in your garden is the perfect way to unwind. These 20 flowers are great additions to any gardens or planters that need something calming.
1. Stiff Blue-eyed Grass (Sisyrinchium demissum)
Stiff Blue-eyed Grass provides nice coverage for your garden. The low-growing iris relative creates blue “carpet” look atop grassy foliage. They prefer full sun and well-drained soil. The grassy appearance makes them perfect for a cottage garden.
2. Desert Bluebells (Phacelia campanularia)
Desert Bluebells are perfect coverage plants for dry soil. The bell-shaped flowers stand atop bright green foliage with hairy leaves. They need watering during the early growing season, but when established, they don’t need frequent watering or fertilizing.
3. Bluecrown Passionflower (Passiflora caerulea)
Bluecrown passionflower offers exotic beauty from its unique blooms. Each flower has circular filaments with blue and white “ring” colors. They need moist, well-drained soil and full sun. The flowers grow from summer to fall, followed by small, orange fruits.
4. Mountain Larkspur (Delphinium scaposum)
Mountain larkspur is originally a desert plant, which means it is quite hardy. The low-growing plant has delicate blue flowers that grow on tall stalks. They can attract bees and hummingbirds. Mountain larkspur is low-maintenance, perfect to be paired with larger, warm-colored blooms.
5. Bird-bill Dayflower (Commelina dianthifolia)
Bird-bill dayflower is a perennial herb with tiny, three-petal blue flowers. The flowers only bloom for a day before wilting. However, they grow quickly, so you can always have these blue blooms from summer to fall. They are perfect for borders or rock garden.
6. Poor Man’s Weather Glass (Anagallis arvensis)
Many people see Poor Man’s Weather Glass as a regular weed. However, they can be great garden coverage (or used in cottage garden). They can grow on sandy, well-drained soil with full sun. Poor Man’s Weather Glass is not frost-tolerant. Plant the seeds right after the last frost disappears.
7. Glory-of-the-snow (Chionodoxa)
Glory-of-the-snow name refers to small but brilliant blue flowers, which appear at the beginning of the spring. The flowers are star-like with a white center. They bloom until late spring, but the foliage stays green until fall. They love well-drained soil enriched with compost.
8. Veronica (Veronica)
Veronica flowers come in various shapes, from cup-like, star-like, to stalk-like. These plants are perennial, attracting bees and butterflies. They come in colors such as pink, lavender, and white, but blue is the most common one. Ideal for flowerbed or border pants.
9. Sweet Pea (Lathyrus odoratus)
Sweet pea has several blue variants, such as ‘Blue Ripple’ and Indian pea. The Blue Ripple has marbled petal color with soft blue edge and frost center. They bloom in summer and spreading sweet scent, attracting bees and butterflies. The fragile look is perfect to accompany larger, flashier flowers.
10. Blue Lupine (Lupinus perennis)
Blue lupines have beautiful lance-like flowers that bloom from late spring to summer. These perennial plants can increase nitrogen intake in the soil. They love slightly-acidic, well-drained soil with full sun. However, in a hotter region, lupines need partial shade.
11. Great Blue Lobelia (Lobelia siphilitica)
Also known as “blue cardinal flower”, great blue lobelia has downward tubular flowers that clump in masses. They create a showy display from July to September. Lobelias need hummus, moist, well-drained soil and full sun. They are perfect for a rain garden.
12. Blue Flax (Linum lewisii)
Blue flax is short-lived, but the flowers have a delicate blue color that enriches summer days. They need full sun and lean, well-drained soil to thrive. Blue flax only opens its blooms during sunny days. They are perfect for a cottage or naturalistic garden.
13. Colorado Blue Columbine (Aquilegia coerulea)
Colorado Blue Columbine has purplish blue blooms with a white shade. Their star-like flowers bloom in spring and summer. They attract bees, hummingbirds, and butterflies. They grow on almost any types of (well-drained) soil and can handle partial shade.
14. Siberian Squill (Scilla siberica)
Siberian squills are short-growing flowers, but they spread wide, perfect for natural or cottage garden. The brilliant blue flowers multiply fast, creating a blue carpet in the garden. Siberian squills love any types of well-drained soil. The flowers are also great for containers.
15. Lungwort (Pulmonaria officinalis)
Lungwort has small flowers, but its foliage has a unique look too. The leaves are bright green with white spots on the surface. The blooms appear during spring and thrive on moist soil with partial shade. Lungwort is a hardy plant that requiring little care.
16. Love-in-a-mist (Nigella damascena)
Love-in-a-mist has small, delicate, star-like flowers that peek between dense bracts. The bracts are thin but dense, creating mist-like visual around the flowers. The plant is resilient and requires minimal care. The flowers bloom during spring.
17. Himalayan Blue Poppy (Meconopsis baileyi)
Himalayan blue poppy has impressive large flowers with soft blue color. The flowers bloom from late spring to summer. They are perfect for cottage garden and plant beds. Himalayan blue poppies are deer and rabbit-resistant. Himalayan blue poppy needs cool but damp summer temperature to thrive.
18. The Blue Mist Shrub (Caryopteris clandonensis)
The blue mist shrub produces clusters of small flowers that evoke mist. The flowers bloom from July to August, with more flower production under full sun. Blue mist shrub is low-maintenance and drought-resistant. The flowers attract bees and butterflies.
19. African Lily (Agapanthus africanus)
African lilies produce star-like, lithe petals with purplish blue shade. Native to Africa, this flower loves full sun and well-drained soil. African lilies attract birds, butterflies, and bees. They are perfect as garden or container plants. The flowers bloom from early to mid-summer.
20. Georgia Blue (Veronica umbrosa)
Also known as speedwell, Georgia Blue flowers have cup-like flowers similar to pansies. The flowers are rich blue, with white “eyes” in the middle. They love full sun and well-drained soil, and perfect for a cottage garden. Georgia Blue is deer and rabbit-resistant. The flowers attract hummingbirds, bees, and butterflies.
Blue flowers are the right choices to bring calming, peaceful air to your garden. Plant these flowers with warm-colored blooms for colorful gardens or arrangements.