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What are frost flowers?

It’s the time of year when frost starts to affect large parts of the Southeast. One of the interesting phenomena that can occur in these chilly conditions are something called “frost flowers”. Basically, they are formed by thin ribbons of moisture freezing in the soil and being extruded upward into the air, resulting in fragile structures that look like flowers emerging from the ground. I have seen these on Mount Haleakala in the Hawaiian island of Maui, but of course we can also see these in our own backyards if the conditions are right. Here is a description of what frost flowers are.