Tsuga mertensiana (western North America)
Habit: Slender small tree or slender large shrub, 8-12 (15) m tall, 2-4 m wide; initially conical, later more cylindrical, slightly twisted and bizarre, crown extremely pointed, nodding upper tip; branches short, in layers, horizontally extended, twigs dense and asymmetrical; slow-growing, 15-25 cm a year; 6 m tall and 2 m wide in 30 years.
Flowers: Male flowers in crimson-violet clusters, pistillate flowers in tiny, upright, crimson cones, May.
Fruits: Large, ca. 8 cm long cones, initially bluish crimson, then blackish grey.
Leaves: Almost radial, short needles, consistently blue-green or only grey, pinnate.
Roots: Shallow and far-reaching, directly under the surface.
Demands: (Sun) light shade to shade, sensitive to heat, likes cool to cold, humid areas, frost hardy; wind resistant.
Soil: Fresh to moist, sensitive to drought; prefers rich, deep, but well drained mineral soil.
Note: A conifer with unusual colours.
Hardiness: Zone 6a