An unseasonably late frost threatens early blooming plants and Asheville's budding vineyards, according to the National Weather Service (NWS) in Greenville-Spartanburg. The advisory, issued early this morning, warns that temperatures will dip below freezing overnight in Asheville and surrounding Buncombe County, potentially damaging sensitive vegetation already emerging due to recent warm weather. The NWS predicts that the coldest temperatures will arrive between 2 a.m. and 8 a.m. tomorrow, with