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TreesConifers

Pinus cembra 'Stricta'

Arolla pine 'Stricta'

A slow growing, fastigiate form of the typical species, growing into a narrowly conical shrub up to 6m (20ft) tall and a spread in excess of 2.5m (8ft) when mature. The evergreen, dark-green needles are soft, thin, glossy and densely produced, giving the tree a ruffled texture from a distance. The tree does not typically have a clear, visible trunk until quite old, but instead the canopy exists from the tree's apex to ground level, with the tree retaining its lower branches for much longer than other pines. The tree is primarily grown for its architectural shape and texture as the bark and cones are of little ornamental significance

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Ultimate height

8–12 metres

Time to ultimate height

10–20 years

Ultimate spread

2.5–4 metres

Loam

Sand

Moisture

Well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing

Exposure

Exposed or Sheltered

Drought resistance

Yes

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Pinaceae
Native to the UK: No
Foliage: Evergreen
Habit: Columnar upright
Genus: Pinus can be shrubs or large, evergreen trees, some species with attractive bark, developing an irregular outline with age and bearing long needle-like leaves in bundles of 2, 3 or 5; conspicuous cones may fall or remain on the tree for years
Name status: Accepted

How to grow

Cultivation

Grow in well-drained, preferably neutral to acidic soil in full sun

Propagation

Propagate by grafting

Suggested planting locations and garden types

Architectural
Cottage and informal garden
Low Maintenance

Pruning

No pruning required

Pests

May be susceptible to adelgids, conifer aphid, sawfly larvae, and pine shoot moth

Diseases

May be susceptible to honey fungus and needle cast diseases

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