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11 Attractive Blue Perennial Flowers

Awesome Blue Flowering Perennials to Add a Breath of Fresh Air to Your Garden

As most flower gardeners can tell you, finding truly blue perennial flowers for your flower garden can be somewhat difficult. However blue flowers stand out and can add a breath of fresh air to your property as well as add pizzazz to your garden or yard.

If you are looking for some blue flowering perennials to add to your flower garden here are 11 flowers that are an excellent choice.

Different types of blue perennial flowers.

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11 Amazing Blue Perennial Flowers

#1. Azure Aster

Blue Azure Aster

Native to North America the Azure Aster is a wonderful blue flower to add to your flower garden. This lovely flower has a branch leafage with clusters of blue daisy-like flowers with yellow centers.

These flowers can grow to be 2 to 3 feet in height and blooms in fall to winter, adding beautiful color to your fall garden.

This flower grows all over the Midwest and does best in zones 3 through 9 and thrives best in direct sunlight and either sandy, dry or rocky soil. They are perfect for attracting butterflies.

#2. English Bluebells

English bluebells

Native to Europe English Bluebells are pretty flowers to grow in any garden. These 6 petal flowers are bell shaped (thus the name) with straight sides that turn up at the tip.

These flowers are 12 inches tall and have a lovely sweet smelling scent.

The English bluebell grows best in zones 4 through 9 and prefers shady areas and well-drained soil. Bluebells make great cut flowers and are attractive to butterflies and birds. It should be noted that Bluebells are toxic to humans and pets.

#3. Bluestar


The Bluestar flower is an herbaceous plant that is native to North America. The bluestar flower grows to be 2 to 3 feet tall. And the foliage is medium green and has an hairy quality that turns brilliant yellow in the summer.

The blue (also purple and white) flowers bloom in clusters of small flowers shaped like stars that bloom in early spring from March to May.

This flower grows best in zones 3 through 11 and prefers full sunlight to partial shade and average well-drained soil. These flowers are toxic to people and pets.

#4. Balloon Flowers

Balloon Flowers

Balloon flowers are native to China, Korea, Japan and Russia and are named for the balloon shaped buds that bloom into star-like blue violet flowers.

Members of the bellflower family, these lovely flowers bloom all summer long. These flowers stand 1 ½ feet tall and do need some support or they tend to droop over.

These flowers grow best in zones 3 to 8 and prefer full sunlight and loamy well-drained soil.

#5. Blue Delphiniums

Blue Delphiniums

Blue Delphiniums are tall tightly spiked flowers that grow to be about 2 to 4 feet tall and need staking to keep the flowers upright.

Delphiniums come in blue (pink and white) and make for great cut flowers and Bloom early to mid summer.

This flower grows best in zones 4 through 7 and prefers full or partial sunlight and moist well-drained soil. Blue Delphiniums are attractive to butterflies and hummingbirds, but is toxic to dogs, cats and horses.

#6. Forget-Me-Not


Forget-me-nots come in several varieties and make ideal ground cover with glossy green leaves and 5 petal blue (or white) flowers. The flowers have yellow centers and bloom from early to late spring.

Forget-me-nots prefer zones 5 through 10 and prefer damp shady areas.

#7. Blue Iris

Blue Bearded Iris

There are over 250 varieties of Irises with the most popular varieties being the bearded Iris. Bearded Irises tend to be tall flowers growing 2 to 3 feet tall and are made up of 6 petals 3 upright and 3 drooping.

Blue Irises are just one of the many colors this flower comes in with other colors including white, pink, purple and even multi-colored. These flowers bloom from late spring to early summer.

Irises grow best in zones 3 through 9 and prefer full or partial sunshine and well-drained soil. They make beautiful cut flowers and are very attractive to butterflies and birds.

#8. Blue Leather Flower (Clematis)

Blue Leather Flower (Clematis)

The Leather Flower is a perennial vine that is native to the Southeaster United States. This vine has blue as well as other colored flowers.

It can grow between 24 and 40 inches tall and produces large flowers during the summer season and smaller flowers later on. The leather flower blooms from June until the autumn frost.

This flower grows best in zones 6 through 9 and prefers direct sunlight and average well-drained soil.

#9. Blue Lungwort Flower

Blue Lungwort

Lungwort is a flowering plant native to North America. It is a low growing perennial that grows between 6 inches and 1 foot tall.

This flower is actually named for its leaves, which are lung shaped, fuzzy green and speckled, making the leaves part of the flower’s attraction.

The flower itself has 5 petals and is bell or funnel shaped and starts out pinkish in color before changing to a lovely violet blue. Lungwort is a blue spring blooming flower.

Lungwort grows best in zones 3 through 8 and prefers shady locations and moist well-drained soil.

#10. Blue Lupine

Blue Lupine

Native to North America, the Lupine is a tall flower whose foliage resembles palm leaves. The flowers themselves are tall spires of flowers.

Lupine flowers come in a wide variety of colors, including blue, white, red, pink, purple, yellow and bicolor. These fast growing flowers bloom in the spring throughout the summer months.

Lupine grows best in zones 4 through 8 and prefers full sunlight and well-drained soil. You do need to note that these lovely flowers are toxic to humans and animals.

#11. Pincushion Flower

Pincushion Flower

Native to Europe the pincushion flower consists of small flowers that sits atop wiry stems. These button like flowers not only comes in blue, but several other colors as well, including white, pink, lavender, cream and red. These flowers stand about 18 inches tall.

Pincushion flowers grow best in zones 3 through 7 and prefer to be planted where they get full sunlight and well-drained soil. This flower is toxic to both humans and animals.

Final Thoughts on Blue Perennial Flowers

If you are looking to plant blue perennial flowers in your garden then one or more of the flowers featured here are sure to fit the bill. All you need to do is choose any of these flowering blue perennials that meets your taste and the hardiness of the zone you live in.

Different varieties of blue flowering perennials.

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