Re: Douglas Fir The sap running down is the trees' method of healing itself. You mentioned a crevice. The tree could have been struck by lightning.
Cut it down, hire an excavator and pull it out. Replant the area with a better hedge option or leave the area open.
I have a neighbour who insists on keeping a hedge made up of Douglas Fir trees. It is planted inches from our property line and is a maintenance...
