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The Frost-Nipped Legacies of the past winter's cold spells might not be hard to spot in February, especially in the inland areas where overnight lows dipped to below-freezing. Look for brown lawns, half-dead-looking avocado trees, and wilted ornamental plants like poinsettias. One common frost-sensitive native plant, the laurel sumac, is responsive of the reach of cold air. Laurel sumac is often the largest and most conspicuous plant growing within the coastal sage-scrub type of vegetation native to San Diego's undisturbed canyon hillsides. Wherever freezing-cold air has sunk into low lying canyons and basins, laurel sumac bushes tell the story by appearing brown and withered a few weeks later.
The Frost-Nipped Legacies of the past winter's cold spells might not be hard to spot in February, especially in the inland areas where overnight lows dipped to below-freezing. Look for brown lawns, half-dead-looking avocado trees, and wilted ornamental plants like poinsettias. One common frost-sensitive native plant, the laurel sumac, is responsive of the reach of cold air. Laurel sumac is often the largest and most conspicuous plant growing within the coastal sage-scrub type of vegetation native to San Diego's undisturbed canyon hillsides. Wherever freezing-cold air has sunk into low lying canyons and basins, laurel sumac bushes tell the story by appearing brown and withered a few weeks later.