If you search for “the rarest flowers in the world”, you will definitely come across pictures of blue colored flowers.
What does this suggest?
Because it is a rare color.
And rare “issues” tend to have less information about them.
Not anymore.
This blog will discuss 22 varieties of blue flowers with their unique characteristics, growing conditions and images. (Blue Flowers)
So, ready to try! (Blue Flowers)
Table of Contents
Blue Flower Meaning
The blue flower was a driving aspiration for the romance movement in Europe, which resonated with ideas of artistic and musical development around the world.
As a color, blue represents love, calmness, desire, and growth to reach the top. The same idea is represented by blue flowers.
Although outnumbered, they fight the harsh conditions of air and soil and grow to radiate a subtle beauty and serenity to the earth. (Blue Flowers)
Fun fact: At one side, blue is the most common color of nature and on the other, it is one of the rarest colors of flower; a great nature’s contrast.
Before we begin, we should point out that blue represents every hue from arctic to light blue, from indigo to navy blue.
Flowers according to the respective bloom season, soil requirement, size, sunlight demand, USDA Zone, etc. We will discuss together all the details, including. (Blue Flowers)
Flowers for Summer
1. Agapanthus (Agapanthus praecox)
Colloquially known as the “African Lily”, these small, unique flowers are actually a large cluster of leaves growing on a stem. A panicle can contain up to 80 violet flowers.
These perennial shoots come to life in late spring or early summer, and both can be grown in open lawns or indoor containers. (Blue Flowers)
Plant size | 2-3 feet |
Preferred soil | No special requirement |
USDA Zone | 8-11 |
Sunlight Exposure | Full sun but partial shade in bright sunlight |
Grown from | Seedling, growing from seed is quite rare |
Unique fact: South Africa is the only place where Agapanthus grows naturally.
2. Himalayan Blue Poppy (Meconopsis betonicifolia)
We can’t let you escape without testing your gardening skills! If you claim to be an expert, we bet you can grow this flower.
Due to its special growing conditions, it will be difficult to cultivate because it is native to the Tibetan mountains.
It has large and soft leaves with golden stamens. Another one of those flowers that can fill the shady corners of your garden. (Blue Flowers)
Plant size | 3-4 feet |
Preferred soil | Neutral to slightly acidic |
USDA Zone | 7-8 |
Sunlight Exposure | Part shade |
Grown from | Seed as they are even more difficult to grow from transplants |
Unique fact: The more alkaline the soil, the more purple the flower.
3. Blue Star (Amsonia)
No extra marks to guess the shape of these flowers!
Like many other species discussed earlier, they grow in large clumps. As for the leaves, they are bright green in color and have an accentuated central rib.
They are not very difficult to grow and as such they can easily become part of your thriving lawn.
Because they are light in color, they can be paired gorgeously with dark flowers like the Black Dahlia.
Nursery seedlings grown from seed (Blue Flowers)
Plant size | 2 feet |
Preferred soil | Neutral pH |
USDA Zone | 5-11 |
Sunlight Exposure | Full sun, part shade |
Unique fact: It was awarded the Perennial Plant of the Year in 2011.
4. Cornflower (Centaurea cyanus)
Also called Bluebottles and Bachelor’s Buttons, these beautiful annual deep blue flowers often grow in cornfields.
Because of its broad bases and numerous stamens, bees and butterflies are greatly attracted to it.
You can easily plant it in your gardens due to its low maintenance and survival capabilities. (Blue Flowers)
Plant size | 1-3 feet |
Preferred soil | Slightly alkaline |
USDA Zone | 2-11 |
Sunlight Exposure | Full sun |
Grown from | Seeds (plant in early summer to get blooms in summer), they don’t transplant easily |
Unique fact: Singles wore this flower, hence the name courtship. If the flower survived, it would mean that their love was pure and lasting.
5. Morning Glory (Ipomoea)
The morning glory flower is a bright blue climber annual that has different meanings and symbols.
Since this navy blue flower blooms in the morning, it shows that the sun’s rays are drenched.
It is also associated with the dying nature of love, as its lifespan is short. Others see it as a flower of love and care. (Blue Flowers)
Plant size | 6-12 feet |
Preferred soil | Any |
USDA Zone | 3-10 |
Sunlight Exposure | Full sun |
Grown from | Grown easily from seed |
Unique fact: They grow and die within a day.
Blue Flowers in Fall
6. Bluebeard (Caryopetirus)
Bluebeard plants, or Blue Mist Shrubs, are gushing shrubs with small flowers clustered around tall stamens.
It gives off a eucalyptus aroma when rubbed and blooms in early autumn.
They attract hummingbirds and butterflies to their leaves, but are otherwise resistant to pests.
They are great to be grown in the garden as they require less maintenance and are drought tolerant. (Blue Flowers)
Plant size | 2-5 feet |
Preferred soil | Alkaline & well-drained |
USDA Zone | 5-9 |
Sunlight Exposure | Full sun |
Grown from | Seed (collect their fruit, harvest the seeds and put them in moist moss before placing inside a refrigerator for three months. Then sow them.), Stem cutting |
Unique fact: They are resistant to deers as well.
