Plants With Blue Purple Flowers

Campanula primulifolia

Campanula
'Ringsabell Indigo Blue'

Caryopteris incana
"Blue Myth"

Caryopteris incana
"Bluebeard"

Catananche caerulea
"Cupid's Dart"

Cauliflower 'Graffiti'

Ceanothus
'Centennial'
"California Lilac"

Ceanothus delileanus
'Gloire de Versailles'

Ceanothus hearstiorum
"Hearst Ranch Buckbrush"

Ceanothus
'Joyce Coulter'

Ceanothus
'Julia Phelps'

Ceanothus
'Midnight Magic'

Ceanothus
'Ray Hartman'

Ceanothus thyrsiflorus
'Skylark'

Ceanothus thyrsiflorus var. griseus
'Yankee Point'

Ceanothus x impressus
'Dark Star'

Centaurea cyanus
'Blue Diadem'
"Bachelor's Buttons"

Ceratotheca triloba
"African Foxglove"

Cerinthe major purpurascens
"Blue Honeywort"

Cerinthe retorta