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Amsonia 'String Theory'

String Theory Blue Star

Amsonia hubrichtii

Threadleaf Blue Star, Arkansas Blue Star

Baptisia australis

Blue False Indigo

Buddleia davidii 'SMNBDBT' PP#28,794

Arbusto de mariposa enana Pugster Blue®

Buddleja davidii 'Nanho Blue'

​​Arbusto de mariposa azul Nanho

Caryopteris × clandonensis 'Caballero Oscuro'

Caballero Oscuro Barba Azul

Ceratostigma plumbaginoides

Hardy Plumbago, Leadwort

Hibiscus syriacus 'Notwood three'

Hibisco azul Chiffon®

Hydrangea macrophylla 'Bailmer'

Endless Summer® La hortensia original

Hortensia macrophylla 'P11HM-11'

Hortensia Endless Summer® Bloomstruck®

Hortensia macrophylla 'Penny Mac'

Hortensia Penny Mac

Hortensia macrophylla 'PIIHM-I'

Hortensia Endless Summer® Twist N Shout™

Hortensia macrophylla 'SMHMES14'

Hortensia Let's Dance® Rhythmic Blue®

Hydrangea serrata 'MAKD'

Tiny Tuff Stuff™ Hydrangea

Nepeta faassenii 'Cat's Meow'

Cat's Meow Catmint

Nepeta racemosa 'Walker's Low'

Walker's Low Catmint

Nepeta x faassenii 'Purrsian Blue'

Purrsian Blue Catmint

Perovskia atriplicifolia 'Blue Jean Baby'

Blue Jean Baby Russian Sage

Perovskia atriplicifolia ‘Denim ‘N Lace’

Denim 'N Lace Russian Sage

Perovskia atriplicifolia 'Little Spire'

Little Spire Russian Sage