It does not form any natural hybrids. Sullivan, Janet. 1993. Spruce pine tends to be a scattered component of the overstory in southern mixed-hardwood forests. It is rarely found in pure stands and is not cited as a dominant tree in any association. Spruce pine wood is brittle, close-grained, and not durable.
Most pines are important resources for wildlife, both for food and cover.
Specific information on wildlife use of spruce pine is lacking. Spruce pine is a medium-sized, native, evergreen conifer. The bark is smooth on young trees, later developing close ridges with flat plates on the lower trunk of older trees. Spruce pine develops a moderately deep taproot, with numerous moderately deep lateral roots. The small, winged seeds are released upon maturity and disseminated by wind.