Dive into Nature: Discover 101 Types of Blue Flowers (2024)

Have you ever wondered about the mesmerizing world ofblue flowers? Just like a vast, azure sea stretching to the horizon, nature has gifted us with an array ofblue bloomsthat can enchant anyone with their beauty. So, grab your gardening gloves and get ready to dive into the enchanting realm ofblue flowers, where hues of cerulean, sapphire, and cobalt come together to create a visual masterpiece.

Blue flowerssymbolize serenity, peace, and openness. Theirblue pigmentsevoke a sense of calmness, making them perfect for creating a tranquil atmosphere in your garden. Whether you’re a seasoned gardener or just starting, havingblue flowersin your garden can transform it into a serene oasis.

1. Blue Hydrangea(Hydrangea macrophylla)

• Botanical Name:Hydrangea macrophylla
• Hardiness Zones: 5-9 (USDA)
• Plant Type: DeciduousShrub
• Sun Exposure:Partial Shade

Blue Hydrangeasare known for their large, fluffy clusters ofblue flowers. They prefer acidic soil and thrive inpartial shade. Prune them after flowering to encourage new growth.

2. Morning Glory(Ipomoea purpurea)

• Botanical Name: Ipomoea purpurea
• Hardiness Zones: 2-11 (USDA)
• Plant Type:AnnualVine
• Sun Exposure:Full Sun

Morning Glory vines produce vibrant blue, funnel-shaped flowers. They are easy to grow and climb, making them perfect for trellises. They bloom profusely infull sun.

3. Gentian (Gentiana)

• Botanical Name:Gentiana
• Hardiness Zones: 3-8(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Gentian flowers aredeep blueand trumpet-shaped. They thrive in moist,well-drained soil. Gentians are often used in herbal medicine for their bitter roots.

4. Balloon Flower(Platycodon grandiflorus)

• Botanical Name:Platycodon grandiflorus
• Hardiness Zones: 3-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Balloon Flowersare named for theirballoon-likebuds, which burst open into star-shapedblue blooms. They are low-maintenance and make excellent cut flowers.

5. Bluebell(Hyacinthoides non-scripta)

• Botanical Name:Hyacinthoides non-scripta
• Hardiness Zones: 3-8(USDA)
• Plant Type: BulbousPerennial
• Sun Exposure:Partial Shadeto FullShade

Bluebellsare delicate, bell-shaped flowers that form in drooping clusters. They prefer woodland settings and naturalize well.Bluebellsare excellent for shaded gardens.

6. Blue Sage (Salvia azurea)

• Botanical Name:Salvia azurea
• Hardiness Zones: 5-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Sage produces tall spikes of sky-blue flowers. It attractsbutterfliesandbeesand isdrought-tolerantonce established. Pruning after flowering encourages bushier growth.

7. Delphinium (Delphinium)

• Botanical Name:Delphinium
• Hardiness Zones: 3-7(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Delphiniums are tall, elegant plants with spikes of densely packed, vividblue flowers. They require staking for support andwell-drained soil. Regular deadheading prolongs blooming.

8. Blue Daisy (Felicia amelloides)

• Botanical Name:Felicia amelloides
• Hardiness Zones: 8-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Daisies have brightblue petalssurrounding ayellowcenter. They aredrought-tolerantand attractbeesandbutterflies. They make charming additions to rock gardens.

9. Blue Fescue Grass (Festuca glauca)

• Botanical Name:Festuca glauca
• Hardiness Zones: 4-8(USDA)
• Plant Type: Ornamental Grass
• Sun Exposure:Full Sun

Blue Fescue Grass forms compact mounds of fine, blue-grayfoliage. It’s ideal for edging, ground cover, or container planting. Trim back in early spring to rejuvenate growth.

10. Blue Lobelia (Lobelia siphilitica)

• Botanical Name:Lobelia siphilitica
• Hardiness Zones: 4-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Lobelia bears spires of intenseblue flowerson uprightstems. It thrives in moist soil and is perfect for rain gardens. Regular watering ensures prolonged blooming.

11. Blue Passion Flower (Passiflora caerulea)

• Botanical Name:Passiflora caerulea
• Hardiness Zones: 6-9(USDA)
• Plant Type: Vine
• Sun Exposure:Full SuntoPartial Shade

Blue Passion Flowers are exotic climbers with intricate blue and white blooms. They thrive in warm climates and attract hummingbirds. Plant in a sunny spot and provide support for climbing.

12. Blue Columbine (Aquilegia coerulea)

• Botanical Name:Aquilegia coerulea
• Hardiness Zones: 3-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Partial ShadetoFull Sun

Blue Columbines feature unique spurred petals and are excellent for woodland gardens. They preferpartial shadeandwell-drained soil. Deadhead spent flowers for prolonged blooming.

