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Frost Protection

FROST damage can occur in foothill vineyards in Spring and in Fall, and should be a consideration when choosing a vineyard location and appropriate varieties.

Rick Snyder, UC Biometeorology Specialist, has training units, available in English and Spanish here on his website.

Active Frost Protection: Water
Active Frost Protection: Wind Machines
Passive Frost Protection
Methods of Measuring Temperature

Rick Snyder's handouts from his "Frost Protection" presentation as PDF FP_GrapesColor

Links from Rick's website:

When to turn sprinklers on or off for frost protection.

Predicting temperature trends during freeze nights.

A simple method to measure the dew point temperature.

Sprinkler application rates for freeze protection.

Principles of frost protection.


National Weather Service Forecast Office-Sacramento