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Pinus strobus 'Blue Shag'
  • RHS AGM

Weymouth pine 'Blue Shag'

A dense, rounded, dwarf, evergreen conifer with short, blue-green needles in clusters of five. Once established. cylindrical green female cones appear in late Summer-Autumn, ripening to brown. Shows tolerance to salt-laden air, ideal for coastal planting

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
10–20 years
Ultimate spread
1–1.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Well–drained, Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Green Brown
Winter Green
Position
  • Full sun
Aspect

West–facing or South–facing or East–facing

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H7
Botanical details
Family
Pinaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
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 any well-drained soil in full sun

Propagation

Propagate by seed

Suggested planting locations and garden types
  • City and courtyard gardens
  • Gravel garden
  • Rock garden
  • Coastal
  • Low Maintenance
Pruning

No pruning required

Pests

May be susceptible to aphids, pine shoot moth, sawflies, adelgids

Diseases

May be susceptible to honey fungus and needle cast diseases

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