13. Himalayan Blue Poppy(Meconopsis betonicifolia)

• Botanical Name:Meconopsis betonicifolia
• Hardiness Zones: 7-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Partial Shade

Himalayan Blue Poppiesboast large, sky-blue bloomson tallstems. They require cool, moist conditions andwell-drained soil. Protect from hot afternoon sun for best results.

14. Blue African Lily (Agapanthusafricanus)

• Botanical Name:Agapanthus africanus
• Hardiness Zones: 6-10(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue African Lilies produce globe-shaped clusters ofblue flowersatop long, slenderstems. They aredrought-tolerantand thrive in containers or garden beds. Divide clumps for propagation.

15. BluebellVine (Sollya heterophylla)

• Botanical Name:Sollya heterophylla
• Hardiness Zones: 9-11(USDA)
• Plant Type: Vine
• Sun Exposure:Full SuntoPartial Shade

BluebellVines are evergreen climbers with star-shapedblue flowers. They require a sunny spot andwell-drained soil. Prune lightly after flowering to maintain shape.

16. Blue Flax (Linum perenne)

• Botanical Name:Linum perenne
• Hardiness Zones: 5-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Flax bears delicate, sky-blue flowerson slenderstems. It’sdrought-tolerantand thrives in sandy or rocky soil. Deadhead regularly to encourage continuous blooming.

17. Blue Daisy Bush(Brachyglottis‘Sunshine’)

• Botanical Name:Brachyglottis‘Sunshine’
• Hardiness Zones: 8-11(USDA)
• Plant Type:Shrub
• Sun Exposure:Full Sun

Blue Daisy Bush is a compactshrubwith silver-bluefoliageand daisy-likeblue flowers. It’s salt-tolerant and excellent for coastal gardens. Prune lightly to maintain shape.

18. Blue Leadwort (Ceratostigma plumbaginoides)

• Botanical Name:Ceratostigma plumbaginoides
• Hardiness Zones: 5-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Leadwort forms low mounds of greenfoliagethat turn deep red in fall. Brightblue pigmentflowers appear in late summer. It’sdrought-tolerantonce established and great for ground cover.

19. Blue Water Lily (Nymphaea caerulea)

• Botanical Name:Nymphaea caerulea
• Hardiness Zones: 9-11(USDA)
• Plant Type: AquaticPerennial
• Sun Exposure:Full Sun

Blue Water Lilies have large, floatingblue flowerswith a sweet fragrance. They thrive in still, sunny water and are a stunning addition to ponds or water features.

20. Blue Evening Primrose (Oenothera speciosa)

• Botanical Name:Oenothera speciosa
• Hardiness Zones: 5-10(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Evening Primrose bears saucer-shaped, sky-blue flowersthat open in the evening. It’sdrought-tolerantand spreads readily, making it ideal for naturalizing in wildflower gardens.

21. Blue Lily (Agapanthusorientalis)

• Botanical Name:Agapanthusorientalis
• Hardiness Zones: 7-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Lilies showcase globular clusters ofblue flowerson tall stalks. They are low-maintenance and thrive in containers or garden borders. Providewell-drained soilfor optimal growth.

22. Blue Star Flower (Amsonia tabernaemontana)

• Botanical Name:Amsonia tabernaemontana
• Hardiness Zones: 3-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Star Flowers, known as blue icebluestar, feature star-shapedblue bloomsand slenderleaves. They aredeer-resistantand attractbutterflies. They thrive in moist,well-drained soil.

23. Blue Throatwort (Trachelium caeruleum)

• Botanical Name:Trachelium caeruleum
• Hardiness Zones: 5-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Throatwort bears small, clusteredblue flowerson sturdystems. It’s excellent for cutting and lasts well in bouquets. It prefers rich, moist soil.

24. Blue Vervain (Verbena hastata)

• Botanical Name:Verbena hastata
• Hardiness Zones: 3-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Vervain has spikyblue flowersand lance-shapedleaves. It’s a favorite of pollinators and thrives in damp soil. It’s a natural choice for rain gardens.

25. Blue Wild Indigo (Baptisia australis)

• Botanical Name:Baptisia australis
• Hardiness Zones: 3-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Wild Indigo, also known asBlue False Indigo, boasts tall spikes of blue pea-like flowers and blue-greenfoliage. It’sdrought-tolerantand adds a unique architectural element to gardens.

26. Blue Fan Flower (Scaevola aemula)

• Botanical Name:Scaevola aemula
• Hardiness Zones: 9-11(USDA)
• Plant Type:AnnualorPerennial(depending on region)
• Sun Exposure:Full SuntoPartial Shade

Blue Fan Flower has fan-shapedblue petalsand a trailing habit, making it ideal for hanging baskets and containers. It blooms profusely throughout the season.

