46 Most Popular Varieties of Blue Flower

staff Last modified on March 25, 2025

Blue flowers are one of the most fascinating and rare blooms in nature. These vibrant flowers exist in various shades that range from light blue to dark indigo and symbolize mystery, spirituality, tranquility, and love.

They bloom from early spring to late fall, keeping our gardens and environment vibrant all year long. Their year-round bloom period enables us to use them in the form of bouquets and floral arrangements for different occasions like weddings, birthdays, and even funerals throughout the year.

The List

These flowers occur in various sizes and either exist as a solitary bloom or in clusters. The table given below provides a representation of the distinct traits of some popular blue flowers.

Name	Scientific Name	Plant Type	Size**	Shade	Blooming Season	Growth Requirements
Common Bluebell	Hyacinthoides non-scripta	Perennial	Small	Violet-blue	Spring	Soil: Moist, well-drained, sandy, clay, loamy Sunlight: Partial shade USDA Zone: 4 to 9
Blue Iris	Iris spuria	Perennial	Medium to Big	Violet-blue	Late spring to summer	Soil: Moist, well-drained, loamy, sandy, clay Sunlight: Full sun to partial shade USDA Zone: 3 to 9
Eastern Bluestar	Amsonia tabernaemontana	Perennial	Small	Pale blue	Spring to summer	Soil: Moist, well-drained, loamy, sandy Sunlight: Full sun to partial shade USDA Zone: 3 to 9
Flat Sea Holly	Eryngium planum	Perennial	Small	Metallic blue	Summer	Soil: Well-drained, sandy, loamy Sunlight: Full sun USDA Zone: 4 to 8
Great Blue Lobelia	Lobelia siphilitica	Perennial	Small	Bright blue	Late summer to fall	Soil: Moist, well-drained, chalky, loamy, clay, sandy Sunlight: Full sun to partial shade USDA Zone: 4 to 9
Wild Blue Phlox	Phlox divaricata	Perennial	Small to medium	Lavender-blue	Late spring to summer	Soil: Moist, well-drained, loamy, sandy, clay Sunlight: Partial shade to full shade USDA Zone: 3 to 8
Cornflower	Centaurea cyanus	Annual	Small	Intense blue	Summer	Soil: Moist, well-drained, loamy, sandy Sunlight: Full sun and partial shade USDA Zone: 2 to 11
Himalayan Blue Poppy	Meconopsis betonicifolia	Perennial	Big	Pale blue	Late spring to summer	Soil: Moist, well-drained clay, loam Sunlight: Partial shade to full shade USDA Zone: 5 to 7
Balloon Flower	Platycodon grandiflorus	Perennial	Medium	Violet blue	Summer	Soil: Moist, well-drained, loamy Sunlight: Full sun to partial shade USDA Zone: 3 to 8
Blue Daze	Evolvulus glomeratus	Perennial	Small	Bright blue	Summer to fall	Soil: Moist, well-drained, sandy, loamy Sunlight: Full sun USDA Zone: 8 to 11
Wood Forget-Me-Not	Myosotis sylvatica	Perennial	Small	Sky blue	Spring to summer	Soil: Moist, well-drained, loamy, clay Sunlight: Full sun to partial shade USDA Zone: 3 to 8
Mexican Morning Glory	Ipomoea tricolor	Annual, Perennial	Small to Medium	Sky blue	Summer to fall	Soil: Moist,well-drained, sandy, loamy Sunlight: Full sun USDA Zone: 2 to12
Azure Blue Sage	Salvia azurea	Perennial	Small	Sky blue	Summer to fall	Soil: Moist, well-drained sandy, loamy Sunlight: Full sun to partial shade USDA Zone: 5 to 9
Stemless Gentian	Gentiana acaulis	Perennial	Medium	Intense blue	Late spring to summer	Soil: Moist, well-drained, loamy, sandy Sunlight: Full sun to partial shade USDA Zone: 3 to 7
Spiked Speedwell	Veronica spicata	Perennial	Small	Bluish purple	Late spring to summer	Soil: Moist, well-drained, loamy Sunlight: Full sun USDA Zone: 3 to 8
Candle Larkspur	Delphinium elatum	Perennial	Small	Intense blue	Summer	Soil: Well-drained, loamy Sunlight: Full sun USDA Zone: 3 to 7
Blue Flax	Linum perenne var. lewisii	Perennial	Medium	Pale blue	Spring to summer	Soil: Dry, well-drained, sandy Sunlight: Full sun to partial shade USDA Zone: 3 to 9
Butterfly Blue Pincushion*	Scabiosa columbaria ‘Butterfly Blue’	Perennial	Medium	Lavender- blue	Spring to fall	Soil: Well-drained, moist, loamy, sandy Sunlight: Full sun to partial shade USDA Zone: 3 to 9
Texas Bluebonnet	Lupinus texensis	Annual	Small	Intense blue	Spring	Soil: Dry, well-drained, clay, loamy Sunlight: Full sun USDA Zone: 4 to 8
Blue Mistflower	Conoclinium coelestinum	Perennial	Small	Bluish purple	Late summer to fall	Soil: Moist, well-drained, loamy, clay, sandy Sunlight: Full sun to partial shade USDA Zone: 5 to 10
Baby Blue Eyes	Nemophila menziesii	Annual	Medium	Bright blue	Fall to summer	Soil: Fertile, moist, well-drained, loamy, Sunlight: Full sun to partial shade USDA Zone: 8 to 10
