Zone 8

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 'Dark Knight'

Dark Knight Bluebeard

Caryopteris x clandonensis ‘Longwood Blue'

Longwood Blue Bluebeard

Hibiscus syriacus 'Notwoodthree'

Blue Chiffon® Hibiscus

Hydrangea macrophylla 'Bailmacsix'

Endless Summer® Pop Star® Hydrangea

Hydrangea macrophylla 'Bailmer’

Endless Summer® The Original Hydrangea

Hydrangea macrophylla 'Blushing Bride'

Endless Summer® Blushing Bride® Hydrangea

Hydrangea macrophylla 'Nikko Blue'

Nikko Blue Hydrangea

Hydrangea macrophylla 'P11HM-11'

Endless Summer® Bloomstruck® Hydrangea

Hydrangea macrophylla 'Penny Mac'

Penny Mac Hydrangea

Hydrangea serrata 'MAKD'

Tiny Tuff Stuff™ Hydrangea

Perovskia atriplicifolia 'Little Spire'

Little Spire 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

Caryopteris x clandonensis ‘Blue Mist'

Blue Mist Bluebeard