perwinkle wildflower or lavender blue

america american americana appalachain appalachia beauty bloom blooming blooms blossom blossoms blue botany bud budding common creeping domestic dry dwarf field flower flowers forest four garden gardens green groundcover group horizontal lavender leaf leaves lesser minor mountain mountains mountian mountians myrtle natural naturalize nature officinalis outdoors pale park parkway perennial periwinkle perwinkle petal petals plant plants pretty purple ridge shape shaped small snow speedwell spring star states united usa vertical vinca virginia wildflower wildflowers