27. Blue Woodruff (Asperula orientalis)

• Botanical Name:Asperula orientalis
• Hardiness Zones: 5-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Partial Shade

Blue Woodruff produces tiny, fragrantblue flowersand forms a dense ground cover. It’s perfect for shaded areas andwell-drained soil. The flowers are often used in herbal teas.

28. Blue My Mind® Evolvulus (Evolvulus glomeratus)

• Botanical Name:Evolvulus glomeratus
• Hardiness Zones: 9-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue My Mind® Evolvulus is a low-growing plant with sky-blue flowersand silver-greenfoliage. It’s heat-tolerant and forms a beautiful carpet of blue in sunny gardens.

29. Blue Devil (Eryngium planum)

• Botanical Name:Eryngium planum
• Hardiness Zones: 3-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Devil, also known as Sea Holly, features spikyblue flowersand thistle-likefoliage. It’s adrought-tolerantplant that adds texture and interest to gardens and floral arrangements.

30. Blue-Eyed Grass (Sisyrinchium angustifolium)

• Botanical Name:Sisyrinchium angustifolium
• Hardiness Zones: 4-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue-Eyed Grass has slender,iris-likeleavesand blue, star-shaped flowers. Despite its name, it’s not a true grass. It’s excellent for edging and naturalizing in gardens.

31. Blue Thimble Flower (Gilia capitata)

• Botanical Name:Gilia capitata
• Hardiness Zones: 3-9(USDA)
• Plant Type:Annual
• Sun Exposure:Full Sun

Blue Thimble Flower, also called Globe Gilia, produces spherical clusters ofblue flowersresembling thimbles. It’sdrought-tolerantand thrives inwell-drained soil. Perfect for wildflower gardens.

32. Blue Daisy Bush (Cineraria maritima)

• Botanical Name:Cineraria maritima
• Hardiness Zones: 9-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Daisy Bush has silvery-bluefoliageand small, daisy-likeblue flowers. It’s excellent for borders and rock gardens. Prune to maintain a compact shape.

33. Blue Corydalis (Corydalis flexuosa)

• Botanical Name:Corydalis flexuosa
• Hardiness Zones: 5-8(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Corydalis bears clusters of tubular, sky-blue flowers. It prefers cool, moist conditions andpartial shade. It’s a delightful addition to woodland gardens.

34. Blue Leadwort (Plumbago auriculata)

• Botanical Name:Plumbago auriculata
• Hardiness Zones: 9-11(USDA)
• Plant Type:Shrub
• Sun Exposure:Full Sun

Blue Leadwort is a sprawlingshrubwith clusters of sky-blue flowers. It’sdrought-tolerantand attractsbutterflies. Prune to maintain shape and encourage bushier growth.

35. Blue Jacaranda (Jacaranda mimosifolia)

• Botanical Name:Jacaranda mimosifolia
• Hardiness Zones: 10-11(USDA)
• Plant Type: Tree
• Sun Exposure:Full Sun

Blue Jacaranda is a stunning tree with fern-likeleavesand abundant clusters of lavender-blue flowers. It adds a tropical touch to landscapes and thrives in warm climates.

36. Blue Gilia (Gilia achilleifolia)

• Botanical Name:Gilia achilleifolia
• Hardiness Zones: 3-10(USDA)
• Plant Type:Annual
• Sun Exposure:Full Sun

Blue Gilia produces delicate, azure-blue flowerson slenderstems. It’s easy to grow from seeds and attracts pollinators. It’s a charming addition to meadows and cottage gardens.

37. Blue Fan Sage (Salvia patens)

• Botanical Name:Salvia patens
• Hardiness Zones: 8-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Fan Sage has velvety,deep blueflowers and aromaticfoliage. It’sdrought-tolerantand attracts hummingbirds andbees. Prune after flowering to encourage bushy growth.

38. Blue Coneflower (Echinacea purpurea)

• Botanical Name:Echinacea purpurea
• Hardiness Zones: 3-8(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Coneflower has purple-blue petalsand a central cone. It’s a favorite ofbutterfliesandbees. It’s a medicinal plant known for its immune-boosting properties.

39. Blue Pea Vine (cl*toria ternatea)

• Botanical Name: cl*toria ternatea
• Hardiness Zones: 9-11(USDA)
• Plant Type: Vine
• Sun Exposure:Full SuntoPartial Shade

Blue Pea Vine has striking indigo-blue flowersand fern-likefoliage. It’s used in traditional medicine and culinary dishes. It requires support for climbing.

