Freezing temperatures and snow are an important part of our environments cycle. The deeper the freeze and the longer the time it remains at 20 degrees or lower affect the insect population especially the bore problems we've been battling that live just in the cambium layer on trees. Without that deep sustained freeze expect pest population to be at an all time high.
Falling snow actually attaches to the nitrogen molecules in the air and slow releases with the snow melt water moving it into the root system. Conifers and Evergreens especially depend on this slow release of moisture and nitrogen so we will need to do tree fertilization and don't hesitate to water your evergreens now so long as you drain the hose and remove it from the faucet before the evening freeze.
If we have a warm spring with rain; we are going to see fungus like we've never had to battle before. Fungus is best treated before the outbreak so consider applications soon. Your leaves harbor fungal spores so make sure they are removed - reminds me, I need to get my Sycamore leaves cleaned up...guess I know what I'm doing this weekend.
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