In some parts of the country like San Diego, the transition from summer to fall to winter is subtle. There are no obvious signs like colorful fall leaves – unless you take the time to look. Liquid Ambar trees are starting to turn red, and both sycamores and cottonwoods in the valleys and canyons are turning yellow right now. But you can still feel the steeper temperature drops from daytime highs to nighttime lows and the steady cooling trend.
Your container plants living outside feel it too. Some of them need protection from the coldest winter weather. In San Diego County, we have four climate zones – coastal, inland, mountains, and desert.…
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