In Alaska, don't count on seeds traveling more than 300-400 feet from windward side of the seed source. Spruce seeds are subject to predation by small animals. This type of seedbed is also ideal for the establishment of many other species, including birch, aspen, alder, fireweed, and bluejoint reed grass. In mature stands, natural regeneration occurs on a variety of seedbeds, including rotted logs, feather moss, and associated organics, but the best seedbeds in mature stands are exposed mineral soil after wind throw, flooding, or fire. Stocking is low and highly variable, but is best on exposed mineral soil microsites.
Growth is best at full light intensity.
White spruce is capable of responding to release from a very young age to 200 or more years. Relationship between Epilobium angustifolium phenology and Picea glauca seed maturation. Nienstadt, H. and J.C. Zasada. Agriculture Handbook 654. Youngblood, A. and T.A. Max.