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Amsonia 'Blue Ice'

Blue Ice Blue Star

Amsonia hubrichtii

Threadleaf Blue Star, Arkansas Blue Star

Amsonia tabernaemontana 'Storm Cloud'

Storm Cloud Blue Star

Baptisia 'Blueberry Sundae'

Decadence® Blueberry Sundae False Indigo

Caryopteris × clandonensis 'Caballero Oscuro'

Caballero Oscuro Barba Azul

Hibiscus syriacus 'Notwood three'

Hibisco azul Chiffon®

Hydrangea macrophylla 'Bailmacsix'

Endless Summer® Pop Star® Hydrangea

Hydrangea macrophylla 'Bailmer'

Endless Summer® La hortensia original

Hydrangea macrophylla 'Blushing Bride'

Endless Summer® Blushing Bride® Hortensia

Hydrangea macrophylla 'Nikko Blue'

​​Hortensia Nikko Blue

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™

Hydrangea serrata 'MAKD'

Tiny Tuff Stuff™ Hydrangea

Perovskia atriplicifolia 'Little Spire'

Little Spire Russian Sage

Perovskia atriplicifolia

Russian Sage

Amsonia 'String Theory'

String Theory Blue Star

Baptisia australis

Blue False Indigo

Brunnera macrophylla 'Sea Heart'

Sea Heart Siberian Bugloss

Brunnera macrophylla 'Silver Heart'

Silver Heart Siberian Bugloss