'Alaska' is an upright, compact, small tree with narrow, evergreen, glossy, deep-green, spiny foliage. In summer it has tiny white, inconspicuous flowers and produces red berries from autumn until early spring. Location: Grow in free-draining, humus-rich soil in full sun. Care: Requires little to no pruning. Approx. Height x Spread (m): 5.5x3m after 10-20 years.