Blue Orchid or Blue Vanda	Vanda coerulea	Perennial	Big	Bluish purple	Fall	Soil: Fertile, loose, well-drained Sunlight: Full sun to partial shade USDA Zone:10 to 12
Blue Pea	Clitoria ternatea	Perennial	Medium	Intense blue	Summer to fall	Soil: Moist, well-drained, clay, loamy, sandy Sunlight: Full sun USDA Zone: 10 to 12
Flossflower	Ageratum houstonianum	Annual	Small	Bluish purple	Summer to late fall	Soil: Moist, well-drained, loamy Sunlight: Full sun to partial shade USDA Zone: 2 to 11
Chilean Blue Crocus	Tecophilaea cyanocrocus	Perennial	Small	Intense blue	Spring	Soil: Well-drained, sandy Sunlight: Full sun to partial shade USDA Zone: 9 to 10
Blue Bird Of Paradise	Strelitzia reginae	Perennial	Big	Bluish purple	Late fall to late spring	Soil: Well-drained, loamy Sunlight: Full sun USDA Zone: 10 to 12
Blue Jade Flower (Jade vine)	Strongylodon macrobotrys	Perennial	Big	Turquoise to blue-green	Spring to summer	Soil type: Moist, well-drained, loamy Sunlight: Full sun to partial shade USDA Zone: 10 to 12
Garden Pansy	Viola × wittrockiana	Biennial, grown as Annual	Medium	Intense blue	Winter to spring	Soil: Moist, well-drained, sandy, loamy, clay Sunlight: Full sun to partial shade USDA Zone: 6 to 10
Blue Lotus	Nymphaea caerulea	Perennial	Big	Violet blue	Late spring to summer	Soil – Moist, loamy, clay Sunlight – Full sun to part shade USDA zone – 10 to 12
Hortensia	Hydrangea#	Perennial	Small	Pale to intense blue	Spring to fall	Soil: Well-drained, moist, sandy, loamy Sunlight: Full sun to partial shade USDA Zone: 3 to 9
Swamp Leatherflower	Clematis crispa	Perennial	Medium	Pale blue to violet blue	Spring to early fall	Soil: Moist, well-drained, clay, loamy, sandy Sunlight: Full sun to partial shade USDA Zone: 6 to 9
Netted Iris	Iris reticulata	Perennial	Medium	Violet blue	Winter to early spring	Soil: Well-drained, moist, chalky, clay, sandy, loamy Sunlight: Full sun to partial shade USDA Zone: 5-9
Lily of The Nile	Agapanthus spp. (7 species)	Perennial	Small	Pale blue to bluish purple	Summer	Soil: Well-drained, moist, loamy, sandy Sunlight: Full sun to partial shade USDA Zone: 7 to 11
Skyblue Aster	Symphyotrichum oolentangiense	Perennial	Small	Lavender blue	Late summer to fall	Soil: Dry, well-drained, sandy, loamy Sunlight: Full sun to partial shade USDA Zone: 3 to 8
Blue-Lace Flower	Trachymene coerulea	Perennial	Medium	Lavender to sky blue	Summer	Soil: Well-drained, moist, sandy Sunlight: Full sun USDA Zone: 5 to 10
Narrow-Leaf Blue-Eyed-Grass	Sisyrinchium angustifolium	Perennial	Small	Violet blue	Spring to summer	Soil: Moist, well-drained, sandy, loamy Sunlight: Full sun to partial shade USDA Zone: 4 to 9
Common Blue Violet	Viola sororia	Perennial	Small	Violet blue	Spring to summer	Soil: Moist, well-drained, clay, loamy, sandy Sunlight: Full sun to partial shade USDA Zone: 3 to 9
Blue Daisy Bush	Felicia amelloides	Perennial, sometimes biennial	Medium	Bright blue	Summer to fall	Soil: Moist, well-drained, sandy, loamy Sunlight: Full sun USDA Zone: 9 to 11
Speckled Spur Flower	Plectranthus ciliatus	Perennial	Small	Pale blue	Late summer to fall	Soil: Moist, well-drained, loamy, sandy Sunlight: Partial shade USDA Zone: 10 to 11
Blueblossom	Ceanothus thyrsiflorus	Perennial	Small	Pale blue to intense blue	Spring to summer	Soil: Well-drained, moist, sandy, loam Sunlight: Full sun to partial shade USDA Zone: 7 to 9
Blue Dawn Flower	Ipomoea indica	Perennial	Medium	Lavender blue	Spring to fall	Soil: Well-drained, moist, loamy Sunlight: Full sun USDA Zone: 9 to 11
Blue Globe Onion	Allium caeruleum	Perennial	Small	Bright blue	Early summer	Soil: Well-drained, moist, chalky, sandy, loamy, clay Sunlight: Full sun to partial shade USDA Zone: 4 to 8
Blue Nasturtium Flower	Tropaeolum azureum	Perennial	Medium	Sky blue	Spring	Soil: Well-drained, moist, loamy, sandy Sunlight: Full sun to partial shade USDA Zone: 9 to 11
Blue Skyflower	Thunbergia grandiflora	Perennial	Medium	Lavender blue	Summer to fall	Soil: Moist, well-drained Sunlight: Full sun to partial shade USDA Zone: 8 to 11
Blue Tweedia Flower	Oxypetalum coeruleum	Perennial	Small to medium	Pale blue	Summer to fall	Soil: Well-drained, sandy, loamy, clay Sunlight: Full sun to partial shade USDA Zone: 10 to 11
Blue Thimble Flower	Gilia capitata	Annual	Small	Pale blue	Late spring to summer	Soil: Well-drained, dry sandy, loamy Sunlight: Full sun USDA Zone: 7 to 10