7. Larkspur (Delphinium)
With its long stems bearing a row of blue flowers, Larkspur can magically captivate your garden in the fall season.
This is an annual species and needs a low temperature before germination.
Like the viola, they can grow in blue varieties and therefore create lovely combinations.
They symbolize lightness and carelessness and can be placed as an accent in vases, baskets and bouquets of blue flowers. (Blue Flowers)
All parts of this plant are poisonous, so it should not be grown in gardens where children or animals can easily reach it.
Plant size | 1-3 feet |
Preferred soil | Well-drained with no specific pH requirement |
USDA Zone | 2-10 |
Sunlight Exposure | Part Sun |
Grown from | Seeds |
Unique fact: Dried Larkspur was kept in stables in historic times to limit witches’ ability to cast spells on animals.
8. Blue Daisy (Felicia amelloides)
How can any discussion of flowers be expected without mention of daisies! (Blue Flowers)
Blue daisies are light blue flowers and have characteristic long, thin petals but with a yellow center.
They are easy to grow and require little maintenance; therefore, it is a favorite of many gardeners. Some basic gardening equipment and you’re set!
Plant size | 14-18 inches |
Preferred soil | Soil shouldn’t be wet |
USDA Zone | 9-10 |
Sunlight Exposure | Full Sun |
Grown from | Spring beddings or seeds (plant them in peat containers 6-8 weeks before the last frost) |
Unique fact: Attract butterflies because of the bright yellow carpets.
9. Veronica (Veronica spicata)
This wild blue plant is similar to Larkspur with its long stems and blue flowers.
It is originally from Europe and is favored by gardeners for its improved resistance to harsh climate and soil conditions.
It is commonly called a spiked speedboat and is a type of line flower (it adds height to bouquets).
They can be paired with focal flowers in vases and containers throughout the home. (Blue Flowers)
Plant size | 1-3 feet |
Preferred soil | Well-drained. Can grow in all pH but the number of flowers on a stem will vary |
USDA Zone | 3-8 |
Sunlight Exposure | Full Sun |
Grown from | Seeds |
Unique fact: The name honors Saint Veronica, who is believed to have given Jesus a handkerchief so she can wipe her face on her way to Calvary.
10. Madagascar Periwinkle (Catharanthus roseus)
These tiny blue-violet flowers bloom with five petals and are known for their creeping abilities. Its leaves are dark green in color and can spread anywhere.
If you want a quick ground cover, this flower is for you. It comes in other colors of pink, red, and white.
Plant size | 6-18 inches |
Preferred soil | pH 4-8 |
USDA Zone | Outside 10 – 11 |
Sunlight Exposure | Full sun, part shade |
Grown from | Seed (but that is slow), nursery transplant, stem cutting (but you have to root the stem) |
Unique fact: 2000 pounds of dried sea snail leaves are required to extract just 1 g of vinblastine.
Winter flowers
11. Cyclamen (Cyclamen hederifolium)
These small blue flowers are characterized by their long stems and twisted flowers that grow in shades of pink, red and white apart from the corresponding lavender color.
They have dark green, heart-shaped leaves and are often kept as potted plants over the winter (blooming from November to March). (Blue Flowers)
Plant size | 6-9” tall |
Preferred soil | Well-drained and slightly acidic |
USDA Zone | Outside 9 – 11 |
Sunlight Exposure | Part shade |
Grown from | Plant seedling (because growing it by seed would take 18 months to see the first result) |
Unique fact: They are fed to pigs to enhance the flavor of their meat.
12. Siberian Squill (Scilla siberica)
The Siberian Squill is easily recognizable because of its long pointed green leaves and dense bell-shaped blue flowers.
They fill your frozen garden with a “tasty” looking blue aura, but shouldn’t be considered edible :p
You should grow them outdoors and they look best when grown in series. It will have either five or six leaves. (Blue Flowers)
Plant size | 4-6 inches |
Preferred soil | Any pH |
USDA Zone | 2-8 |
Sunlight Exposure | Full or Partial |
Grown from | Bulbs |
Unique fact: The spread is difficult to stop, as it can become invasive and regrow from broken roots.
13. Viola (Viola)
There are more than 500 species of the cute Voila flower, some of which are blue in color. There are varieties even in blue colors:
Some have yellow spots, while others flaunt white and red patterns. They have a sweet smell and look exactly like the wings of a flying butterfly.
You can artistically complement it with different colors of the same flower. (Blue Flowers)
Plant size | 6-10 inches tall |
Preferred soil | Moist with a pH of 5-6 |
USDA Zone | 3-8 |
Sunlight Exposure | Full Sun or part shade |
Grown from | Seeds or seedling (don’t persist on buying ones that already have flowers; they will not transplant easily) |
Unique fact: They are edible and can be part of salads.
Flowers in Spring
14. Bellflower (Campanula)
We can easily confuse a bellflower with an artificial, fabric flower; edges are highlighted. The black bodies also look like lamp extensions.
These dark blue flowers with their distinctive bell shape can easily renew the beauty of your garden affected by the cold of winter.
