Dalea

Daylily 

Dead Nettle

Delphinium 

Deschampsia

Dianthus 

Dicentra 

Dictamnus

Donkey's Tail

Dutchman's Breeches

Echinacea 

Echinops 

English Lavender

Eremurus

Eryngium 

Eupatorium

Euphorbia

 

Fairy Wand

False Indigo 

False Sunflower

Fern-leaf Bleeding Heart

Fingerleaf

Flax

Foamflower

Foamy Bells

Foxtail Lily