Floración azul

Ajuga reptans 'Burgundy Glow'

Burgundy Glow Bugleweed

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

Caryopteris x clandonensis 'CT-9-12'

Más allá de la medianoche® 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®

Hibiscus x 'Minsyrou17'

Paraplu Rouge® Rose of Sharon

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