The answer to 'best time for irrigation system' is that the best time to run an irrigation system is early in the morning, typically between 2 AM and 6 AM. This is the coolest part of the day, which minimizes water loss through evaporation. Running the system at night can also be effective, but early morning is generally preferred to ensure the soil has time to absorb the water before the heat of the day sets in.
It's also important to consider the local climate and weather patterns when determining the best irrigation schedule. In areas with high temperatures and low humidity, more frequent watering may be necessary to keep plants healthy. Conversely, in cooler, wetter climates, less frequent watering may be required. Consulting with a local landscaping professional can help homeowners determine the optimal irrigation schedule for their specific needs.