The answer to 'landscape design not growing' is that there are several common causes, including poor soil quality, inadequate sunlight, improper watering, and pest or disease issues. Symptoms may include stunted growth, yellowing or wilting leaves, and bare or patchy areas in the landscape.
To troubleshoot and resolve the problem, start by assessing the soil conditions. Test the pH and nutrient levels, and amend the soil as needed. Ensure plants are receiving the right amount of sunlight and water. Inspect for signs of pests or disease, and treat accordingly. If the issues persist, it's best to consult a professional landscaper who can provide a comprehensive evaluation and recommended solutions.