Blue Bloom

Amsonia 'String Theory'

String Theory Blue Star

Buddleia davidii 'SMNBDBT' PP#28,794

Pugster Blue® Dwarf Butterfly Bush

Buddleja davidii 'Nanho Blue'

Nanho Blue Butterfly Bush

Caryopteris × clandonensis 'Dark Knight'

Dark Knight Bluebeard

Caryopteris x clandonensis ‘Longwood Blue'

Longwood Blue Bluebeard

Clematis 'The President'

The President Clematis

Hibiscus syriacus 'Notwoodthree'

Blue Chiffon® Hibiscus

Hydrangea macrophylla 'Bailmer’

Endless Summer® The Original Hydrangea

Hydrangea macrophylla 'P11HM-11'

Endless Summer® Bloomstruck® Hydrangea

Hydrangea macrophylla 'Penny Mac'

Penny Mac Hydrangea

Hydrangea macrophylla 'PIIHM-I'

Endless Summer® Twist N Shout™ Hydrangea

Hydrangea macrophylla 'SMHMES14'

Let's Dance® Rhythmic Blue® Hydrangea

Hydrangea serrata 'MAKD'

Tiny Tuff Stuff™ Hydrangea

Lobelia siphilitica

Blue Cardinal Flower

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 'CrazyBlue'

Crazy Blue Russian Sage

Perovskia atriplicifolia ‘Denim ‘N Lace’

Denim 'N Lace Russian Sage