I planted my blue spruce to deep about 5 years ago. The branches are even with the ground. How tall should they be before I can tr
I trimmed mine up off the ground for a 2 to 3 inch clearance at the 4 years old stage. The height varied on them a bit but all did just fine. I water them with a product called Super Thrive in the water after such trimmings to help them deal with any shock or stress from the trimming up.