About

Picea sitchensis, the Sitka spruce, is a narrowly conical coniferous tree to 50 m with wide-spreading branches when old. The bark is purple-brown becoming grey; the sharply pointed, dark-green, needle-like foliage is striking. It produces cylindrical, green then pale-brown seed cones. The fastest-growing of all spruces � a major timber and ornamental tree.

About the genus

Picea, the spruces, are evergreen trees with rigid, needle-like leaves arranged singly all round the shoots and narrow, leathery-scaled cones borne near the ends of the shoots. A large genus of ornamental conifers ranging from large trees to compact dwarf cultivars.

Growing conditions

SunlightFull sun
Soil typeClay, Loam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, South-facing, West-facing
ExposureSheltered
UK hardinessH7

Plant details

Plant typeConifers, Trees
HabitColumnar upright
FoliageEvergreen
HeightHigher than 12 metres
Spread2.5-4 metres
Time to full height20-50 years
Suggested usesArchitectural
Native toCoastal W. North America

Care notes

CultivationGrow in any deep, moist but well-drained, ideally neutral to acid soil in full sun. See conifer cultivation for more advice
PruningNo pruning required
PropagationPropagate by seed, grafting or hardwood cuttings
Pest resistanceMay be susceptible to adelgids, red spider mite and conifer aphid
Disease resistanceMay be susceptible to honey fungus