The answer to 'why is my flower bed mud' is that there are a few common causes for a muddy flower bed, including poor drainage, overwatering, or heavy foot traffic. Symptoms include standing water, squishy soil, and plants that are struggling to thrive. Some solutions include improving drainage, adjusting your watering schedule, and adding mulch or gravel to the bed.
If the problem persists or you're unsure of the cause, it's best to consult a professional landscaper who can assess the issue and recommend the appropriate solution. They may need to install drainage pipes, amend the soil, or make other adjustments to get your flower bed back in top shape.