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Tree Species: Scots pine (Pinus sylvestris)

Oliver Lewis avatar
Written by Oliver Lewis
Updated yesterday

1. Native / Non-native Status

Native to the UK, Europe, and Asia. The UK’s only truly native pine species, once widespread but now mainly found in Scotland’s Caledonian Forest remnants.

2. Evergreen / Deciduous

Evergreen – retains its needles year-round.

3. Appearance

Leaves: Needles in pairs, 4–7 cm long, twisted, blue-green to grey-green. Arranged in bundles of two.

Bark: Distinctive – grey-brown and fissured on lower trunk, becoming flaky, papery, and orange-red higher up.

Flowers/Fruit/Seeds: Male flowers small, yellow, clustered at the base of shoots in spring. Female flowers are purple cones, maturing into woody cones 3–7 cm long, which release winged seeds after two years.

Overall shape: Tall, straight trunk with a high, spreading crown. In open sites, develops a broad, rounded crown; in plantations, tall and narrow.

4. Typical Size

17–77 m tall in the UK (can reach 35 m); spread 8–12 m. Very long-lived, often 200–300 years, sometimes more.

5. Habitat & Range

Native across much of Europe and Asia. In the UK, native populations survive in the Scottish Highlands (Caledonian pinewoods), though widely planted elsewhere for forestry. Thrives on poor, sandy, or rocky soils.

6. Distinctive Features (ID tips)

Orange-red flaky bark on upper trunk.

Paired twisted blue-green needles.

Tall, straight trunk with open crown.

7. Seasonal Changes

Spring: Male flowers release pollen; female cones form.

Summer: Dense green crown; cones developing.

Autumn: Evergreen foliage remains; cones continue maturing.

Winter: Evergreen canopy with orange bark striking in low light.

8. Human Uses

Timber widely used in construction, fencing, and paper pulp.

Historically used for ship masts, furniture, and resin (tar and turpentine).

Remains a staple species in commercial forestry.

9. Wildlife Value

Supports over 40 specialist insect species.

Old Caledonian pinewoods are vital for species such as red squirrels, capercaillie, Scottish crossbill, and pine marten.

Provides food for birds (seeds) and nesting habitat.

Lichens and fungi thrive in ancient pine forests.

10. Fun Fact / Cultural Note

Symbol of Scotland, forming the heart of the ancient Caledonian Forest.

Some Scots pines in Scotland are thought to be 500+ years old.

Orange-red bark makes it instantly recognisable in sunlight.

11. Planting & Care (Basic Instructions)

Best time to plant: Late autumn or early spring.

Soil: Prefers well-drained sandy or gravelly soils; tolerates poor and acidic soils. Avoid waterlogged ground.

Light: Requires full sun.

Watering: Water regularly for first 2–3 years; drought-tolerant once established.

Spacing: 2–3 m apart in plantations; 6–10 m for specimen trees.

Aftercare: Mulch to retain moisture. Protect young trees from browsing by deer. Minimal pruning required.

12. Good for Urban or Garden Setting?

Urban: Suitable for large parks and naturalistic planting; not ideal for narrow streets.

Garden: Best for large gardens or estates, especially for naturalistic or wildlife-friendly designs. Too large for small gardens, but highly ornamental in the right setting.

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