trefle.io · Taken Jun 1, 2020 by Tys Boelema (cc-by-sa)
Pinaceae
Sitka spruce
Picea sitchensis
Also known as Picea falcata, Picea menziesii var. crispa, Abies merkiana, Picea sitchensis f. speciosa
Native Plants · Trees & Shrubs · Conifer · Evergreen · Spruce · Large Tree · Coastal · Wildlife Tree · Timber · Acidic Soil · Northwest Native
Sitka spruce is a large, fast-growing conifer best suited to cool, moist climates with plenty of open space. Plant in full sun to partial shade in well-drained but consistently moist, acidic soil. Once established, it requires minimal care beyond protecting young trees from deer browse and ensuring adequate moisture during dry spells.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Deep water to saturate the root zone; avoid waterlogging · Every 10-14 days when young; established trees rely on rainfall
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 3.9–5.7
- Temperature
- -25°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 240 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Austria, Belgium, British Columbia, California, Czechoslovakia, Denmark, France, FøRoyar, Germany, Great Britain, Iceland, Ireland, Netherlands, Newfoundland, Norway, Oregon, Poland, Washington
- Attracts
- Birds
Sources: trefle, usda
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