Summary: Guests: Bruce and Erika Horigan of <a href="http://www.urbanlumber.com/">Horigan Urban Forest Products, Inc.</a>, Roy Diblik of<a href="http://www.northwindperennialfarm.com/"> Northwind Perennial Farm</a>, and a special appearance in the second hour by arborist Guy Sternberg of <a href="http://www.starhillforest.com/">Starhill Forest Arboretum. </a> In a completely non-horticultural related appearance, Mike's holiday caroling group, <a href="http://www.frozenrobins.com/">The Frozen Robins</a> take over most of the second hour with their warbling and improvisation.
