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Now that we’ve passed Thanksgiving, which is the average first frost date for us here in Pasadena and other foothill locales, and we have snow on the San Gabriel mountains down to about 3000 feet, we gardeners start paying much closer attention to nighttime temperature forecasts and their threat of frost.
Even with another cold and wet storm promised for later this week, our gardens do have one big advantage this year – the soil is already thoroughly saturated from the 1.5 inches of rain we’ve had from last week’s storm. This means that plant and tree roots and foliage are fully hydrated and therefore able to withstand at least minimal freezing-temperature chill.
A nice relief after so many years of drought!
Of course, our Southern California drought will never really end since we live where we do, but at least our plants are going into the chill of this winter with their cells full of protective water!
Here are some other protective techniques to employ in our gardens, should the weather warrant it on dry, windless, clear nights:
For other garden tasks and opportunities this month, see Monthly Tips.