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How-To Guide

How to Winterize Your Irrigation System & Garden Tools

Mild San Diego winters rarely need pipe blowouts. Turn irrigation down or off for rains, add a rain shutoff, and store tools dry.

Irrigation system and tools ready for rainy season
Now

Cut or pause irrigation when storms arrive.

Why

California guidance often means shutting irrigation during the rainy season, not freeze-climate compressor blowouts.

Next

Test a rain shutoff, flush drip, store hose-bib timers dry.

Kit

  • Controller access / app
  • Rain shutoff sensor (retrofit if missing)
  • Filter wrench / spare screens for drip
  • Tool oil, sharpening stone, dry storage
Illustration of an irrigation shutoff valve beside tools stored dry
Illustration: shutoff valves and dry tools. Not a photograph. Not a San Diego bed.

Do this

  1. Cut or pause irrigation for rains

    Turn controllers off or sharply reduce runtimes when storms arrive. Manually test each valve before you walk away for weeks.

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  2. Install or test a rain shutoff

    A rain sensor stops scheduled runs after rainfall on most systems.

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  3. Service drip filters and ends

    Clean filters, flush line ends, and map zones so spring repairs are faster.

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  4. Store hose-bib timers indoors

    Remove batteries from hose-end timers and keep them dry between seasons.

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  5. Clean and oil tools

    Brush soil off, sharpen blades, oil pivots, and hang in a dry spot. Sandy coastal air still corrodes.

    UC.

Want irrigation paused and checked before the rains? Gardens of Gold installs and repairs irrigation in San Diego County. Get a quote.