How to Prepare Your Sprinkler System for Winter in Houston

While Houston winters are mild compared to other parts of the country, occasional freezes and changes in watering needs make it essential to prepare your sprinkler system for the colder months. Proper winter preparation ensures your system remains in excellent condition and compliant with Texas watering regulations.

Steps to Prepare Your Sprinkler System for Winter

  1. Inspect the System
    Schedule a professional inspection to check for leaks, damaged sprinkler heads, and any system inefficiencies. Addressing these issues now prevents further damage during winter.
  2. Adjust the Watering Schedule
    Depending on local guidelines, Texas law often restricts irrigation to specific days and times. During winter, plants and lawns typically require 50-70% less water due to cooler temperatures and lower evaporation rates.

    • Water once every two weeks if there has been no rainfall.
    • Water early in the morning to prevent water from freezing on grass overnight.
    • Avoid overwatering, as dormant grass and plants can suffer from fungal growth.

*Check with your local water district for specific regulations in Houston.

  1. Protect the Backflow Preventer
    Backflow preventers are crucial for protecting your water supply from contamination. To prevent freeze damage:

    • Wrap the device with insulating materials, such as foam or a backflow cover.
    • Secure it with waterproof tape to keep moisture out.
  2. Drain and Insulate
    Even in Houston’s mild winters, unexpected freezes can damage pipes. Professional winterization services will drain residualwater from the parts of the system that are not far enough below ground. They will also insulate exposed valves to prevent cracks. This isn’t always necessary in Texas, if you have any concerns give us a call and we can advise. 
  3. Turn Off Automatic Timers
    If rain or freezing conditions are forecasted, ensure the system’s automatic timer is turned off. This prevents unnecessary watering and reduces the risk of damage.
  4. Monitor Freeze Alerts
    Use a freeze sensor, installed by a professional, to automatically shut off your system when temperatures dip below freezing.

What is Dormant Grass? 

Dormant grass refers to grass that has temporarily stopped growing due to seasonal changes, typically during winter or periods of drought. While the grass may turn brown or lose its vibrant color, it is not dead—its roots are still alive and storing energy to resume growth when favorable conditions return, such as warmer temperatures or increased rainfall.

Dormancy is a natural way for grass to conserve resources and survive adverse conditions. In Houston, warm-season grasses like St. Augustine, Bermuda, or Zoysia commonly enter dormancy during colder months, requiring minimal watering and maintenance.

Professional Winterization Services in Houston

Proper sprinkler system preparation requires expertise. A professional service can:

  • Conduct a thorough inspection.
  • Winterize the system by draining water and insulating pipes as needed.
  • Ensure compliance with Texas water regulations.
  • Install and test freeze sensors for added protection.

Protect Your Investment

Preparing your sprinkler system for winter in Houston not only safeguards your equipment but also helps conserve water and ensures your lawn is ready to thrive when spring arrives. 

Schedule a professional winterization service today to avoid costly repairs and maintain a healthy yard year-round. Give Triple Green a call at (832) 821-6042 or reach us online. 

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