Search “Rarest flowers in the world,” and you would surely come across images of some blue-colored flowers.
What does this suggest?
That it is an uncommon color.
And rare “topics” tend to have less information on them.
Well, not anymore.
This blog would discuss 22 types of blue flowers with their unique feature, growing conditions, and images.
So, ready to give it a go!
Table of Contents
Blue Flower Meaning
The blue flower was a driving aspiration for the romanticism movement in Europe which resonated with the ideas of artistic and musical development in the world.
Blue, as a color, represents love, calmness, desire and the thrive to reach the pinnacle. The same idea is represented by blue flowers.
Although rare in number, they fight the harsh conditions of the weather and soil and grow to spread subtle beauty and serenity around the earth.
Before we start, it has to be stated that blue represents every shade from arctic to light blue, indigo and navy blue.
We will discuss flowers according to their respective bloom season along with its complete details, including the soil requirement, size, sunlight demand, USDA Zone e.t.c.
Flowers for Summer
1. Agapanthus (Agapanthus praecox)
Popularly known as the “African Lily”, these small, unique flowers are in fact, a large cluster of petals growing over a stalk. One cluster may include up to 80 violet flowers.
This perennial sprouts to life in late spring or early summer and can be grown in outdoor lawns or indoor containers both.
| 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 |
2. Himalayan Blue Poppy (Meconopsis betonicifolia)
We can’t let you get away without testing your gardening skills! If you claim to be an expert, we bet you to grow this flower.
Because of specific growing conditions due to its nativeness to the mountains of Tibet, it will be hard to grow.
It has large and soft petals with golden stamens. It’s another of those flowers that can populate your shady corners of the garden.
| 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 |
3. Blue Star (Amsonia)
No extra marks for guessing the shape of these flowers!
Like many other types discussed before, they grow in large clusters. As for the leaves, they are bright green in color and have an emphasized central rib.
They are not very difficult to grow and hence could easily be a part of your thriving lawn.
As they are light in color so can be paired magnificently with dark-colored flowers like Black Dahlia.
Grown fromSeed, nursery seedlings
| Plant size | 2 feet |
| Preferred soil | Neutral pH |
| USDA Zone | 5-11 |
| Sunlight Exposure | Full sun, part shade |
4. Cornflower (Centaurea cyanus)
Also referred to as Bluebottles and Bachelor’s Buttons, these beautiful annual dark blue flowers usually grow in cornfields.
Due to their wide base and a large number of stamens, bees and butterflies are largely attracted to it.
You can easily plant it in your gardens because of the low maintenance and survival abilities.
| 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 |
5. Morning Glory (Ipomoea)
The morning glory flower is a bright blue climber annual which has different meanings and symbolization.
Since this navy blue flower unveils in the morning, it indicates the soaking of sun rays.
Because it has a short life span, it is also associated with the dying nature of love. Some, on the other hand, regard it as a flower of love and care.
| Plant size | 6-12 feet |
| Preferred soil | Any |
| USDA Zone | 3-10 |
| Sunlight Exposure | Full sun |
| Grown from | Grown easily from seed |
Blue Flowers in Fall
6. Bluebeard (Caryopetirus)
Bluebeard plants or the Blue Mist Shrubs are shrubs that spring with small flowers that are clustered around the long stamens.
It gives off a Eucalyptus aroma when rubbed and blooms at the start of fall.
They attract hummingbirds and butterflies towards their petals but are otherwise resistant to pests.
They are great to be grown in a garden because they require less care and are tolerant to drought.
| 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 |
7. Larkspur (Delphinium)
With a long stalk bearing a series of blue blooms, Larkspur can magically enchant you garden in the fall season.
This is an annual species and needs a low temperature before germination.
They, like the Viola, can grow in varieties of blue and hence create pleasing combinations.
They symbolize lightheartedness and carefreeness and can be placed as accents in vases, baskets and blue flower bouquets.
All parts of this plant are poisonous, so it should not be grown in the garden where kids or animals are easily accessible.
| 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 |
8. Blue Daisy (Felicia amelloides)
How can one expect any discussion of flowers without the mention of daisies!
Blue daisies are light blue flowers and have those characteristic long, thin petals but a yellow center.
They are easy to grow and require little maintenance; hence, a favorite of many gardeners. Some basic gardening equipment and you are good to go!
| 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) |
9. Veronica (Veronica spicata)
This wild blue plant is similar to the Larkspur with long stalks and blue flowers.
It is originally from Europe and is preferred by gardeners for its enhanced resistance to harsh climate and soil conditions.
It is called spiked speedwell commonly and is a type of line flowers (which gives bouquets height).
They can be paired with focal flowers in vases and containers inside the house.
| 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 |
10. Madagascar Periwinkle (Catharanthus roseus)
These tiny blue-purple flowers bloom with five petals and are known for their creeping capabilities. Their leaves are dark green in color, and they can sprawl anywhere.
