USDA Zone 3: Conifers

Arborvitae, Eastern (Thuja occidentalis)
Fir, veitch (Abies veitchii)
Hemlock, Canadian or Eastern (Tsuga canadensis), Zone 3b
Common juniper (Juniperus communis)
Juniper, Rocky Mountain, or Colorado redcedar (Juniperus scopulorum), Zone 3b only
Juniper, savin (Juniperus sabina)
Larch, Eastern (Larix laricina)
Pine, Austrian (Pinus nigra), Zone 3b
Pine, Eastern white (Pinus strobus)
Pine, Japanese red pine (Pinus densiflora), Zone 3b
Pine, mugo (Pinus mugo)
Pine, ponderosa (Pinus ponderosa)
Pine, red (Pinus resinosa)
Redcedar, Eastern (Juniperus virginiana), Zone 3b
Spruce, bird's nest (Picea abies 'Nidiformis'), Zone 3b
Spruce, Colorado (Picea pungens)
Spruce, Norway (Picea abies), Zone 3b
Yew, Canadian (Taxus canadensis)