Blue

Phlox divaricata 'Blue Moon' (Woodland Phlox)

Sisyrinchium angustifolium 'Lucerne' (Blue-Eyed Grass)

Elymus arenarius 'Blue Dune' (Blue Lyme Grass)

Heuchera americana 'Dale's Strain' (Coral Bells)

Jacob's Ladder (Polemonium caeruleum 'Bressingham Purple')

Iris versicolor 'Purple Flame' (Blue Flag)

Iris versicolor (Blue Flag Iris, Wild Iris)

Astilbe x 'Delft Lace' (False Spirea)

Helleborus 'Ivory Prince' (Lenten Rose)

Aquilegia Kirigami™ Deep Blue & White (Columbine)

Aquilegia Earlybird™ Purple Blue (Columbine)

Veronica longifolia Skyward™ Blue (Long-leafed Speedwell)

Sisyrinchium a. ‘Suwannee’ (Blue-eyed grass)

Iris ensata 'Variegata' (Variegated Japanese Iris)

Helleborus x hybridus Winter Jewels® 'Blue Diamond' (Lenten Rose)

Anemone x Wild Swan™ (Windflower)

Eupatorium coelestinum (syn. Conoclinium coelestinum) (Hardy Ageratum/Blue Mistflower)

Lobelia siphilitica (Blue Cardinal Flower)

Kalimeris incisa 'Blue Star' (False Aster)

Aster dumosus 'Wood's Blue' (Blue Wood Aster)

Aquilegia Kirigami™ Light Blue & White (Columbine)

Veronica Magic Show® ‘Ever After’ (Spiked Speedwell)

Iris sibirica 'Silver Edge' (Siberian Iris)

Lavandula angustifolia ‘SuperBlue’ (English Lavender)