close-up of a catawba rhododendron bud

america american americana appalachain appalachia appalachian beauty bloom blooming blooms blossom blossoms blue botany bubudding bud catawba catawbiense close closeup domestic eaves ericaceae ericales flower great green horizontal hymenanthes leaf mountain mountains mountian mountians natural nature outdoors park parkway pink plant pretty rhododendron ridge roanoke spring states summer united usa vertical virginia white winter