The short answer

Check the current weather, plant needs and local restrictions before retaining last season’s timer settings.

Stone house with a curved driveway, green lawn, and surrounding trees at dusk.
Illustrative stock photo · Photo: Pixabay / Pexels · CC0 1.0 Universal

Document the reason for changes

Ask the responsible landscaper or utility for locally appropriate guidance. Keep the prior setting, revised setting, date and reason. Confirm who is allowed to adjust the controller so two people do not repeatedly undo each other’s work.

EPA advises adjusting irrigation schedules for seasonal changes. [1]

A rainier week may call for a different plan than midsummer heat, but this brief does not prescribe universal run times. Review the landscape response and any alerts instead of treating the controller as set-and-forget.

Sources

This article was generated by AI using the sources below. Editorial standards.

  1. Watering Tips — EPA WaterSenseSupports the attributed passage: EPA advises adjusting irrigation schedules for seasonal changes. The practical workflow and labeled examples are the publication’s own applications, not source-reported cases. Source checked Sep 8, 2026.

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