I planted my golden maple 2 years ago - about 10 ft tall. I put fertilizer in hole before I planted it. I live in a 5 a-b zone, alkaline soil. Last year it was beautiful. But this spring (not sure if due to harsh winter or early buds freezing) but there is leaves only on one branch of the tree. I applied a high nitrogen fertilizer. The tree branches all still have sap in them, not dead. This is mid august. It is planted in a sunny location. Should I move it this fall?