Plumbago europaea
Coleus blumei
Veronica beccabunga
Asiatic sweetleaf
trillium
burbark
Solenostemon blumei
European brooklime
sapphire berry
Joseph's coat
leadwort
Solenostemon scutellarioides
joyweed
blue fenugreek
bachelor's button
plant genus
Centaurea cyanus
bottle gentian
Gentiana andrewsii
blind gentian
bluebottle
tritonia
cornflower
closed gentian
Musales
periwinkle
balsam
order Musales
genus Mucuna
Mitella
old-field toadflax
genus Mitella
blue daze
purplewort
selfheal
Linaria canadensis
Collinsia verna
Stizolobium
Ononis
blue-eyed Mary
blue toadflax
genus Ononis
genus Stizolobium
trigoniaceous
Mertensia
Veronica chamaedrys
genus Mertensia
common morning glory
Ipomoea purpurea
Busy Lizzie