Purple

• 

  Fragrant Hyssop

  Agastache foeniculum

  Fragrant Hyssop
  Agastache foeniculum
• 

  Leadplant

  Amorpha canescens

  Leadplant
  Amorpha canescens
• 

  False Indigo

  Amorpha fruticosa

  False Indigo
  Amorpha fruticosa
• 

  Showy Milkweed

  Asclepia speciosa

  Showy Milkweed
  Asclepia speciosa
• 

  Aromatic Aster

  Aster oblongifolius

  Aromatic Aster
  Aster oblongifolius
• 

  Crooked-stemmed Aster

  Aster prenanthoides

  Crooked-stemmed Aster
  Aster prenanthoides
• 

  Silky Aster

  Aster sericeus

  Silky Aster
  Aster sericeus
• 

  Ground Plum

  Astragalus crassicarpus

  Ground Plum
  Astragalus crassicarpus
• 

  Downy Wood Mint

  Blephilia ciliata

  Downy Wood Mint
  Blephilia ciliata
• 

  Harebell

  Campanula rotundifolia

  Harebell
  Campanula rotundifolia
• 

  Purple Prairie Clover

  Dalea purpureum

  Purple Prairie Clover
  Dalea purpureum
• 

  Silky Prairie Clover

  Dalea villosum

  Silky Prairie Clover
  Dalea villosum
• 

  Narrow-leaved Purple Coneflower

  Echinacea angustifolia

  Narrow-leaved Purple Coneflower
  Echinacea angustifolia
• 

  Pale Purple Coneflower

  Echinacea pallida

  Pale Purple Coneflower
  Echinacea pallida
• 

  Purple Coneflower

  Echinacea purpurea

  Purple Coneflower
  Echinacea purpurea
• 

  Sand Lovegrass

  Eragrostis trichodes

  Sand Lovegrass
  Eragrostis trichodes
• 

  Sweet Joe-Pye Weed

  Eupatorium purpureum

  Sweet Joe-Pye Weed
  Eupatorium purpureum
• 

  Wild Geranium

  Geranium maculatum

  Wild Geranium
  Geranium maculatum
• 

  Virginia Waterleaf

  Hydrophyllum virginianum

  Virginia Waterleaf
  Hydrophyllum virginianum
• 

  Dwarf Crested Iris

  Iris cristata

  Dwarf Crested Iris
  Iris cristata
• 

  Blue Flag Iris

  Iris versicolor

  Blue Flag Iris
  Iris versicolor
• 

  Rough Blazingstar

  Liatris aspera

  Rough Blazingstar
  Liatris aspera
• 

  Cylindric Blazingstar

  Liatris cylindrica

  Cylindric Blazingstar
  Liatris cylindrica
• 

  Northern Blazing Star

  Liatris ligulistylis

  Northern Blazing Star
  Liatris ligulistylis
• 

  Dotted Blazingstar

  Liatris punctata

  Dotted Blazingstar
  Liatris punctata
• 

  Prairie Blazingstar

  Liatris pycnostachya

  Prairie Blazingstar
  Liatris pycnostachya
• 

  Yelloweyed Grass

  Lindernia dubia

  Yelloweyed Grass
  Lindernia dubia
• 

  Wild Bergamot

  Monarda fistulosa

  Wild Bergamot
  Monarda fistulosa
• 

  Dotted Mint - Spotted Bee Balm

  Monarda punctata

  Dotted Mint - Spotted Bee Balm
  Monarda punctata
• 

  Hairy Penstemon

  Penstemon hirsutus

  Hairy Penstemon
  Penstemon hirsutus
• 

  Blue Phlox

  Phlox divaricata

  Blue Phlox
  Phlox divaricata
• 

  Pickerelweed

  Pontederia cordata

  Pickerelweed
  Pontederia cordata
• 

  Wild Petunia

  Ruellia humilis

  Wild Petunia
  Ruellia humilis
• 

  New England Aster

  Symphyotrichum novae-angliae

  New England Aster
  Symphyotrichum novae-angliae
• 

  Spiderwort

  Tradescantia bracteata

  Spiderwort
  Tradescantia bracteata
• 

  Blue Vervain

  Verbena hastata

  Blue Vervain
  Verbena hastata
• 

  Hoary Vervain

  Verbena stricta

  Hoary Vervain
  Verbena stricta
• 

  Ironweed

  Vernonia fasciculata

  Ironweed
  Vernonia fasciculata
• 

  Bird's Foot Violet

  Viola pedata

  Bird's Foot Violet
  Viola pedata