Pinus sylvestris

Scotch Pine

Pinaceae

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Habitat

  • native to the Europe, from Norway to Spain, and to parts of Asia
  • cold hardy to zone 2

Habit and Form

  • evergreen tree
  • in youth has a conical shape, becoming a flat-topped, spreading tree with age
  • can be very attractive when mature
  • 30' to 50' tall, with an almost equal spread
  • horizontal branching habit
  • medium texture
  • medium growth rate

Summer Foliage

  • stiff, serrated, green to blue-green needles
  • 2 needles per fasicle
  • needles have a 360 degree twist
  • needles vary greatly in length, 1.5 to 4" long

Autumn Foliage

  • no fall color (evergreen)
  • foliage on some trees develops a yellow cast
  • needles persist 3 years

Flowers

  • monoecious
  • no ornamental value

Fruit

  • dull brown cone, 1" to 3" long
  • small, fat conical
  • held alone or in clusters of 2 or 3
  • cones fall from tree at maturity

Bark

  • gray-brown, but peels to show a red-orange color
  • red-orange color is especially striking on the upper trunk and branches
  • new stems are green and change to brown
  • bark peels in thin scales giving a shredded appearance

Culture

  • prefers a well-drained, acidic soil
  • wind resistant
  • transplants easily
  • full sun
  • very tolerant of infertile and dry soils

Landscape Uses

  • attractive specimen, good accent plant
  • possible choice for difficult sites
  • often used as a Christmas tree
  • excellent in floral arrangements
  • effective in mass
  • effective screen when young
  • useful for bark color
  • shade tree

Liabilities

  • needles are sharp to the touch
  • considerable genetic variation in needle color and plant vigor due to large geographic range
  • some trees are weak growers and have yellow-green needle color
  • can get Diplodia Needle Cast disease
  • pine needle scale

ID Features

  • needles have a 360 degree twist
  • bark peels to reveal a reddish color at the top of the tree
  • 2 needles per fasicle
  • needles have a blue-green appearance
  • needles sharp-pointed

Propagation

  • seeds germinate very easily, no additional treatments required

Cultivars/Varieties

'Aurea' - The light green needles of this slow-growing tree turn bright yellow in winter, adding color to a bleak landscape.

'Beauvronensis' - An old cultivar, this plant reliably produces a compact, dense mound of needles. It is slow-growing and very broad in habit.

'Fastigiata' (also listed as f. fastigiata) - This is a strictly columnar form that may reach 25' tall and only a few feet wide. It is among the most fastigiate conifers available, but has a tendency to break up under winter ice and snow loads. It may benefit from being tied together. The needles are blue-green. 'Spaan's Fastigiate' is a slower-growing fastigiate form that is less susceptible to breaking up under snow and ice.

'Hillside Creeper' - A groundcover form, this plant grows vigorously to form an undulating carpet of medium green needles. 'Albyn Prostrata' is a similar form with thick, shiny green needles.

'Pumila' - Forming a large upright shrub with a broadly rounded habit, this selection is useful as a hedge or focal point. The needles are blue-green.

'Watereri' - This is a popular cultivar that typically reaches about 10' tall with a dense pyramidal growth habit. The needles are a steely blue color.

© Copyright Mark H. Brand, 1997-2015.

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Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.