Abies - Firs
Abies is a genus in the family Pinaceae. It is a large genus of tall trees native to mountains in the northern hemisphere. One of the distinctive characteristics of the genus is their soft needle-like leaves that all face upward. Firs are shade tolerant and can grow in any soil. Most species grow in a continental climate, so winter warm spells could cause damage in young shoots.
Chamaecyparis - False cypress
Chamaecyparis is a genus in the Cupressaceae family. The genus contains seven species native to E-Asia and NW-America. They grow in shaded coastal woods with ample precipitation. Therefore they need sheltered places and moist soil.
Juniperus - Junipers
Juniperus is a genus of 60 species in the family Cupressaceae distributed around the northern hemisphere. They are slow growing, wind tolerant shrubs or trees that can tolerate dry, poor soil and prefer a sunny growing position. One species is native to Iceland.(*)
Larix - Larches
Larix is a genus in the Pinaceae family that includes 10 species, most of which grow in a continental climate. They have soft needle-like leaves that drop in the fall.
Pinus - Pines
Pinus is a large genus in the Pinaceae family with over 100 species. They are distributed around the northern hemisphere. Their defining characteristic is long needles which often grow in clusters, usually 2-5 needles per cluster.
Taxus - Yews
Taxus is a small genus in the Taxaceae family. All species of the genus are closely related and some botanists want to categorize them all as subspecies of T. baccata. Others describe 9 species. Yews have flat, dark green, needle-like leaves and their seeds are born in cones that resemble open red berries, each containing one seed. All parts of the plants are toxic, including the seeds.
Thuja - Arborvitaes
Thuja is a small genus of 5 species in the Cupressaceae family, native to Asia and N-America. They are evergreen shrubs or trees with flat leaves on fan shaped, flat branches.
Tsuga - Hemlocks
Tsuga is a genus in the family Pinaceae which includes 10 species native to N-America and Asia. They have short, needle-like leaves and drooping top shoots. They are fairly shade tolerant.