periwinkle plants color violet in garden.

april background beautiful beauty bigleafperiwinkle bloom blooming blossom blossoming blue blueperiwinkle botanical botany bright closeup color day decoration decorative easter flora floral flower fresh freshness garden gardenperiwinkle greaterperiwinkle green greeting growth harmony herb herbal holiday largeperiwinkle leaf lively macro medicinal medicine minor mothers natural nature ornamental periwinkle petal petals plant plants postcard purple romantic season spring summer vinca violet white wild wildflower