46 Most Popular Varieties of Blue Flower

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 year-round. 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. 

USDA ZoneAll23456789101112

Blooming SeasonAllWinterSpringSummerFallcombine

SunlightAllPartial shadeFull sun to partial shadeFull sun

SizeAllSmallMedium to BigBig

Plant TypeAllAnnualBiennialPerrenial

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

*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 popular 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 common 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