The plants

Bluestarnon-native

Amsonia 'Blue Ice'

···▃█▃······   Blooms Apr–Jun

Creeping Phloxnative cultivar

Phlox subulata 'Emerald Blue'

···█▃·······   Blooms Apr–May

Black Chokeberrynative cultivar

Aronia melanocarpa 'Low Scape Mound'

····█·······   Blooms May

Catmintnon-native

Nepeta × faassenii 'Blue Wonder'

····▃█▃▃▃···   Blooms May–Sep

Coral Bellsnative cultivar

Heuchera americana 'Green Spice'

····▃█▃·····   Blooms May–Jul

Harlequin Blue Flagnative

Iris versicolor

····█▃······   Blooms May–Jun

Indian Pinknative

Spigelia marilandica

····▃█······   Blooms May–Jun

Virginia Sweetspirenative cultivar

Itea virginica 'Little Henry'

····▃█······   Blooms May–Jun

Coneflowernon-native

Echinacea 'Hot Papaya'

·····▃█▃····   Blooms Jun–Aug

Woolly Thymenon-native

Thymus pseudolanuginosus

·····█▃·····   Blooms Jun–Jul

Anise Hyssopnon-native

Agastache 'Black Adder'

······▃█▃▃··   Blooms Jul–Oct

Cardinal Flowernative

Lobelia cardinalis

······▃█▃···   Blooms Jul–Sep

White Turtleheadnative

Chelone glabra

·······█▃▃··   Blooms Aug–Oct

Wood's Purple Asternative cultivar

Symphyotrichum 'Wood's Purple'

·······▃█▃··   Blooms Aug–Oct

Ginkgo (Maidenhair Tree)non-native

Ginkgo biloba 'Autumn Gold'

············   No bloom recorded