The color blue is rare in nature and because of that, blue flowering plants are very popular in gardens. The amount of blue-ness varies from a saturated royal blue, to sky blue, to a more purple tinted lavender blue.
Read More about Blue Flowering Plants
Agapanthus 'Stevie's Wonder'
Item #: 8250
Zones: 7b to 10b, at least
Dormancy: Winter
Height: 36" tall
Culture: Sun to Part Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Agapanthus 'Storm Cloud'
Item #: 1342
Zones: 7b to 10b, at least
Dormancy: Winter
Height: 48" tall
Culture: Sun to Part Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Agastache 'Blue Fortune'
Item #: 3209
Zones: 3a to 9b
Dormancy: Winter
Height: 36" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Ajuga pyramidalis 'Metallica Crispa Purpurea'
Item #: 39
Zones: 3a to 8b, at least
Dormancy: Evergreen
Height: 3" tall
Culture: Part Sun to Light Shade
Origin: Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Ajuga reptans 'Black Scallop' PP 15,815
Item #: 13515
Zones: 3a to 8b, at least
Dormancy: Evergreen
Height: 3" tall
Culture: Part Sun to Light Shade
Origin: Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Amsonia ciliata var. filifolia 'Georgia Pancake'
Item #: 5375
Zones: 5a to 9b, at least
Dormancy: Winter
Height: 5" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Amsonia hubrichtii
Item #: 759
Zones: 5a to 9b
Dormancy: Winter
Height: 36" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Amsonia tabernaemontana 'Storm Cloud'
Item #: 12043
Zones: 5a to 8b, at least
Dormancy: Winter
Height: 24" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Baptisia 'Aspiring'
Item #: 14277
Zones: 4a to 9b, at least
Dormancy: Winter
Height: 48" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Baptisia australis
Item #: 1182
Zones: 4a to 9b
Dormancy: Winter
Height: 36" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Baptisia 'Blue Candelabra'
Item #: 3951
Zones: 4a to 9b, at least
Dormancy: Winter
Height: 56" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Baptisia 'Blue Towers' PP 27,088
Item #: 8338
Zones: 4a to 9b, at least
Dormancy: Winter
Height: 54" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Baptisia 'Blueberry Sundae' PP 23,891
Item #: 9455
Zones: 4a to 9b, at least
Dormancy: Winter
Height: 36" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Baptisia 'Royal Candles'
Item #: 3262
Zones: 4a to 9b, at least
Dormancy: Winter
Height: 46" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Baptisia 'Sparkling Sapphires' PP 27,904
Item #: 11292
Zones: 4a to 9b
Dormancy: Winter
Height: 30" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Bletilla striata 'Soryu'
Item #: 8131
Zones: 6a to 9b
Dormancy: Winter
Height: 24" tall
Culture: Part Sun
Origin: Burma/Myanmar, China, Japan, Korea
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Brunnera macrophylla 'Alexander's Great' PP 25,789
Item #: 6251
Zones: 3a to 7b
Dormancy: Winter
Height: 15" tall
Culture: Part Sun to Light Shade
Origin: Mediterranean Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Brunnera macrophylla 'Jack Frost' PP 13,859
Item #: 3367
Zones: 3a to 7b
Dormancy: Winter
Height: 12" tall
Culture: Light Shade to Shade
Origin: Mediterranean Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Brunnera macrophylla 'Jack of Diamonds' PPAF
Item #: 15742
Zones: 3a to 7b
Dormancy: Winter
Height: 14" tall
Culture: Light Shade to Shade
Origin: Mediterranean Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Brunnera macrophylla 'Queen of Hearts' PP 32,737
Item #: 15741
Zones: 3a to 7b
Dormancy: Winter
Height: 18" tall
Culture: Light Shade to Shade
Origin: Mediterranean Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Buddleia 'Ellen's Blue'
Item #: 4260
Zones: 5a to 9b
Dormancy: Winter
Height: 48" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3 qt. (2.8 L) ?
Buddleia 'Grand Cascade' PP 30,868
Item #: 13263
Zones: 5a to 9b
Dormancy: Winter
Height: 66" tall
Culture: Sun
Origin: Hybrid
Pot Size: 2 qt. (1.9 L) ?