40. Blue Mink (Ageratum houstonianum)

• Botanical Name:Ageratum houstonianum
• Hardiness Zones: 2-11(USDA)
• Plant Type:Annual
• Sun Exposure:Full SuntoPartial Shade

Blue Mink, also known as Floss Flower, displays fluffy clusters of small, powder-blue flowers. It blooms profusely and is excellent for borders, containers, and mass plantings.

41. Blue Sage or Mealy Cup Sage (Salvia farinacea)

• Botanical Name:Salvia farinacea
• Hardiness Zones: 8-10(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Sage, or Mealy Cup Sage, features spikyblue flowerson uprightstems. It’s a magnet forbeesandbutterfliesand is perfect for dry, sunny gardens.

42. Blue Thistle (Echinops ritro)

• Botanical Name:Echinops ritro
• Hardiness Zones: 3-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Thistle has spherical, steel-blue flowerssurrounded by spiky bracts. It’s a favorite in dried flower arrangements and adds a touch of wild beauty to gardens.

43. Blue Cone Ginger (Costus woodsonii)

• Botanical Name:Costus woodsonii
• Hardiness Zones: 10-12(USDA)
• Plant Type: TropicalPerennial
• Sun Exposure:Partial Shadeto FullShade

Blue Cone Ginger showcases blue, cone-shaped bracts with white flowers peeking out. It’s a tropical plant that adds an exotic flair to shaded gardens.

44. Blue Plumbago (Plumbago auriculata)

• Botanical Name:Plumbago auriculata
• Hardiness Zones: 9-11(USDA)
• Plant Type:Shrub
• Sun Exposure:Full SuntoPartial Shade

Blue Plumbago is a sprawlingshrubwith clusters of sky-blue flowers. It’sdrought-tolerantand attractsbutterflies. Prune to maintain shape and encourage bushier growth.

45. Blue Daisy (Felicia amelloides)

• Botanical Name:Felicia amelloides
• Hardiness Zones: 8-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Daisies have brightblue petalssurrounding ayellowcenter. They aredrought-tolerantand attractbeesandbutterflies. They make charming additions to rock gardens.

46. Blue Flax Lily (Dianella tasmanica)

• Botanical Name:Dianella tasmanica
• Hardiness Zones: 7-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Flax Lily features slender blue-greenleavesand small, star-shapedblue flowers. It’s a versatile plant, ideal for borders, mass plantings, or ground cover.

47. Blue Star Creeper (Isotoma fluviatilis)

• Botanical Name:Isotoma fluviatilis
• Hardiness Zones: 5-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Star Creeper forms a dense mat of tiny,blue flowersand bright greenfoliage. It’s excellent for filling gaps in pathways, between stepping stones, or cascading over walls.

48. Blue Bamboo (Dendrocalamus strictus)

• Botanical Name:Dendrocalamus strictus
• Hardiness Zones: 8-11(USDA)
• Plant Type: Clumping Bamboo
• Sun Exposure:Full SuntoPartial Shade

Blue Bamboo has powdery blue culms and lush greenfoliage. It’s a fast-growing bamboo variety that adds a touch of elegance and privacy to gardens and landscapes.

49. Blue Dune Lyme Grass (Leymus arenarius)

• Botanical Name:Leymus arenarius
• Hardiness Zones: 3-9(USDA)
• Plant Type:PerennialGrass
• Sun Exposure:Full SuntoPartial Shade

Blue Dune Lyme Grass has blue-greenfoliagethat sways gracefully in the breeze. It’s salt-tolerant and thrives in coastal gardens. It also helps prevent soil erosion.

50. BlueGlobe Thistle(Echinops bannaticus)

• Botanical Name:Echinops bannaticus
• Hardiness Zones: 3-8(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

BlueGlobe Thistleshowcases striking steel-blue spherical blooms atop tallstems. Thisdrought-tolerantanddeer-resistantplant is excellent for cottage gardens, providing a touch of wild beauty.

51. Blue Porterweed (Stachytarpheta jamaicensis)

• Botanical Name:Stachytarpheta jamaicensis
• Hardiness Zones: 9-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Porterweed features clusters of tinyblue flowerson slender spikes. Attractive tobutterfliesandbees, it adds a tropical allure to gardens. Low-maintenance, it thrives in sunny conditions.

52. Blue Pimpernel (Anagallis monelli)

• Botanical Name:Anagallis monelli
• Hardiness Zones: 7-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Pimpernel displays delicate sky-blue flowerswith ayellowcenter. Ideal for rock gardens and edging, it thrives inwell-drained soil, blooming profusely in spring and summer.

