Box blight
://apps.rhs.org.uk/advicesearch/profile.aspx?pid=132 phytophthora has been a problem with conifers, esp junipers down here. but, as dove says, conifers suffer browning for many reasons. red spider, a type of, affects picea Albertiana Conica, for example, and although the effects are seen in summer
by Pots Galore