Buddleia 'Lilac Cascade' PPAF
Item #: 16775
Zones: 5a to 9b
Dormancy: Winter
Height: 48" tall
Culture: Sun
Origin: Hybrid
Pot Size: 2 qt. (1.9 L) ?
Calamintha nepeta var. nepeta
Item #: 3501
Zones: 5a to 8a, at least
Dormancy: Winter
Height: 20" tall
Culture: Sun
Origin: Southern Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Campanula poscharskyana 'Camgood'
Item #: 8037
Zones: 4a to 7b
Dormancy: Evergreen
Height: 8" tall
Culture: Part Sun to Light Shade
Origin: Balkans
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Caryopteris divaricata 'Blue Butterflies'
Item #: 7518
Zones: 6b to 9b, at least
Dormancy: Winter
Height: 72" tall
Culture: Sun
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Caryopteris divaricata 'Snow Fairy'
Item #: 4807
Zones: 5a to 9b
Dormancy: Winter
Height: 24" tall
Culture: Sun to Part Sun
Origin: Himalayan Mountains
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Cypella coelestis
Item #: 3735
Zones: 6b to 9b
Dormancy: Winter
Height: 24" tall
Culture: Sun to Part Sun
Origin: Argentina, Brazil, Uruguay
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Eryngium ravenelii 'Charleston Blues'
Item #: 13008
Zones: 4a to 8b
Dormancy: Winter
Height: 30" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Gentiana 'True Blue' PP 20,433
Item #: 8505
Zones: 4a to 8b
Dormancy: Winter
Height: 18" tall
Culture: Sun to Part Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Geranium 'Azure Rush' PP 22,684
Item #: 2988
Zones: 5a to 8b
Dormancy: Winter
Height: 18" tall
Culture: Sun to Part Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Geranium 'Rozanne'
Item #: 5111
Zones: 5a to 8b
Dormancy: Winter
Height: 15" tall
Culture: Sun to Part Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Gymnaster savatieri 'Edo Murasaki'
Item #: 9582
Zones: 5a to 8b
Dormancy: Winter
Height: 15" tall
Culture: Part Sun to Light Shade
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Iris x ampliflora 'Ming Treasure'
Item #: 17217
Zones: 6b to 9b, at least
Dormancy: Winter
Height: 60" tall
Culture: Part Sun to Light Shade
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Iris brevicaulis 'Yucca Do Blue'
Item #: 16866
Zones: 6a to 10b, at least
Dormancy: Evergreen
Height: 24" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Iris cristata 'Powder Blue Giant'
Item #: 2592
Zones: 3a to 9b
Dormancy: Winter
Height: 12" tall
Culture: Part Sun to Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Iris cristata 'Vein Mountain'
Item #: 4073
Zones: 3a to 9b
Dormancy: Winter
Height: 12" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Iris ensata 'Bellender Blue'
Item #: 7074
Zones: 5a to 8b
Dormancy: Winter
Height: 50" tall
Culture: Sun
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Iris japonica 'Eco Easter'
Item #: 5768
Zones: 7a to 10b
Dormancy: Evergreen
Height: 12" tall
Culture: Light Shade to Shade
Origin: China, Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Iris x louisiana 'Sinfonietta'
Item #: 8370
Zones: 6a to 10b, at least
Dormancy: Summer
Height: 48" tall
Culture: Sun to Part Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Iris unguicularis 'Butt Not'
Item #: 6720
Zones: 6b to 9b, at least
Dormancy: Summer
Height: 18" tall
Culture: Sun to Part Sun
Origin: Algeria
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Laurentia fluviatilis
Item #: 1355
Zones: 5a to 10b
Dormancy: Evergreen
Height: 1" tall
Culture: Sun to Light Shade
Origin: Australia
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Myosotis palustris 'Southern Blues'
Item #: 1427
Zones: 4a to 8b
Dormancy: Evergreen
Height: 6" tall
Culture: Part Sun to Light Shade
Origin: Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Perovskia atriplicifolia 'Blue Jean Baby' PP 29,281
Item #: 13502
Zones: 4a to 8b, possibly colder
Dormancy: Winter
Height: 34" tall
Culture: Sun
Origin: Afghanistan, China, Himalayan Mountains, Pakistan, Turkey
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Primula vulgaris 'Belarina Amethyst Ice'
