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12 Beautiful Blue Flowers for Every Garden

Yellows, oranges and pinks abound in the plant world, but blue flowers sometimes seem harder to find. Here are beautiful blue flowering plants to try.

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SpiderwortCourtesy Dawn DennerCourtesy Dawn Denner

A garden full of cool white and blue flowers is a balm for the eyes on a hot summer day. But, blue flowers can be surprisingly hard to find. If you’d like to add more blue blooms to your garden this year, here are some to seek out. Add these best-smelling flowers, too.

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Balloon Flower

Platycodon grandiflorus

Zones 3 – 8

Be patient with this blue flower; it blooms in the second year when grown from seed. The blue flower buds look like balloons before opening. Check out these early-blooming flowers if you want color quickly.

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Blue bachelor's button cornflower (centaurea cyanus); Shutterstock ID 1113377936; Use (Print or Web): Print; Client/Licensee: BNB FM20; Job: BNB FM20; Other: Payton HintzEQRoy/Shutterstock


Centaurea cyanus


Perhaps the bluest of all blue flowers, cornflower is usually grown from seed. This plant is also commonly known as the bachelor’s button. Psst—we found easy plants anyone can grow.

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Delphinium Blue Lacevia



Zones 4-8

The blooms also come in pink and white, but delphiniums are some of the best blue flowers available. Take a look at these colorful flowers hummingbirds will love.

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Statice Bnbbyc19 Caroline Brooke 1COURTESY CAROLINE BROOKE




This blue flower is commonly grown for dried arrangements and bouquets. Statice also attracts butterflies. Learn how to arrange flowers like a pro.

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Morning Glory



Look for ‘Heavenly Blue‘ for the best blue blooms. Be advised that this vine can be somewhat aggressive. Check out the perennial garden mistakes to avoid.

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Salvia sp.


There are many blue salvia species, including black and blue salvia, mealycup sage, pitcher sage and meadow sage. This variety makes it easy to find the right ones for your garden. Also, try these secret ingredients that can help your garden grow.

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Blue PlumbagoSuzanna Ruby/Getty Images


Plumbago auriculata

Zones 9-11

This sprawling shrub with blue flowers thrives in heat and full sun. Southern gardeners will have the most success with plumbago. As a bonus, it is drought-tolerant once established.

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Blue Cardinal Flower

Lobelia siphilitica

Zones 4-9

Cardinal flower comes in bright red and cool blue. This plant, which is beloved by hummingbirds and other pollinators, prefers moist soil. We found the prettiest ‘night sky’ petunias that you’ll want to plant.

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Close Up Image Of Dwarf Morning Glory Flowersnickkurzenko/Getty Images

Blue Daze Flowers



Here’s another good choice for gardeners who are looking for true-blue flowers. This plant loves the sun and hot weather, and will not bloom as well in shade. Grow blue daze in a container or hanging basket, or use it as a ground cover. Try more easy-to-grow houseplants.

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SpiderwortCourtesy Dawn DennerCourtesy Dawn Denner


Tradescantia sp.

Zones 3-9

A native wildflower, spiderwort boasts bright yellow stamens that emphasize the blue flowers. Here are some ways to take your garden from good to great.

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Virginia Blue Bells Ball Horticultural Companyvia

Virginia Bluebells

Mertensia virginica

Zones 3 to 9

This wildflower of the East and Midwest makes an ideal companion plant for daffodils and hostas, then dies back until the next year. Grow Virginia bluebells in humus-rich moist soil and the plants will self-sow into a colony. This early-spring bloom provides nectar for bees and other pollinators.

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Early Scilla

Scillia mischtschenkoana

Zones 4 to 7

If you’re into cool blue hues and want plants that are super easy to maintain, seek out early scilla. This low-growing plant features star-shaped white blossoms striped with blue. Early scillia grows in full sun to light shade and spreads by offsets and self-seeding. Plant the bulbs in autumn for beautiful blooms from late winter to early spring. Next, read up on these tips to create an affordable garden.

Birds & Blooms
Originally Published on Birds & Blooms

Jill Staake
Jill lives in Tampa, Florida, and writes about gardening, butterflies, outdoor projects and birding. When she's not gardening, you'll find her reading, traveling and happily digging her toes into the sand on the beach.