USDA Zone 6: Conifers

Arborvitae, Eastern (Thuja occidentalis)
Arborvitae, Giant or Western (Thuja plicata)
Arborvitae, Oriental (Thuja orientalis, or Platycladus orientalis, Biota orientalis)
Cedar, Atlas (Cedrus atlantica)
Cryptomeria, Japanese (Cryptomeria japonica)
Cypress, bald (Taxodium distichum), deciduous conifer
Cypress, Leyland (X Cupressocyparis leylandii)
Falsecypress, Hinoki (Chamaecyparis obtusa)
Falsecypress, Sawara or Japanese (Chamaecyparis pisifera)
Falsecypress, Whitecedar (Chamaecyparis thyoides)
Fir, Douglas (Pseudotsuga menziesii)
Fir, fraser or southern balsam (Abies fraseri)
Fir, Nordmann (Abies nordmanniana)
Fir, veitch (Abies veitchii)
Fir, white (Abies concolor)
Hemlock, Canadian or Eastern (Tsuga canadensis)
Juniper, Chinese (Juniperus chinensis)
Common juniper (Juniperus communis)
Juniper, creeping (Juniperus horizontalis)
Juniper, japgarden (Juniperus procumbens)
Juniper, Rocky Mountain, also called Colorado redcedar (Juniperus scopulorum)
Juniper, savin (Juniperus sabina)
Juniper, shore (Juniperus conferta)
Juniper, singleseed or flaky (Juniperus squamata)
Pine, Japanese red pine (Pinus densiflora)
Pine, Japanese umbrella (Sciadopitys verticillata)
Pine, lacebark (Pinus bungeana)
Pine, mugo (Pinus mugo)
Pine, ponderosa (Pinus ponderosa)
Redcedar, Eastern (Juniperus virginiana)
Redwood, dawn (Metasequoia glyptostroboides) (deciduous conifer)
Yew, Anglojap (Taxus x media)
Yew, Canadian (Taxus canadensis)
Yew, Japanese plum (Cephalotaxus harringtonia)