Perennial

Amsonia 'String Theory'

String Theory Blue Star

Amsonia hubrichtii

Threadleaf Blue Star, Arkansas Blue Star

Salvia x sylvestris 'Mainacht’

May Night Wood Sage

Iris versicolor

Northern Blue Flag Iris, Harlequin Blue Flag

Isotoma fluviatilis

Blue Star Creeper

Nepeta ‘Chartreuse on the Loose’

Chartreuse on the Loose Catmint

Veronica peduncularis 'Georgia Blue'

Georgia Blue Speedwell