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Weymouth Pine

Pinus strobus

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Plant Profile

Flowering Months:
Pinaceae (Pine)
Evergreen tree
Life Cycle:
Maximum Size:
25 metres tall
Gardens, mountains, parks, riverbanks, riversides, sand dunes, scrub, woodland.

Yellow, no petals
The male flowers are conical. Yellowish-brown in colour.
The brown, stalked, pendant female cones have scales which bend outwards towards their tips. They grow up to 20cm long.
The bluish-green needles of Weymouth Pine can reach up to 15cm in length and are in bundles of 5. This tree is rarely found growing in the wild in the UK.
The flowers of Weymouth Pine are fragrant.
Other Names:
Eastern White Pine, North American Pumpkin Pine, North American White Pine, Northern White Pine, White Pine.
Frequency (UK):

Other Information


Pinus strobus, commonly known as Eastern White Pine or Northern White Pine, is a species of evergreen coniferous tree in the Pinaceae family. It is native to eastern North America and can be found in a variety of habitats such as forests, scrublands, and alpine tundra. The tree can grow up to 80 feet tall and has a distinctive blue-green needles that grow in clusters of five. The tree is economically important for its wood, which is used for construction, paper production and other industrial purposes. It's also used for ornamental and reforestation purposes. The tree has a long history of traditional medicinal uses, such as treating respiratory issues and pain relief, but it's not recommended to use it for medicinal purposes without proper medical supervision.


Weymouth Pine, also known as Eastern White Pine or Pinus strobus, is a coniferous tree species that is native to eastern North America. It is named after Weymouth, Massachusetts, where it was first observed by European explorers in the 17th century. The Weymouth Pine is a fast-growing tree that can reach up to 230 feet (70 meters) tall and live for over 400 years. In this blog, we will delve into some of the most interesting aspects of this beautiful tree.

Physical Characteristics

The Weymouth Pine has a straight trunk with a conical crown, and its bark is thin and smooth when young, becoming thicker and rougher as the tree matures. The needles of the Weymouth Pine are slender, flexible, and bluish-green, measuring up to 5 inches (13 cm) in length. The tree produces male and female cones, with the female cones being larger and longer than the male cones. The female cones can reach up to 8 inches (20 cm) in length and contain between 50-100 seeds.

Ecological Role

The Weymouth Pine is an important ecological species, providing habitat and food for many animals. The tree's dense foliage provides cover for birds and mammals, and its seeds are a food source for a variety of wildlife, including red squirrels, deer, and birds such as the black-capped chickadee and the pine grosbeak. The Weymouth Pine also plays a crucial role in the forest ecosystem by regulating water flow, preventing soil erosion, and absorbing carbon dioxide from the atmosphere.

Cultural Significance

The Weymouth Pine has a long history of cultural significance in North America. Native American tribes used the tree for medicinal purposes, such as making tea from the needles to treat colds and coughs. The Weymouth Pine also has a rich cultural history in the United States, serving as a symbol of the country's early days of exploration and settlement. In fact, the tree was once used as a symbol of freedom and independence during the American Revolution and is featured on the Massachusetts state quarter.

Commercial Use

The Weymouth Pine has played an important role in the forestry industry, particularly during the early colonial period when the tree was used extensively for shipbuilding due to its straight, tall trunk and flexible wood. The tree is still widely used today in the construction industry for framing, paneling, and furniture. The Weymouth Pine's soft wood also makes it an excellent material for paper production.


While the Weymouth Pine is not currently listed as an endangered species, it has faced significant threats due to deforestation, climate change, and invasive species. In response, various conservation efforts have been undertaken to protect the tree, including reforestation projects and conservation easements that limit development and land use.


The Weymouth Pine is a fascinating and versatile tree species that has played a significant role in North America's cultural and ecological history. While the tree faces ongoing threats, efforts to protect and conserve this magnificent species are crucial for maintaining the health and sustainability of our forests and ecosystems.

More Information

The Weymouth Pine has a number of notable features that make it stand out among other tree species. For example, the tree has a high tolerance for shade, allowing it to thrive in forest understories and grow alongside other tree species. The Weymouth Pine is also known for its ability to regenerate quickly after forest fires, making it an important species for reforestation efforts in areas that have experienced wildfire damage.

In addition to its ecological and cultural significance, the Weymouth Pine has also played a role in scientific research. For example, the tree's high levels of resin have been used to create turpentine, a solvent used in a variety of industrial applications. The Weymouth Pine has also been studied for its potential in bioenergy production, as its wood and bark contain high levels of cellulose that can be converted into fuel.

One interesting aspect of the Weymouth Pine is its historical significance in the timber industry. During the colonial period, the Weymouth Pine was highly valued for its straight and flexible wood, making it a popular choice for shipbuilding. In fact, the tree was so prized that the British government passed laws to protect the Weymouth Pine in the colonies, reserving the best specimens for the Royal Navy.

Today, the Weymouth Pine is still widely used in construction and woodworking, although the tree is now grown on plantations rather than harvested from natural forests. The tree's lightweight and easily worked wood make it an ideal material for framing, paneling, and furniture, and its straight grain and lack of knots make it a popular choice for interior trim and moldings.

Another interesting aspect of the Weymouth Pine is its role in carbon sequestration. Like all trees, the Weymouth Pine absorbs carbon dioxide from the atmosphere and converts it into organic matter through the process of photosynthesis. This makes the tree an important ally in the fight against climate change, as it helps to mitigate the effects of greenhouse gas emissions. Additionally, the Weymouth Pine has been shown to be particularly effective at storing carbon in its wood, making it a valuable species for carbon offset programs and other efforts to reduce greenhouse gas emissions.

Overall, the Weymouth Pine is a fascinating and versatile tree species that has played a significant role in human history and continues to play a critical role in the health of our ecosystems. As we continue to face environmental challenges such as climate change and habitat loss, it is more important than ever that we work to protect and conserve this magnificent species and others like it.


Weymouth Pine filmed in Rivington, Lancashire on the 5th February 2023.


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Distribution Map

Reproduced by kind permission of the BSBI.

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