The Marion County ISU Extension Office and Master Gardeners kick off their free Spring Workshop Series today. The short hands-on courses are designed to help residents get their yards and gardens ready for growing season. This week’s course is about pruning trees and shrubs and will by taught by County Extension Program Director Dale Miller. The workshop will take place at a private residence located at 1828 Highway T15 between Knoxville and Pella and begins at 10:30am. All community members are invited to attend and encouraged to dress for the weather.