Thanks for the replies everyone.
If I made these any larger I'd have to raise the ceilings in my apartment!
In regards to how I made them, I watched a few different tutorials and read a few different articles and pulled techniques from each.
I used an 8mm wide dowel, trimmed it from the middle point to the top to give in the tapered appearance as well as to make it not perfectly circular.
Then I took some pliers that had serrations and pulled the dowel through the pliers as I gripped it to give it the "bark" appearance.
Painted the trunk a dark brown (I can find the exact color later), then drybrushed it multiple times with a light gray color and a buff color, going back and forth to give it multiple layers.
For the branches I used seafoam ordered from Amazon. I couldn't find anything I liked anywhere else. I know asparagus fern is a popular options but I liked the sea foam more because it gives the branches more "body" where as asp. fern has a more flat appearance in it's branches. So you'll end up having to put a lot more on the trunk which means more holes to be drilled.
Before placing the branches in the drilled holes, I sprayed it with photo adhesive, then sprinkled a healthy dose of static grass to mimic pine needles, let dry 24 hours, then sprayed it a dark pine green color, let dry. Then I randomly placed the branches into the drilled holes, switching them if it didn't look right. Then once the glue was dried sprayed from the top down some more photo adhesive, then gave a moderate to healthy dose of powdered snow (woodland scenic)
Very easy process, and I very much like the way it came out. I can post more pics of the trees if there's interest.