The answer to 'hedge maintenance tips' is to regularly trim and prune your hedges to maintain their shape and promote healthy growth. This typically involves trimming the sides and top of the hedge every 4-6 weeks during the growing season, and a more thorough pruning once or twice per year to remove any dead or overgrown branches.
It's important to use the right tools for the job, such as hedge trimmers, pruning shears, and a ladder if the hedge is tall. Always wear protective gloves and eye protection, and be careful not to cut the hedge too short, which can damage the plant. If the hedge becomes overgrown or unruly, it may be best to call in a professional landscaper to get it back into shape.