This flower, which has more than 500 species, also has pink, purple and white colors.
Plant size | Depend on species |
Preferred soil | pH 6-8 |
USDA Zone | 3-9 |
Sunlight Exposure | Full Sun |
Grown from | Seed or stem cuttings |
Unique fact: There is a legend about Venus having a mirror that shows only beautiful things. One day he lost the mirror and sent Cupid to find it. After Cupid found the mirror, he accidentally dropped it and cut the bell-shaped flowers into many pieces, each growing from the ground.
15. Colorado Columbine (Aquillegia)
You can’t stop loving the columbine flower. The light blue flower grows on two levels:
The lower level leaves are blue, while the upper ones contain white petals with yellow carpets.
It belongs to the Ranunculaceae family and is commonly known as the Rocky Mountain Columbine. Like the periwinkle, it has five leaves.
Plant size | 20-22 inches tall |
Preferred soil | No special requirement |
USDA Zone | 3-8 |
Sunlight Exposure | Full sun to part shade |
Grown from | Seed or nursery seedling |
Unique fact: She received the Garden Merit Award for her exemplary talents.
16. Anemone (Anemone nemorosa)
Also called the “wind flower,” this flower spreads from spring to fall and comes in all shapes and sizes.
Some species have overlapping blue-violet flowers, while others have five to six petals each.
Anemones represent love and loyalty, so they can ideally be part of a blue flower bouquet for loved ones on special occasions like Anniversaries and Valentine’s Day.
Plant size | Depends on the variety (0.5-4 feet) |
Preferred soil | Slightly acidic to neutral |
USDA Zone | 5-10 |
Sunlight Exposure | Full sun and partial sun |
Grown from | Tubers |
Unique fact: The “wind flower” claims that the wind that opens the leaves will blow away the dead leaves, too.
17. Iris (Iris sibirica)
Iris is a wild-looking perennial herb with large blue flowers and is also called the “Blue Moon”. It is characterized by purple or white veins on the leaves and long, strong stems.
They can be grown at the edges of pools or ponds for endless effect. After all, everyone wants to highlight this part of the front yard!
Plant size | 2-3 feet |
Preferred soil | Slightly acidic |
USDA Zone | 3-8 |
Sunlight Exposure | Full sun and partial sun |
Grown from | Bulbs or seeds |
Unique fact: The roots of the iris contain its fragrance.
18. Brunnera (Brunnera macrophylla)
Brunnera are light blue flowers, contain five leaves, are small and slow growing.
You can mix and match the variegated leaves and other flowers that provide a nice ground cover.
You can also plant them along the borders of your garden fountains or along sunlit paths.
Plant size | 12-20 inches |
Preferred soil | No specific pH, moist soil |
USDA Zone | 3-9 |
Sunlight Exposure | Partial to full shade |
Grown from | Seed |
Unique fact: It is very similar to the forget-me-not flower.
19. Lungwort
If you are looking for navy blue flowers to brighten up the dark and shady corners of your garden, this flower is for you.
It grows in early spring when there are almost no other flowers.
You will notice tiny hairs on the leaves and stem of this plant, which tries to reduce water loss due to perspiration.
Plant size | 1 foot |
Preferred soil | Neutral to slightly alkaline |
USDA Zone | 4-8 |
Sunlight Exposure | Partial to full shade |
Grown from | Seed (will take 4-7 weeks to germinate), nursery transplants |
Unique fact: It is called “Soldiers and sailors” because its color changes from red to blue when opened.
Blue succulents:
It’s okay not to talk about succulents in a discussion about flowers.
Well, we are not normal!
To make this blog even more useful, we will also discuss the best types of blue succulents.
You can plant them in outdoor gardens or smaller versions in mini succulent pots.
20. Blue Chalksticks
You get why it’s called that: They look like long, bluish-green chalks. They can grow up to 18 inches and are a great ground cover.
If you plan to grow them in pots, sow the seeds when the weather is warm.
or if you want to grow it from cuttings, remove a leaf from the existing plant and let it shed before placing it in well-drained soil.
21. Echeveria or Blue Bird
The Blue Bird has an exquisite configuration like a rose and a lotus. The subtle pink color on the edges of the leaves pampers the eyes.
You can complement it with other succulents or similar in different hues.
They need filtered, bright sunlight to grow, but prolonged exposure to the sun can damage them.
Put them in an area that gets morning sunlight only initially, and switch to bright sunlight for the next week.
One of the biggest reasons its suitable nature is used as a houseplant is its non-toxic nature. Whether it is your babies or pets, it is not harmful to them.
22. Pachyvei or Jeweled Crown
This is another cute blue succulent flower that can be a part of your indoor pots and hanging baskets.
Green and blue leaves look charming in any corner of the house.
The jeweled crown does not care for full sun and can be kept outdoors in summer as well. It cannot withstand temperatures below 20 degrees.
Conclusion
We can go on for hundreds of “scrolls” because there are many more types left but we won’t.
Blue flowers are a great way to lift the liveliness of your outdoor or indoor container garden or even the corners of your home.
Visit our Gardening blogs for more information.