There are about 100 species in this genus, they are moderately fast-growing evergreen conifers which vary in size. The leaves are flat and usually narrow, Like most conifers they produce woody cones.
Microclimate
Sun
Shelter
Aspect
Hardiness
Drainage
Moist conditions with high humidity.
Soil Type
Fertile, humus-rich soil, but preferably not soils overlying chalk or limestone.