Blue Flowers: Types & Pictures

Blue Flowers: Types & Pictures
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Learn more about more than 40 types of blue flowers including Iris, Hyydrangea and Cornflower, with our handy guide, plus find the best types of soil and light to plant them in.

Cornflower

Known for attracting bees and butterflies, these blue flowers are unique because they have 10 petals that sprout out like trumpets.

* Plant in full sun.

* Needs well-drained soil.

* Grows in zones 2-11.

 

Globe Thistle

The globe thistle adds an interesting look to any garden and is named for its globe shaped blooms. These blue flowers are also fantastic for attracting bees and butterflies.

* Plant in full sun or partial shade.

* Needs well-drained soil.

* Grows in zones 3-9.



 

Iris

The Iris features lovely , colorful petals which will sometimes bloom both in the beginning of spring and then again in late summer. They require a lot of water, so make sure to plant them near a water source such as a stream or a sprinkler.
* Plant in all sun types.
*Needs moist, well-drained soil.
*Grows in zones 3-9.

 

Hydrangea

Hydrangeas are bushy  blossoms that are easy to recognize both by their look and scent. Although they are naturally purple, you can turn Hydrangeas blue by planting them in an acidic soil.
* Plant in full sun or partial shade.
* Needs moist, well-drained soil.
* Grow in zones 4-9.

 

Empire Blue Butterfly Bush

The highly scented blooms will attract bees, bunnies and even deer to your garden. The pale blue flowers with bright orange centers are sure to attract people as well!
* Plant in full sun.
* Needs well-drained soil.
* Grows in zones 5-10.

 

Oxford Blue

Image source: Plants to Plant

These cone shaped flowers will attract many bees, birds and butterflies to your garden. Be careful that you don’t try to join in on the feast, as oxford blues can be dangerous if ingested by humans or pets.
* Plant in full sun.
* Needs dry, well-drained soil.
* Grows in zones 9-11.



 

Blue Delphiniums

Blue delphiniums blooms are a popular choice in wildflower bouquets. Although they are dainty, they can grow very tall, so make sure to give them something to lean up against. With something to lean on,  they can reach their full potential.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 3-7.

 

Periwinkle (Vinca)

A perfect ground cover that produces glossy, dark green leaves and blue or white flowers in early spring. Grow vinca anywhere you need a fast-growing cover.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 4-8.

 

Forget-me-Nots

No one has to worry about forgetting this stunning flower. Although it may be tiny, its bright color will quickly make this one of your favorites. The blooms self seed, so you can have plenty of these in your garden all year long.
* Plant in partial shade.
* Needs moist, well-drained soil.
* Grows in zones 3-8.

 

Gentians

Although very pretty, gentians are hard to grow. They make great ground covering, but to have guaranteed success you purchase them when they have already started to grow and are about to bloom.
* Plant in full sun or partial shade.
* Needs moist, well-drained soil.
* Grows in zones 3-8.



 

Perennial Geranium

Perennial geranium flowers seed easily and bloom from early summer to early fall. The flowers come in a variety of colors, including blue, and  have a peppery smell.
* Plant in full sun or partial shade.
* Needs moist, well-drained soil.
* Grows in zones 4-8.

 

Brunnera

This dainty flower is perfect for a garden that doesn’t get a lot of sun. The heart shaped leaves are also a lovely addition to any floral arrangement.
* Plant in shade.
* Needs moist, well-drained soil.
* Grows in zones 3-7.

 

Grape Hyacinth

These bulbs bloom in spring, producing clusters of tiny blue or purple flowers that resemble grapes. These are the perfect flowers for attracting birds to your yard, and their blue coloring is stunning.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 4-8.

 

Clematis

This flowering vine produces extravagant flowers all season long. To ensure a long bloom, make sure you keep the roots cool by covering the ground with mulch or smaller plants.
* Plant in full sun.
* Needs moist, well-drained soil.
* Grows in zones 3-9.



 

Bluestar

Image source: Better Homes & Gardens

These blooms have the perfect name, the 5 petals give them a star shape and they are a shy shade of blue. While they start out blue, they will turn a lovely shade of yellow during summer. If you have problems with deer and rabbits eating your flowers, this is the perfect one to grow as the scent will help keep them away.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 3-9.

 

Salvia

Salvia spreads quickly, forming clump like masses with stalks of blue, red or lavender flowers. While it is considered an annual, the plant self-seeds quickly, so you will probably have some of these flowers throughout your garden.
* Plant in Full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 4-9.

 

Bellflower

This adorable little flower with bell shaped blooms is sure to be a favorite in any garden. While it can grow in both white and purple/blue varieties, blue is the most common. Bellflowers make a perfect ground cover plant and also grow well in window boxes.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 3-9.

 

Morning Glory

This is worth planting in your garden if you are an early riser. The large petals on this flower close up every evening and then reopen in the morning. They come in many colors, although blue is a favorite.
* Plant in full sun.
* Needs well-drained soil.
* Grows in zones 3-10.



 

Blue False Indigo

Image source: Landscape of Us

If you are looking for a striking plant that has an interesting history, this is the one. The blue false indigo is easy to take care of, and was used by Native Americans and early European settlers to dye cloth.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 3-9.

 

Harvestbells

Image source: DiscoverLife.org

If you have poor soil in your yard, this is the plant for you. These tiny blue petals with red and green stems are the perfect addition to any yard.
* Plant in partial shade.
* Needs moist soil.
* Grows in zones 6-8.

