Magnolia Grandiflora AKA Bull Bay One of the wonderful things about life in an old rock farmhouse is the mature trees that came with our property. We have a Magnolia Grandiflora that is estimated to be over 100 years old. It is spectacular! Wellknown for waxy, dark green leaves and huge, fragrant, white blooms in late Spring thru early Summer, Southern Magnolia trees can add interest all year. Let us not forget the quiet beauty of their seed pods in Autumn.