The answer to 'flower bed not growing' is that there are several common causes, including poor soil quality, lack of sunlight, improper watering, and pest or disease issues. Symptoms may include stunted growth, yellowing leaves, and lack of blooms. Solutions can include amending the soil, adjusting watering and sunlight, and addressing any pest or disease problems.
If the flower bed issues persist despite your best efforts, it's best to consult a professional landscaper or horticulturist. They can assess the specific conditions and provide expert guidance on how to get your flower bed thriving again.