The answer to 'irrigation installation not growing' is that there can be several common causes, including improper installation, inadequate water pressure, clogged or damaged sprinkler heads, and issues with the irrigation timer or controller. Symptoms may include uneven or patchy grass growth, dry spots, and decreased plant health.
To troubleshoot, first check the irrigation system for any leaks, clogged or malfunctioning sprinkler heads, and ensure the timer is set properly. You may need to adjust the water pressure or schedule to ensure plants are getting adequate moisture. If the issues persist, it's best to call in a professional landscaping or irrigation specialist to diagnose and repair the system.