Floración azul

Amsonia 'String Theory'

String Theory Blue Star

Amsonia hubrichtii

Threadleaf Blue Star, Arkansas Blue Star

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

Caryopteris x clandonensis 'Longwood Blue'

​​Longwood Blue Barba Azul

Ceratostigma plumbaginoides

Hardy Plumbago, Leadwort

Clematis 'The President'

The President Clematis

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

Lobelia siphilitica

Blue Cardinal Flower

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 'CrazyBlue'

Crazy Blue Russian Sage