butterfly pea
sea onion
Centaurea cyanus
blue pea
bluebottle
Dutch iris
campanula
bachelor's button
Scilla verna
berry blue
genus Penstemon
Arisaema triphyllum
sapphire
Penstemon
jack-in-the-pulpit
Arisaema atrorubens
rashleighite
wake-robin
Indian turnip
Muscari neglectum
Chrysosplenium
common grape hyacinth
Schizopetalon walkeri
black sage
genus Chrysosplenium
schizopetalon
harebell
Campanula rotundifolia
genus Aphyllanthes
Smilax
browallia
Aphyllanthes
genus Smilax
Boston ivy
Japanese ivy
gentian blue
Parthenocissus tricuspidata
genus Phacelia
erioglaucine
bluebell
bush violet
abscess root
Merlot