Plant of the month series May 2018 for Boulder and Longmont, Colorado area landscapes MAY: COMPACT ORIENTAL SPRUCE Picea orientalis compacta is a slow growing evergreen that is highly prized in a specimen evergreen garden landscape. Growing only 12’ high and 5-6’ wide after 40 years, it is a fabulous addition to a small yard. … More Compact Oriental Spruce is May Plant of The Month