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In dry areas like Colorado, that's because snow on the north facing slopes melt much later and provides water later in the season. So while the soil on the othe
by lordofgibbons 5y ago
In dry areas like Colorado, that's because snow on the north facing slopes melt much later and provides water later in the season. So while the soil on the other sides are already dry when the sunlight is the strongest, the north slope soil still has water left.
- ericbarrett 5y agoIt's also ferns and moss that can't grow in direct sunlight and high temperatures (120+F ground under sunlight). You'll see this phenomenon even in areas where there's little or no snowpack, e.g. the Diablo range in California.