 

Georgia Blue (Veronica peduncularis)

Image source: Fairview Garden Center

This easy to grow flower is perfect for attracting butterflies. This is also a fantastic flower to use as ground cover for plants that need help establishing deep roots.

 

Agapanthus

A tall plant which produces colorful globes of blue or white trumpet shaped flowers in summer and fall. Agapanthus’ thick green leaves add texture to flower beds and make a great border.
* Plant in full sun.
* Needs moist, well-drained soil.
* Grows in zones 6-11.



 

The Blue Mist Shrub (Caryopteris)

Another flower which honey bees love, this plant produces many tiny blooms which give it the illusion of having a blue mist. After it has finished blooming make sure to trim the plant so that it will create new blooms next season.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 5-9.

 

Himalayan Blue Poppy

Even if you live in the correct zone, this flower is very hard to grow. It needs very specific temperatures and just the right amount of water. If you are able to successfully grow this plant you will be rewarded with a very unique shade of blue blooms.
* Plant in partial shade.
* Needs moist, well-drained soil.
* Grows in zones 7-8.

 

Love in A Mist

This plant has to be seen to truly be appreciated. With a bloom that looks like it is growing inside out, it is sure to attract attention. They are easy to grow and very easy to collect seeds from.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 4-9.

 

LungwOrt

If you want a plant that will bring bright colors to your garden early in the spring, this is the one. It has bright blue blooms which start off as a lovely pink. They are perfect for areas that don’t get a lot of sun.
* Plant in shade.
* Needs moist, well-drained soil.
* Grows in zones 3-9.

 

Siberian Squill

You only need to plant a few bulbs from this plant to have an entire sea of blue blossoms. They self seed very quickly and are extremely easy to grow.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 2-8.



 

Columbine

Although these flowers are short lived, when they do bloom they are a stunning addition to any garden as they come in call colors of the rainbow.This flower is perfect if you want to attract hummingbirds to your garden.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grow in zones 3-8.

 

Flax

This delicate little flower is easy to grow, but you’ll want to plant plenty of them. Each bloom lasts but a day, but the plant stays in bloom for a while since it produces so many — not only in blue, but also clear yellow, depending on the variety.
* Plant in full sun.
* Needs well-drained soil.
* Grows in zones 3-9.

 

Lobelia

Image source: Wikipedia

The tiny clustered flowers of lobelia look lovely in hanging baskets. Lobelia are most commonly blue although they may also be white.
* Plant in full sun or partial shade.
* Needs moist, well-drained soil.
* Grow in zones 3-8.

 

Lupine

Tall spikes of flower clusters look spectacular at the back of a flower bed or lined up against your home. Most varieties prefer cool, moist conditions.
* Plant in full sun.
* Needs moist, well-drained soil.
* Grows in zones 3-9.

 

Sweet Pea

Most commonly used in perfumes, the sweet pea makes a darling addition to any garden. Although they can be hard to grow, once they start they become very hardy and will be stick around for a while.
* Plant in full sun.
* Needs well-drained soil.
* Grows in zones 7-10.



 

Veronica

A spiky plant which has small blue blooms on the end, they can get up to 3 feet tall and bloom all season long. They are perfect for anyone trying to attract butterflies and hummingbirds.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 4-11.

 

Glory of the Snow

Glory of the Snow is true to its name. An early spring bloomer, it’s always a delight to catch a peek at the pretty petite flowers appearing through the snow.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 4-8.

 

Poorman’s Weatherglass

Image source: Biodiversity of Cyprus

Also called Scarlet Pimpernel, this is a fascinating plant. The blossoms of the weatherglass close up when rain is near. It has been used for over a hundred years to help predict the weather before technology could.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 5-10.

 

Birdbill Dayflower

Image source: USDA forest service

This bloom has a very descriptive name. The flowers emerge from what resembles a duck’s bill. Once in bloom , the flowers only last one day. Thankfully each plant will grow multiple blooms which will open at different times.
* Plant in full sun or partial shade.
* Needs moist, well-drained soil.
* Grows in zones 7-10.



 

Larkspur

Larkspur are easy to care for, producing tall stalks of airy flowers. Plant these annuals in early spring as soon as the soil is soft for blooms that will last well into fall.
* Plant in full sun or partial shade.
* Needs moist, well-drained soil.
* Grows in zones 2-10.

 

Bluecrown Passionflower

Image source: Gardenmaking

Exotic passion flowers can be difficult to grow, if you want to try though, this is the one. It has 5 layers of petals that are different colors and sizes with a very unique looking stem. It is easy to grow and very hardy. It will continue to regrow even after being exposed to several winters.
* Plant in full sun or partial shade.
* Needs well-drained soil.
* Grows in zones 6-10.

 

Desert Bluebells

These bell shaped blooms are a bright shade of blue. They do great in areas with lots of sun and sandy soil.
* Plant in full sun.
* Needs well-drained soil.
* Grows in zones 7-10.

 

Stiff Blue-eyed Grass

Image source: Firefly Forest

This plant has a deceptive name because it’s not actually grass at all. It is a very easy to grow flower that will attract an array of birds to your garden.
* Plant in full sun.
* Needs well-drained soil.
* Grows in zones 4-9.

 

Scabiosa

Sometimes called pin cushions, these plants produce lacy blue or white flowers on small stems. Plant a lot of them for the best effect.
* Plant in full sun.
* Needs well-drained soil.
* Grows in zones 3-7.

Learn about other types of flowers here.

 




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Gregg L. Friedman MD

Great photos of blue flowering plants. Thanks for posting this article. By Gregg L. Friedman MD