Water deeply and regularly for the first growing season to promote root growth in the Norway Spruce. Mulch around the base, but not touching the trunk to avoid moisture issues. The tree will naturally grow a shape that is attractive, so don't fear pruning only damaged or dead branches. Typically, fertilization is not required; however, if soil nutrient levels are low. An established Norway Spruce does not require much maintenance and will live for years with proper amounts of light exposure and watering every few months.