The de Ruyter's Serbian spruce is a homey conifer with icy blue needles. It has intermediate growth, putting on 6-8 inches per year and can reach 10 feet in height and 8 feet in width. Plant in full sun in moist soil. Upright growth is similar to standard pines, but each plant has a unique growth habit that creates a personal feel to any landscape bed. The blue-green needles make for a clean focal point with color all year round. Hardy down to zone 4 (-30 degrees F).