53. Blue Rock Cress (Aubrieta deltoidea)

• Botanical Name:Aubrieta deltoidea
• Hardiness Zones: 4-7(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Rock Cress forms a colorful ground cover with vividblue flowers, cascading gracefully over walls and rocks. Perfect for alpine gardens and rocky landscapes, it adds charm and vibrancy.

54. Blue Hibiscus (Alyogyne huegelii)

• Botanical Name:Alyogyne huegelii
• Hardiness Zones: 9-11(USDA)
• Plant Type:Shrub
• Sun Exposure:Full Sun

Blue Hibiscus features large blue to purple flowers with a prominent central stamen.Drought-tolerantand vibrant, it adds a tropical touch to gardens, enhancing their visual appeal.

55. Blue Dahlia (Dahlia spp.)

• Botanical Name:Dahlia spp.
• Hardiness Zones: 7-11(USDA)
• Plant Type: TuberousPerennial
• Sun Exposure:Full Sun

Blue Dahlias come in variousshades, from powder blue to deep indigo, adding elegance to flower beds and bouquets. Tall varieties need support to prevent flopping, ensuring their beauty stands tall.

56. Blue Puya (Puya coerulea)

• Botanical Name:Puya coerulea
• Hardiness Zones: 8-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Puya showcases spiky blue-greenleavesand tall flower spikes with brightblue blooms. Unique and exotic, it’s ideal for arid gardens and xeriscapes, providing a distinctive focal point.

57. Cornflower(Centaurea cyanus)

• Botanical Name:Centaurea cyanus
• Hardiness Zones: 2-11(USDA)
• Plant Type:Annual
• Sun Exposure:Full Sun

Cornflowers, with their brilliant azure petals, add a touch of classic charm to gardens. They are easy to grow and attractbeesandbutterflies. Perfect for wildflower meadows and cottage gardens.

58. Grape Hyacinth(Muscari)

• Botanical Name:Muscarispp.
• Hardiness Zones: 3-9(USDA)
• Plant Type: BulbousPerennial
• Sun Exposure:Full SuntoPartial Shade

Grape Hyacinthsfeature compact spikes of small, cobalt-blue flowersresembling tiny grapes. They naturalize easily and make delightful additions to rock gardens and under deciduous trees.

59. Forget-Me-Nots(Myosotis)

• Botanical Name:Myosotisspp.
• Hardiness Zones: 3-9(USDA)
• Plant Type:AnnualorPerennial(depending on species)
• Sun Exposure:Full SuntoPartial Shade

Forget-Me-Notsare delicate, sky-blue flowerswithyellowcenters. They symbolize true love and loyalty. These woodland plants thrive in moist, shaded areas, making them ideal for shaded borders and woodland gardens.

60. Love-in-a-Mist(Nigella damascena)

• Botanical Name:Nigella damascena
• Hardiness Zones: 2-11(USDA)
• Plant Type:Annual
• Sun Exposure:Full SuntoPartial Shade

Nigella damascena, also known asLove-in-a-Mist, features finely cutleavesand star-shaped, sky-blue flowerssurrounded by amistof delicatefoliage. They self-sow readily, creating a charming, natural look in gardens.

61. Siberian Bugloss (Brunnera macrophylla)

• Botanical Name:Brunnera macrophylla
• Hardiness Zones: 3-8(USDA)
• Plant Type:Perennial
• Sun Exposure: FullShadetoPartial Shade

Brunnera macrophyllashowcases heart-shapedleavesand small, brightblue flowersresemblingforget-me-nots. Thisshade-lovingperennialadds elegance and color to woodland gardens and shaded borders.

62. Perennial Geranium‘Johnson’s Blue’ (Geranium spp.)

• Botanical Name:Geranium spp.
• Hardiness Zones: 4-8(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Perennial Geranium‘Johnson’s Blue’ features saucer-shaped, vividblue flowersabove deeply cutfoliage. It blooms profusely in spring and summer, attractingbutterflies. Ideal for borders and cottage gardens.

63. Lily of the Nile(Agapanthus africanus)

• Botanical Name:Agapanthus africanus
• Hardiness Zones: 6-11(USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Lily of the Niledisplays clusters of trumpet-shaped,blue flowerson tall stalks. It’s a low-maintenance plant, perfect for borders and containers. It adds a touch of exotic beauty to gardens.

64. Azure Aster (Aster azureus)

• Botanical Name:Aster azureus
• Hardiness Zones: 3-8(USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Aster azureusfeatures daisy-like, lavender-blue flowerswithyellowcenters. It’s a late-season bloomer, providing a burst of color in fall gardens.Butterfliesadore itsnectar-rich blooms. These flowers will bloom from late summer up until thefirst frostof the year.

