South West USA to North Mexico. Narrowly conical, evergreen, light grey bark, blue-grey or grey-green foliage. Very attractive. Tolerates drought, Used as a Christmas tree in USA. Seedlings grown from this 'bluest' of all conifers. Parent has pale whitish blue needles up to 5 cm long and arching upwards. Erect cones are dark blue and break up when ripe.

Narrowly conical, evergreen. Dark coloured bark, dark green short needles with 2 silver bands of stomata on the underside. Upright 6 cm cones can appear on young trees. Suitable for the garden, as a long term Christmas tree. Need a well drained soil.

Afghanistan to Nepal. Evergreen, broadly conical. Dark green shiny needles, silvery underneath. Violet-blue erect cones. One of the stronger growing silver firs.

S.E.Australia, a small evergreen mimosa tree with weeping habit, and unusual triangular leaves. The brightest of yellow flowers in early spring.