The answer to 'why is my garden drainage problems' is that poor drainage can be caused by a variety of factors, including soil composition, grading issues, and blocked drainage systems. Symptoms of poor drainage include standing water, soggy soil, and the growth of water-loving plants.
Common solutions include improving soil drainage, regrading the landscape, and installing drainage systems like French drains or dry wells. DIY options like improving soil quality or adding drainage pipes may work for minor issues, but more complex problems often require the expertise of a professional landscaper to diagnose and fix the underlying cause.