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I was thinking the very same thing as Bueller - the pines and spruce should start to take off now. I find they usually don't do much the first 2 or 3 years - then- boom. I put some 10-10-10 down around all my spruce starting in 2nd year, and it seems to get them popping. We have a BATCH of white pine and pitch pine seedlings naturally and once they get to 20" to 2 ft. - they jump big-time each year then. Fertilizer will def. help.
Badgerfowl, would you happen to know which tree in the area is full of red buds already? I found a pretty good sized tree (~10" diameter) on my place that I hadn't noticed before. The bark was smoother than the black oaks of that size but the color was similar.