Item #: 11956
Zones: 5a to 7b, at least
Dormancy: Summer, Fall
Height: 7" tall
Culture: Light Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Primula vulgaris 'Belarina Lively Lilac' PPAF
Item #: 15881
Zones: 5a to 7b, at least
Dormancy: Summer, Fall
Height: 7" tall
Culture: Light Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Pulmonaria 'Dark Vader' PP 12,333
Item #: 4346
Zones: 3a to 8b
Dormancy: Evergreen
Height: 12" tall
Culture: Part Sun to Light Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Pulmonaria 'Diana Clare'
Item #: 10352
Zones: 3a to 8b
Dormancy: Evergreen
Height: 10" tall
Culture: Part Sun to Light Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Pulmonaria 'Trevi Fountain' PP 13,047
Item #: 4872
Zones: 3a to 8b
Dormancy: Evergreen
Height: 11" tall
Culture: Part Sun to Light Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Rosmarinus officinalis 'Arp'
Item #: 1268
Zones: 6a to 9b
Dormancy: Evergreen
Height: 40" tall
Culture: Sun
Origin: Mediterranean Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Salvia chamaedryoides
Item #: 688
Zones: 7a to 10b
Dormancy: Evergreen
Height: 15" tall
Culture: Sun to Part Sun
Origin: Mexico
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Salvia farinacea 'Henry Duelberg'
Item #: 6822
Zones: 7b to 9b, at least
Dormancy: Winter
Height: 36" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Salvia guaranitica 'Black and Blue'
Item #: 2016
Zones: 7a to 10b
Dormancy: Winter
Height: 36" tall
Culture: Sun to Part Sun
Origin: Brazil
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Salvia guaranitica 'Rhythm and Blues' PP 29,585
Item #: 14827
Zones: 7a to 10b
Dormancy: Winter
Height: 36" tall
Culture: Sun to Part Sun
Origin: Brazil
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Salvia guaranitica 'Van Remsen'
Item #: 8363
Zones: 7a to 10b, at least
Dormancy: Winter
Height: 84" tall
Culture: Sun
Origin: Argentina, Brazil
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Salvia nutans
Item #: 11572
Zones: 6a to 8b, at least
Dormancy: Winter
Height: 48" tall
Culture: Sun to Part Sun
Origin: Balkans, Russia
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Salvia texana
Item #: 14074
Zones: 6a to 9b, guessing
Dormancy: Winter
Height: 18" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Salvia uliginosa
Item #: 1091
Zones: 6a to 10b
Dormancy: Winter
Height: 55" tall
Culture: Sun to Part Sun
Origin: Argentina, Brazil, Uruguay
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Sisyrinchium angustifolium 'Lucerne'
Item #: 4782
Zones: 5a to 7b
Dormancy: Evergreen
Height: 8" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
Sisyrinchium 'Suwannee'
Item #: 4789
Zones: 6a to 9b
Dormancy: Evergreen
Height: 8" tall
Culture: Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?
More Information About Blue Flowering Plants
Feeling blue? Let blue flowering plants cheer you up. The color blue is rare in nature and because of that, blue flowering plants are very popular in gardens. The amount of blue-ness varies from genus to genus from a saturated royal blue, to sky blue, to a more purple tinted lavender blue. No matter which blue you want, we probably have it. When you are ready to buy blue flowering plants for your garden, check out our online list of blue flowering plants for sale.
Some of the best blue flowering plants include:
Gentiana - The undisputed king of the blue flowers. Deeply saturated and wonderful to look at.
Agapanthus, Brunnera, Pulmonaria, Agastache (A lavender-blue for those who like a more muted color), Myosotis, Aster, Campanula, Stokesia, Lavandula, Veronica, Ajuga, Iris, Buddleia, Aconitum, Hepatica, Dentaria, Amsonia, Baptisia, Caryopteris, Ceratostigma, Cynara, Hydrangea, Ipheion
This list of blue flowering plants is just the beginning. Check out the entire catalog of blue flowering plants.
Don't forget to read our many blog posts about Blue Flowering Plants.