shoots of picea pungens covered with hoar frost

blue branch cold colorado conifer coniferous cover covered crystalline crystals desublimation evergreen foliage forest freezing frost frozen garden green greenery greygreen hoar hoarfrost ice january layer leaf leafage mid nature needle ornamental outdoors park perennial picea plant prickle pruina pungens radiation rime rimming shoots snow spicules spiny spruce tree vegetation weather white winter woodland