Advent Calendar--December 11

I can't believe I didn't get this done earlier, but I've been running since 4:30 a.m.

Here it is, the riddle poem for today:

I'm an evergreen welcome sign
Friendly to Thor, to winter,
To visitors, both friend and foe alike

I might be plain old needles
Or dressed up with a bow
Lights
Pine cones
Tinsel
Tiny presents
Or anything human imagination
Can divine.

But know, if me you see,
That you are welcome, one and all!

Who am I?


(Yesterday's answer--bag of toys)