Here, we've compiled everything you need to know about how to sharpen pruning shears. If you're using the same tool for everything, from pruning fruit trees to pruning hydrangeas, it makes sense ...
Use a whetstone to sharpen pruning shears and other blades. Wear gloves while sharpening to protect your hands and wipe off the tools with a clean cloth when you're done. Step 4: Sterilize.