Shrub

Hydrangea macrophylla 'PIIHM-I'

Endless Summer® Twist N Shout™ Hydrangea

Hydrangea macrophylla 'Bailmer’

Endless Summer® The Original Hydrangea

Buddleia davidii 'SMNBDBT' PP#28,794

Pugster Blue® Dwarf Butterfly Bush

Caryopteris × clandonensis 'Dark Knight'

Dark Knight Bluebeard

Hydrangea macrophylla 'Penny Mac'

Penny Mac Hydrangea

Hydrangea macrophylla 'P11HM-11'

Endless Summer® Bloomstruck® Hydrangea

Hydrangea macrophylla 'Nikko Blue'

Nikko Blue Hydrangea

Hydrangea macrophylla 'Blushing Bride'

Endless Summer® Blushing Bride® Hydrangea

Hibiscus syriacus 'Notwoodthree'

Blue Chiffon® Hibiscus

Amsonia hubrichtii

Threadleaf Blue Star, Arkansas Blue Star

Hydrangea serrata 'MAKD'

Tiny Tuff Stuff™ Hydrangea

Hydrangea macrophylla 'Grenan'

Nantucket Blue™ Hydrangea

Vitex agnus-castus 'SMVACBD'

Blue Diddley® Chaste Tree

Amsonia 'String Theory'

String Theory Blue Star

Amsonia x 'Butterscotch'

Butterscotch Blue Star