*Cultivars and varieties.
# Hydrangea species produce blue-colored flowers only when the soil is acidic.

Blue Flowers For Occasions

Their captivating beauty and deep symbolism make them a popular choice for various occasions. They bring a sense of calmness, serenity, and hope along with them.

Hydrangea and Delphinium have been widely used for wedding bouquets and floral arrangements.
Flowers such as blue iris and blue thistle are a common choice for funerals and memorials.
Blue-colored blooms are often paired with flowers of different colors, such as red, orange, white, pink, or gold, in floral arrangements for different occasions such as birthdays, anniversaries, formal events, or even spiritual ceremonies.

FAQ

Q.1. Which blue flower is the rarest in the world?

Ans. Puya × berteroniana, a natural hybrid, is the rarest blue flower in the world.

Q. 2. Why are blue flowers rare in nature?

Ans. The pigment delphinidin, which is responsible for blue coloration, is present in very few plants, which is why blue flowers are rare in nature.

Q.3. Are blue roses and blue dahlias naturally blue?

Ans. No, blue roses and blue dahlias are not naturally blue since they lack the pigment delphinidin. They are either dyed or genetically modified to appear blue.

Q. 4. What happens after ingesting a blue lotus flower?

Ans. The blue lotus flower is known to have psychoactive properties. After ingestion, it might induce a feeling of euphoria.

Q. 5. Which blue flowers are edible?

Ans. Blue flowers such as borage, cornflower, and butterfly pea, among others, are edible as they have wide culinary uses.

46 Most Popular Varieties of Blue Flower

The List

Blue Flowers For Occasions

FAQ

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