Deciduous

Amsonia 'String Theory'

String Theory Blue Star

Baptisia 'Blueberry Sundae'

Decadence® Blueberry Sundae False Indigo

Brunnera macrophylla 'Sea Heart'

Sea Heart Siberian Bugloss

Brunnera macrophylla 'Silver Heart'

Silver Heart Siberian Bugloss

Caryopteris × clandonensis 'Inoveris'

Grand Bleu® Bluebeard

Caryopteris x clandonensis ‘Blue Mist'

Blue Mist Bluebeard

Caryopteris x clandonensis ‘Longwood Blue'

Longwood Blue Bluebeard

Caryopteris x clandonensis 'Minigold'

Bloomin' Easy® Beekeeper® Bluebeard

Clematis 'Ramona'

Ramona Clematis

Delphinium 'M.F. Dark Blue Dark Bee'

Magic Fountain Dark Blue/Dark Bee Delphinium

Delphinium (Pacific Hybrids)

Pacific Hybrids Mix Delophinium, Larkspur

Eryngium planum 'Blue Hobbit'

Blue Hobbit Sea Holly

Hydrangea macrophylla 'Bailmacsix'

Endless Summer® Pop Star® Hydrangea

Hydrangea macrophylla 'Grenan'

Nantucket Blue™ Hydrangea

Hydrangea macrophylla 'Ramars'

Cityline® Mars Hydrangea

Hydrangea macrophylla 'Variegata'

Variegated Hydrangea

Iris sibirica 'Royal Blue'

Royal Blue Siberian Iris

Kalimeris incisa 'Blue Star'

Blue Star Kalimeris

Nepeta 'Balneplud

Blue Prelude Catmint

Salvia lyrata 'Purple Knockout'

Purple Knockout Lyre-Leaf Sage