introduced

The tree trade ... Norway maple, grand fir

Norway maple has been widely planted in North America as a landscape tree and along city streets. In return, grand fir from the Pacific Northwest has been introduced in Norway.

Sitka spruce in Norway; Norway spruce in the Pacific NW

Have you seen Norway spruce growing as a landscape tree in the Pacific NW? It turns out Norwegians extensively planted Sitka spruce in Norway starting about 100 years ago.