Blue Bloom

Ajuga reptans 'Burgundy Glow'

Burgundy Glow Bugleweed

Amsonia 'String Theory'

String Theory Blue Star

Amsonia hubrichtii

Threadleaf Blue Star, Arkansas 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 'CT-9-12'

Beyond Midnight® Bluebeard

Caryopteris x clandonensis ‘Longwood Blue'

Longwood Blue Bluebeard

Ceratostigma plumbaginoides

Hardy Plumbago, Leadwort

Clematis 'The President'

The President Clematis

Hibiscus syriacus 'Notwoodthree'

Blue Chiffon® Hibiscus

Hibiscus x 'Minsyrou17'

Paraplu Rouge® Rose of Sharon

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 racemosa 'Walker's Low'

Walker's Low Catmint