If you want a quick ground cover, this is the flower 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) |
Winter flowers
11. Cyclamen (Cyclamen hederifolium)
These small blue flowers are characterized by long stems and twisted flowers that grow in shades of pink, red and white other than the relevant color of lavender.
They have dark green, heart-shaped leaves and are usually kept as potted houseplants in winters (bloom from November to March)
| 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) |
12. Siberian Squill (Scilla siberica)
The Siberian Squill is easily identified due to its long-pointy green leaves and bell-shaped intense blue flowers.
They would replenish your frozen garden yard with a flair of ‘deliciously’ looking blue, although it shouldn’t be treated as edible :p
You should grow it outdoors and they look the most amazing when grown in series. It will either have five or six petals.
| Plant size | 4-6 inches |
| Preferred soil | Any pH |
| USDA Zone | 2-8 |
| Sunlight Exposure | Full or Partial |
| Grown from | Bulbs |
13. Viola (Viola)
There are over 500 species of the cute Voila flower, among which some are blue in color. Even in blue colors, varieties exist:
Some have yellow patches while others flaunt with white and red patterns. They have a sweet scent and looks exactly like the wings of a flying butterfly.
You can complement them artistically with different colors of the same flower.
| 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) |
Flowers in Spring
14. Bellflower (Campanula)
One could easily mistake a bellflower for an artificial, fabric-constructed flower; such are its edges emphasized. The black stems also look like lamp extensions.
These dark blue flowers with a distinctive bell shape can easily replenish your yard’s beauty which gets hit by winter coldness.
There are more than 500 species of this flower and also grow in colors of pink, violet and white.
| Plant size | Depend on species |
| Preferred soil | pH 6-8 |
| USDA Zone | 3-9 |
| Sunlight Exposure | Full Sun |
| Grown from | Seed or stem cuttings |
15. Colorado Columbine (Aquillegia)
You simply can’t stop loving Columbine flower. The light blue flower grows in two levels:
The petals on the lower level are blue while the upper one contains white petals with yellow carpels.
It belongs to the Ranunculaceae family and is commonly known as the Rocky Mountain Columbine. Like the Periwinkle, it also contains five petals.
| 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 |
16. Anemone (Anemone nemorosa)
Also called as “wind flower”, this bloom springs from spring to fall and comes in all shapes and sizes.
Some species have overlapping blue-purple flowers, while others have five to six petals each.
Anemones represent love and loyalty, thus it could ideally be a part of blue flower bouquet for your loved ones on special occasions like Anniversaries and Valentines.
| 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 |
17. Iris (Iris sibirica)
Iris is a herbaceous perennial with wild-looking, big blue flowers are also called “Blue Moon”. It is characterized by purple or white veins on the petals and long, strong stalks.
They can be grown on sides of pools or ponds for an everlasting impact. After all, everyone wants to accentuate 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 |
18. Brunnera (Brunnera macrophylla)
Brunnera is light blue flowers, contains five petals, is tiny in size, and grows slowly.
With variegated leaves that provide a nice ground cover, you can mix and match other flowers with it.
You can also plant them along the boundaries of your garden fountains or along the pathways with solar flame lights.
| 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 |
19. Lungwort
If you are looking for dark blue flowers to brighten up your dark and shady corners of the garden, this is the flower for you.
It grows in early spring when there are barely any other flowers.
You would notice tiny hair on the leaves and stem of this plant which is an effort to reduce water loss due to transpiration.
| 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 |
Blue succulents:
It’s normal not to talk about succulents in a discussion of flowers.
Well, we are no normal!
To make this blog even more helpful, we will discuss the top types of blue succulents as well.
You can plant them in outdoor yards or smaller versions of them in mini succulent pots.
20. Blue Chalksticks
You see why they are called as such: They look like long, bluish-green chalks. They can grow as long as 18 inches and are a great ground cover.
If you are planning to grow it in a container, sow seeds when the temperature is warm,
or if you want to grow it from cuttings, remove a leaf from the existing plant and allow it to callous before inserting in well-drained soil.
21. Echeveria or Blue Bird
The Blue Bird has an exquisite configuration like a rose and lotus. The subtle pink hue in the edges of the petals is a treat to the eyes.
You can complement it with other succulents of variable shades or similar ones.
They require filtered, bright sunlight to grow, however long exposure to the sun can harm them.
Put them in an area that receives morning sunlight only at the start and shift to bright sunlight over the course of next week.
One of the biggest reason of its fitting nature to be used as a house plant is its non-toxic nature. Whether you have 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 plant pots and hanging baskets.
The green and blue petals look ravishing in any corner of the house.
Jeweled crown doesn’t mind a full sun and can be kept outdoors in summer as well. It can not handle temperatures below 20 degrees.
Conclusion
We could go on for hundreds of “scrolls” because there are many other types left but we won’t.
Blue blooms is a superb way of lifting the vibrancy of your outdoor or indoor container garden and even the corners of your house.
Visit our Gardening blogs for more grasping information.