pinch of green
Uploaded: December 13, 2007
f/10, 1/500, Canon 28-70L macro, 7:37 a.m. CS2 for vignette and red hue shift
This is truly one of nature's most incredible gifts: ice flowers (a.k.a. ice ribbons). They appear during hard frosts in ideal conditions. Water in the soil is drawn up through plant roots and frozen as it touches the sub-freezing air. This frosty hand seemed to be clutching a single blade of grass.
Exif: F Number: 10, Exposure Bias Value: -1.33, ExposureTime: 1/500 seconds, Flash: did not fire, compulsory flash mode, ISO: 400, FocalLength: 51.00 mm, Model: Canon EOS 20D
Rhonda Burger December 14, 2007
How cool is this! I've never seen this before. At first I thought it was a plastic bag. Where does this occur? Geographically.David Boesch December 14, 2007
It's more common than most people realize and has been documented in botanical journals since the early 1800s. This was taken in Southeast Missouri in 2006 and occurs predominantly on plants known as Frostweed. Ideal conditions for this include very wet soil that is exposed to low, sub-freezing temperatures overnight. This one was take close to a stream, in a valley, where temperatures always drop to the coldest degree.Here are a handful of other shots. These help illustrate another common name given to the phenomenon: Frost Flowers.
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