Pinus strobus 'Blue Shag'

RHS Plant Profile
Weymouth pine 'Blue Shag'
Award of Garden Merit
Shrubs

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

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
10–20 years
Max Spread
1-1.5 metres
Max Height
1-1.5 metres

Growing Conditions

Clay Loam Sand
Moisture
Well–drained or Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness
H7
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Pinaceae
Native to GB/Ireland
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