65. Bachelor’s Button (Centaurea cyanus)

• Botanical Name:Centaurea cyanus
• Hardiness Zones: 2-11(USDA)
• Plant Type:Annual
• Sun Exposure:Full Sun

Bachelor’s Button, orCornflower, has vibrantblue petalsand a contrastingyellowcenter. It’s a popular cut flower and attractsbeesandbutterflies. It thrives in poor soil, making it suitable for wildflower gardens.

66. Virginia Bluebells(Mertensia virginica)

• Botanical Name:Mertensia virginica
• Hardiness Zones: 3-8
• Plant Type:Perennial
• Sun Exposure: FullShadetoPartial Shade

Virginia Bluebellsfeature drooping clusters of tubular, sky-blue flowers. They bloom in early spring and prefer woodland conditions. Their lovely blue hue adds charm toshadegardens and naturalistic landscapes.

67. Blue Glorybower (Clerodendrum ugandense)

• Botanical Name:Clerodendrum ugandense
• Hardiness Zones: 10-11(USDA)
• Plant Type:Shrub
• Sun Exposure:Full SuntoPartial Shade

Blue Glorybower features clusters of brightblue flowerswith white centers. It’s a tropicalshrubthat blooms throughout the year. It’s a favorite ofbutterfliesand adds a splash of vibrant color to gardens.

68. Himalayan Blue Poppy(Meconopsis betonicifolia)

• Botanical Name:Meconopsis betonicifolia
• Hardiness Zones: 7-9(USDA)
• Plant Type:Perennial
• Sun Exposure:Partial ShadetoFull Sun

Himalayan Blue Poppyshowcases large, sky-blue bloomson sturdystems. It thrives in cool, moist conditions and adds a touch of exotic beauty to woodland gardens and shaded borders.

69. Blue Lobelia (Lobelia erinus)

• Botanical Name:Lobelia erinus
• Hardiness Zones: 2-11(USDA)
• Plant Type:Annual
• Sun Exposure:Full SuntoPartial Shade

Blue Lobelia displays profuse clusters ofdeep blue, tubular flowers. It’s excellent for hanging baskets and containers, creating a cascading waterfall ofblue blooms.

70. Blue Hosta (Hosta spp.)

• Botanical Name:Hosta spp.
• Hardiness Zones: 3-9(USDA)
• Plant Type:Perennial
• Sun Exposure: FullShadetoPartial Shade

Blue Hosta features heart-shapedleavesin variousshadesof blue. While primarily grown forfoliage, some varieties produce lavender-blue flowerson tall spikes, adding elegance toshadegardens.

71. Anise Sage (Salvia guaranitica)

• Botanical Name:Salvia guaranitica
• Hardiness Zones: 7-10 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Sage, also known as Anise Sage, features long spikes ofdeep blueflowers and aromaticfoliage. It’s a magnet for hummingbirds andbutterflies, making it a favorite in wildlife gardens.

72. Blue Butterwort (Pinguicula caerulea)

• Botanical Name:Pinguicula caerulea
• Hardiness Zones: 8-11 (USDA)
• Plant Type:PerennialCarnivorous Plant
• Sun Exposure: Partial Sun toFull Sun

Blue Butterwort has delicateblue flowersand forms rosettes of stickyleavesto trap insects. It’s a carnivorous plant that thrives in moist, acidic soil, providing a unique addition to bog gardens.

73. Blue Thunbergia (Thunbergia grandiflora)

• Botanical Name:Thunbergia grandiflora
• Hardiness Zones: 9-11 (USDA)
• Plant Type:PerennialVine
• Sun Exposure:Full SuntoPartial Shade

Blue Thunbergia, or Skyflower, showcases large, sky-blue flowerswith contrastingyellowcenters. It’s a fast-growing vine that adds a tropical flair to arbors, fences, and trellises.

74. Blue Dawn Flower (Stictocardia beraviensis)

• Botanical Name:Stictocardia beraviensis
• Hardiness Zones: 10-11 (USDA)
• Plant Type:PerennialVine
• Sun Exposure:Full Sun

Blue Dawn Flower features large, sky-blue, funnel-shaped blooms. It’s a fast-growing vine that thrives in warm climates, adding a tropical touch to pergolas and fences.

75. Blue Throatwort (Collinsia heterophylla)

• Botanical Name:Collinsia heterophylla
• Hardiness Zones: 3-9 (USDA)
• Plant Type:Annual
• Sun Exposure:Full SuntoPartial Shade

Blue Throatwort displays clusters ofblue flowerswith white throats. It’s a charming wildflower that self-sows readily, making it a delightful addition to cottage gardens and meadows.

76. Blue Cardinal Flower (Lobelia siphilitica)

• Botanical Name:Lobelia siphilitica
• Hardiness Zones: 3-9 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Cardinal Flower bears spikes of intense blue, tubular flowers on tallstems. It’s a favorite of hummingbirds and adds a vibrant splash of color to wetland gardens and pond edges.

