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Frost Protection

Napa County vineyards are subject to injury from spring frost.

Richard Snyder , UC Cooperative Extension Biometeorologist, provides information on frost protection, including topics such as frost protection techniques and dew point calculations.   

Double pruning  is a cultural practice that can be used to avoid or minimize frost damage to vines.

McGourty et al. (2010) evaluate several techniques for  treating frost-damaged vines to stimulate new shoot development. 



vineyard frost