Now that the spring season is in full swing in the Chicago area, there are more people working in their yards, mowing the lawn, planting gardens, and tending to their trees.  Much of the yard work that is done in the spring involves new planting, whether it is the planting of new flower beds and vegetable gardens or spreading seed for grass.  For these types of plants, spring is the best season to do some new planting.  But what about planting...