Dan Honda/Staff photos

Mt. Diablo Nursery and Garden owner Garth Jacober demonstrates pruning techniques on different types of plants at a free Jan. 11 winter pruning class held at his Lafayette nursery and garden center. This was not a "hands-on" session, but rather a demonstration; students took notes and were free to trim their own plants at home afterward.

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NOTE: THIS WAS NOT A HANDS ON CLASS. IT WAS A LECTURE/DEMONSTRATION CLASS. Owner Garth Jacober demonstrates pruning techniques on different types of plants
NOTE: THIS WAS NOT A HANDS ON CLASS. IT WAS A LECTURE/DEMONSTRATION CLASS. Owner Garth Jacober demonstrates pruning techniques on different types of plants at a free winter pruning class held at Mt Diablo Nursery and Garden in Lafayette, Calif., on Saturday, Jan. 11, 2014. (Dan Honda/Bay Area News Group)