2 types of freezes occur in California vineyards

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Spring can be a risky time in vineyards, when bud break has occurred, but the risk of frost has not yet passed. For vineyards whose climate conditions include the risk of frost during this

period, there are many different methods that can be used to protect vines from frost damage.

There are two types of freezes that occur in California vineyards: advective freezes and radiation freezes.

Advective freezes are rare in California winegrowing areas, and are most likely to happen during the winter dormant season. These freeze events occur when large arctic air masses blow across the landscape, covering entire areas. Advective freezes are generally accompanied by very strong winds. In severe advective freezes, it is unlikely that all crop damage can be prevented.

Radiation freezes are more common in California winegrowing areas, and can occur frequently during the spring season. Radiation freezes occur on calm, clear nights when the heat from the ground radiates upward. The cold air is heavier than the warm air, and subsequently settles in areas of lower elevation. As the cold air stays low and the warm air rises, the air becomes stratified and a temperature inversion forms. Multiple frost protection methods are designed to raise ground level temperatures by mixing the stratified warm and cold air layers.

As a professional China vineyards antifrost candles wholesaler, we suggest all vineyard managers to set anti-frost candles around every trees. We have big antifreeze candles factory to supply enough vineyards anti frost candles. Hope your vineyard or orchard can be safe during this winter and spring.

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