The answer to 'sod not growing' is that there are several common causes, including improper soil preparation, inadequate watering, and pests or diseases. Sod may fail to take root and grow properly if the soil is not properly tilled, leveled, and amended with nutrients before installation. Insufficient or irregular watering after installation can also prevent the sod from establishing a healthy root system. Additionally, weeds, insects, or fungal diseases can inhibit sod growth if not addressed promptly.
In most cases, the solution involves properly preparing the soil, providing consistent watering, and monitoring for and treating any pest or disease issues. However, if the problem persists or the sod was improperly installed, it may be best to consult a professional landscaper who can assess the situation and recommend the best course of action.