bush of mahonia aquifolium covered with hoarfrost in mid january

aquifolium berberis branch bush chill cold cover covered crystalline crystals desublimation evergreen foliage freezing frost frozen glossy grape grapeholly green greenery hoar hoarfrost hollygrape hollyleaved ice january leaf leafage leaflets leathery mahonia mid nature oregon ornamental perennial pinnate plant prickle pruina purple radiation red rime season shrub snow spicules weather white winter wintry