North America Non-native Plant

Scots Pine

Botanical name: Pinus sylvestris

USDA symbol: PISY

Life cycle: perennial

Habit: tree

Native status: Non-native, reproduces and persists in the wild in Canada âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Scots Pine: A Hardy European Conifer for Large Landscapes Looking for a tough, no-nonsense evergreen that can handle whatever Mother Nature throws at it? Meet the Scots pine (Pinus sylvestris), also known as Scotch pine. This resilient European native has made itself quite at home across much of North America, ...

Scots Pine: A Hardy European Conifer for Large Landscapes

Looking for a tough, no-nonsense evergreen that can handle whatever Mother Nature throws at it? Meet the Scots pine (Pinus sylvestris), also known as Scotch pine. This resilient European native has made itself quite at home across much of North America, though it’s definitely not a shrinking violet when it comes to size!

What Makes Scots Pine Special?

Scots pine is a real showstopper with its distinctive orange-red bark that develops on the upper trunk and branches as the tree matures. The blue-green needles and classic conical shape (when young) give it that quintessential Christmas tree look, though it becomes more irregular and character-filled with age. At maturity, these trees can reach an impressive 110 feet tall – so definitely not a candidate for your postage-stamp front yard!

Native Status and Where You’ll Find It

Here’s the thing about Scots pine – it’s not actually native to North America. This European import has naturalized across a huge swath of the continent, from coast to coast in Canada and throughout much of the northern United States. You’ll find established populations in states and provinces including Alberta, British Columbia, Ontario, Quebec, Maine, Michigan, Minnesota, New York, Pennsylvania, and many others.

Growth Habits and Size Considerations

Scots pine is what we call a rapid grower, which means it doesn’t mess around when it comes to gaining height. At 20 years old, you can expect it to reach about 30 feet, and it’ll keep climbing from there. This is a single-trunk tree with dense foliage year-round, making it excellent for:

  • Windbreaks and screening
  • Large property specimen plantings
  • Naturalized woodland areas
  • Parks and open spaces

Growing Conditions That Make Scots Pine Happy

One of the best things about Scots pine is that it’s pretty easygoing about where it grows. Here’s what it prefers:

  • Sunlight: Full sun (shade intolerant)
  • Soil: Well-draining, coarse to medium textured soils
  • pH: Slightly acidic to neutral (5.0-7.5)
  • Water: Medium moisture needs, drought tolerant once established
  • Climate: Hardy in USDA zones 3-7, can handle temperatures down to -36°F

It’s worth noting that Scots pine doesn’t appreciate heavy clay soils or overly wet conditions, so make sure your planting site drains well.

Planting and Care Tips

Getting your Scots pine off to a good start is pretty straightforward:

  • Timing: Plant in spring after the last frost
  • Spacing: Give it plenty of room – plan for at least 20-30 feet between trees
  • Watering: Keep newly planted trees consistently moist for the first year
  • Fertilizing: Generally not needed in average soils
  • Pruning: Minimal pruning required; remove dead or damaged branches as needed

Wildlife and Ecological Considerations

As a non-native species, Scots pine doesn’t provide the same ecological benefits as our native conifers. While it may offer some shelter for wildlife, it’s not a preferred food source for native birds and insects the way indigenous species are.

Should You Plant Scots Pine?

Scots pine can be a good choice if you have a large property and need a tough, fast-growing evergreen for windbreaks or screening. However, before you plant, consider native alternatives that would provide better support for local wildlife:

  • Eastern white pine (Pinus strobus) in eastern regions
  • Red pine (Pinus resinosa) in northern areas
  • Ponderosa pine (Pinus ponderosa) in western regions

If you do choose to plant Scots pine, make sure you have the space for it to reach its full potential. This is definitely a measure twice, plant once kind of tree. With proper siting and minimal care, it’ll reward you with decades of sturdy, reliable growth and that distinctive rusty-orange bark that makes it such a standout in the landscape.

How

Scots Pine

Grows

Growing season

Spring and Summer

Lifespan

Moderate

Growth form & shape

Single Stem and Conical

Growth rate

Rapid

Height at 20 years

30

Maximum height

110.0

Foliage color

Green

Summer foliage density

Dense

Winter foliage density

Dense

Foliage retention

Yes

Flowering

No

Flower color
Fruit/seeds

No

Fruit/seed color

Brown

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

High

Fire Resistant

No

Foliage Texture

Medium

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Scots Pine

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

Yes

Adapted to Fine Soil

No

Anaerobic tolerance

Medium

CaCO₃ tolerance

Low

Cold Stratification

Yes

Drought tolerance

Medium

Nutrient requirement

Medium

Fire tolerance

Low

Frost-free days minimum

120

Hedge tolerance

Medium

Moisture requirement

Medium

pH range

5.0 to 7.5

Plants per acre

430 to 1200

Precipitation range (in)

24 to 45

Min root depth (in)

20

Salt tolerance

Low

Shade tolerance

Intolerant

Min temperature (F)

-36

Cultivating

Scots Pine

Flowering season

Mid Spring

Commercial availability

Routinely Available

Fruit/seed abundance

High

Fruit/seed season

Summer to Fall

Fruit/seed persistence

No

Propagated by bare root

Yes

Propagated by bulb

No

Propagated by container

Yes

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

70720

Seed spread rate

Slow

Seedling vigor

Medium

Small grain

No

Vegetative spread rate

None

Scots Pine

Classification

Group

Gymnosperm

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Coniferophyta - Conifers

Subdivision
Class

Pinopsida

Subclass
Order

Pinales

Family

Pinaceae Spreng. ex Rudolphi - Pine family

Genus

Pinus L. - pine

Species

Pinus sylvestris L. - Scots pine

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA