Flowers Bloom in May: Blue, Purple, Lavender, & Violet Wildflowers
American vetch
Atlantic camas
Bird's-foot violet
Black swallow wort
Blue funnel-lily
Blue mustard
Blue phlox
Blue wild indigo
Bluebells
Bluebowls
Breadroot scurf-pea
Buckley's penstemon
Carolina anemone
Cobaea penstemon
Collinsia
Common spiderwort
Creamy poison-vetch
Dakota verbena
Dame's rocket
Drummond's false-pennyroyal
Dwarf larkspur
False dragonhead
False indigo
Field garlic
Filaree
Fremont's clematis
Ground-ivy
Ground-plum milk-vetch
Hairy phacelia
Hairy vetch
Henbit
Jacob's ladder
Large beardtongue
Lemon mint
Limestone ruellia
Long bracted spiderwort
Low milkvetch
Missouri milk-vetch
Motherwort
Norton's flax
Notch-bract waterleaf
Nuttall's evolvulus
Oklahoma phlox
One-flowered broomrape
Ozark trillium
Pale-spike lobelia
Pitcher's clematis
Prairie camas
Prairie fameflower
Prairie irid
Prairie phlox
Prairie spiderwort
Prairie violet
Purple dead nettle
Purple ground cherry
Purple locoweed
Purple milkweed
Purple poppy-mallow
Resinous skullcap
Robin's plantain
Rockpink
Rough false pennyroyal
Sampson's snakeroot
Scarlet pimpernel
Shooting star
Showy orchis
Silver-leaf nightshade
Slender Venus' looking-glass
Slender milk-vetch
Small bluets
Small geranium
Small lupine
Small skullcap
Spotted geranium
Spring beauty
Stevens' nama
Tall-bread scurf-pea
Tharp's spiderwort
Toadflax
Twist-flower
Venus' looking glass
Violet wood sorrel
Virginia waterleaf
Wake robin
Water speedwell
Waterpod
Wayside speedwell
Wedge-leaf frog fruit
Western fleabane
Western horse-nettle
Wild alfalfa
Wild ginger
Wild violet
Willow bluestar
Wistar's coralroot
Woolly loco