77. Blue Gilia (Gilia aggregata)

• Botanical Name:Gilia aggregata
• Hardiness Zones: 3-10 (USDA)
• Plant Type:Annual
• Sun Exposure:Full Sun

Blue Gilia, also known as Skyrocket, produces clusters of sky-blue flowersatop tallstems. It’s a wildflower native to western North America, adding a natural touch to meadows and xeriscapes.

78. Blue Brodiaea (Brodiaea pulchella)

• Botanical Name:Brodiaea pulchella
• Hardiness Zones: 7-10 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Brodiaea bears clusters of star-shaped, blue-violet flowers. It’s a bulbous plant native to California and thrives inwell-drained soil, making it an excellent choice for rock gardens.

79. Blue Cardinal Climber (Ipomoea horsfalliae)

• Botanical Name:Ipomoea horsfalliae
• Hardiness Zones: 10-11 (USDA)
• Plant Type:PerennialVine
• Sun Exposure:Full SuntoPartial Shade

Blue Cardinal Climber, or Prince Kuhio Vine, features tubular, blue-violet flowers and glossy, dark greenleaves. It’s a vigorous vine that adds a tropical touch to fences, arbors, and trellises.

80. Blue Pea Bush (Strobilanthes cusia)

• Botanical Name:Strobilanthes cusia
• Hardiness Zones: 10-11 (USDA)
• Plant Type:Shrub
• Sun Exposure:Full SuntoPartial Shade

Blue Pea Bush, or Neela Kurinji, showcases spikes of indigo-blue flowers. It’s a rare and uniqueshrubnative to India, blooming once every 12 years, adding a sense of mystery to gardens.

81. Blue Trumpet Vine (Thunbergia battiscombei)

• Botanical Name:Thunbergia battiscombei
• Hardiness Zones: 10-11 (USDA)
• Plant Type:PerennialVine
• Sun Exposure:Full Sun

Blue Trumpet Vine featuresdeep blue, trumpet-shaped flowers and lush greenfoliage. It’s a fast-growing vine that attracts hummingbirds andbutterflies, creating a colorful focal point in gardens.

82. Blue Honeywort (Cerinthe major‘Purpurascens’)

• Botanical Name:Cerinthe major‘Purpurascens’
• Hardiness Zones: 3-11 (USDA)
• Plant Type:Annual
• Sun Exposure:Full SuntoPartial Shade

Blue Honeywort has clusters of blue-violet, tubular flowers surrounded by blue-greenleaves. It’s a unique and easy-to-grow plant that self-seeds, adding an exotic touch to cottage gardens.

83. Himalayan Blue Sheep (Pseudorchis albida)

• Botanical Name:Pseudorchis albida
• Hardiness Zones: 5-8 (USDA)
• Plant Type:Perennial
• Sun Exposure:Partial ShadetoFull Sun

Himalayan Blue Sheep, also known as Small White Orchid, showcases delicateblue flowerson slenderstems. It’s a rare and charming orchid species.

84. Blue Wheatgrass (Agropyron caninum)

• Botanical Name:Agropyron caninum
• Hardiness Zones: 4-9 (USDA)
• Plant Type:PerennialGrass
• Sun Exposure:Full Sun

Blue Wheatgrass features slender blue-green blades and gracefully arching seed heads. It’sdrought-tolerantand adds a touch of elegance to gardens.

85. Blue-eyed Mary (Collinsia verna)

• Botanical Name:Collinsia verna
• Hardiness Zones: 5-9 (USDA)
• Plant Type:Annual
• Sun Exposure:Partial ShadetoFull Sun

Blue-eyed Mary bears clusters of blue, tubular flowers with white centers. It’s a woodland plant that naturalizes well, creating a carpet of blue in spring.

86. Blue Dampiera (Dampiera stricta)

• Botanical Name:Dampiera stricta
• Hardiness Zones: 9-11 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Dampiera displays brightblue flowerswithyellowcenters. It’s a low-growing, spreading plant that thrives in coastal areas and sandy soils.

87. Blue Alkanet (Alkanna tinctoria)

• Botanical Name:Alkanna tinctoria
• Hardiness Zones: 3-8 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Alkanet features intense blue, funnel-shaped flowers and hairyleaves. It’s often used for natural dyeing and has medicinal properties.

88. Blue Spiderwort (Tradescantia ohiensis)

• Botanical Name:Tradescantia ohiensis
• Hardiness Zones: 5-9 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Spiderwort bears clusters of blue to violet flowers atop strappyleaves. It’s a resilient plant, perfect for cottage gardens and naturalistic landscapes.

