There are a few nights in the upcoming 10-day forecast that predict temperatures at 32^°F or lower. Almonds are more resistant to freezing temperatures when they are in the pink bud stage (that ship has sailed…), a little less so when they are in bloom, and even less once they are small nuts. The critical temperatures for almonds are shown in the table below.

Percentage of almond blossoms or nuts damaged by exposure to different freezing temperatures during different growth stages. From the Almond Production Manual. Click photo to enlarge.

Other resources as you are thinking about frost protection:

• When to turn sprinklers on and off for frost protection
• Implementing frost protection
• Rates of water to apply