Dwarf Sitka Spruce Tenas A dwarf Sitka spruce cultivar with silvery needles, Picea sitchensis Tenas is a small, very slow-growing, conifer with a dense, rounded habit when young, becoming conical with age. The rather rigid needles are shiny, silvery-green. Sitka spruce Tenas is easy to grow, in a city or courtyard garden. Little or no pruning is needed. It is sometimes known as Picea sitchensis Midget, and can be grown in soil-based ericaceous compost in a large container. Site: Tolerates exposureSoil: Moist but well-drained, acid to neutral soilPosition: Full sun (south- or west-facing)Season of interest: All yearHardiness: Fully hardyHeight: 5-8’ (1.5-2.5m) Spread: 39”-5’ (1-1.5m) in 20-50 years