89. Blue JapaneseIris(Irisensata)

• Botanical Name:Irisensata
• Hardiness Zones: 4-9 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue JapaneseIrisshowcases large, intricateblue flowerswith white andyellowmarkings. It’s a water-loving plant, ideal for pond edges and damp areas.

90. Blue Hyssop (Hyssopus officinalis)

• Botanical Name: Hyssopus officinalis
• Hardiness Zones: 3-9 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Hyssop produces spikes of small, tubularblue flowers. It’s a fragrant herb often used in culinary dishes and traditional medicine.

91. Blue Camass (Camassia quamash)

• Botanical Name:Camassia quamash
• Hardiness Zones: 4-9 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Camass features star-shapedblue flowerson tall spikes. It’s a native wildflower and was an important food source for indigenous peoples.

92. Blue Monkshood (Aconitum carmichaelii)

• Botanical Name:Aconitum carmichaelii
• Hardiness Zones: 3-7 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full SuntoPartial Shade

Blue Monkshood bears spikes of hoodedblue flowersabove deeply lobedleaves. It’s a poisonous plant and should be handled with care.

93. Blue Curls (Phacelia congesta)

• Botanical Name:Phacelia congesta
• Hardiness Zones: 5-10 (USDA)
• Plant Type:Annual
• Sun Exposure:Full Sun

Blue Curls display coiled clusters of blue to purple flowers. They are excellent for attractingbeesandbutterflies, enhancing pollination in gardens.

94. Blue Larkspur (Delphinium variegatum)

• Botanical Name:Delphinium variegatum
• Hardiness Zones: 3-8 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Larkspur features tall spikes ofblue flowerswith white centers. It’s a striking plant, perfect for cottage gardens and adding vertical interest.

95. Blue Violets(Viola sororia)

• Botanical Name:Viola sororia
• Hardiness Zones: 3-8 (USDA)
• Plant Type:Perennial
• Sun Exposure:Partial ShadetoFull Sun

Blue Violetshave heart-shapedleavesand blue to violet flowers. They naturalize well and are delightful additions to shaded areas.

96. Blue Lovegrass (Eragrostis spectabilis)

• Botanical Name:Eragrostis spectabilis
• Hardiness Zones: 5-9 (USDA)
• Plant Type:PerennialGrass
• Sun Exposure:Full Sun

Blue Lovegrass forms tufts of blue-greenfoliageand delicate, airy blue flowerheads. It’sdrought-tolerantand adds movement to gardens.

97. Blue Pincushion Flower (Scabiosa columbaria)

• Botanical Name:Scabiosa columbaria
• Hardiness Zones: 3-8 (USDA)
• Plant Type:Perennial
• Sun Exposure:Full Sun

Blue Pincushion Flower features frillyblue flowerson longstems. It’s excellent for cutting gardens and attractsbutterfliesandbees.

98. Blue Squill (Scilla siberica)

• Botanical Name:Scilla siberica
• Hardiness Zones: 2-8 (USDA)
• Plant Type:PerennialBulb
• Sun Exposure:Full SuntoPartial Shade

Blue Squill produces nodding, bell-shapedblue flowersin early spring. It naturalizes easily, creating a carpet of blue in gardens.

99. Blue Chilean Crocus (Tecophilaea cyanocrocus)

• Botanical Name:Tecophilaea cyanocrocus
• Hardiness Zones: 5-8 (USDA)
• Plant Type:PerennialBulb
• Sun Exposure:Full SuntoPartial Shade

Blue Chilean Crocus offers stunningblue flowerswith a centralyelloweye. It’s a rare and treasured bulb plant for enthusiasts.

100. Blue Lace Flower (Didiscus caeruleus)

• Botanical Name:Didiscus caeruleus
• Hardiness Zones: 2-11 (USDA)
• Plant Type:Annual
• Sun Exposure:Full Sun

Blue Lace Flower produces delicate, lacy umbels ofblue flowers. It’s an excellent filler plant in bouquets and floral arrangements.

101. Blue Viper’s Bugloss (Echium vulgare)

• Botanical Name: Echium vulgare
• Hardiness Zones: 3-8 (USDA)
• Plant Type: Biennial/Perennial
• Sun Exposure:Full Sun

Blue Viper’s Bugloss bears spires of bright blue, bee-friendly flowers. It’s a wildflower that adds a touch of wilderness to gardens.

Other Flower Guides from Planet Natural:

Garden Warriors: Flowers That Grow in Poor Soil

17 Mesmerizing Flowers that Bloom After Dusk

12 Perennial Blooms Defying the Cold – Flowers That Bloom in Winter

25 Flowers That Attract Hummingbirds and Butterflies