The holiest plant of the Christmas season may be a raggedy shrub with peeling bark that seems to grow best in a dusty backyard in Tempe, Ariz. This is Boswellia sacra, better known as the ...

Rock’n’roll pioneer turned plant professor runs Mutschler’s Rare Plants in Berks Owner Bob Mutschler went from opening for the Beach Boys to cultivating the world’s most exotic plants.