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Red Oak

Quercus rubra

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
For more information please download the BSBI Code of Conduct PDF document.

Contents

Plant Profile

Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Order:
Fagales
Family:
Fagaceae (Beech)
Type:
Deciduous tree
Life Cycle:
Perennial
Maximum Size:
30 metres tall
Habitats:
Gardens, parks, riverbanks, towns, waterside, woodland.

Flower:
֍
Green, no petals
 
Red Oak's flowers exhibit a subtle yet captivating charm. The tiny, inconspicuous flowers are arranged in clusters called "catkins," which dangle gracefully from the branches. These catkins have a rich, russet hue and are often considered "subtle" in their beauty. While not flamboyant, their appearance adds an understated elegance to the tree's overall aesthetic. The discreet, almost inconspicuous nature of Red Oak's flowers can make them all the more intriguing to those who take the time to appreciate their understated beauty.
Fruit:
Red Oak's fruit, known as "acorns" in the UK, is a distinctive feature of this tree. These acorns are characterized by their rounded shape and a cap, referred to as a "cupule," that partially encloses them. Acorns are typically small, usually about 2 to 3 centimeters in size, and have a rich, brown color. They are an essential part of the tree's life cycle, serving as a source of food for various wildlife in the woodlands and forests of the UK, including squirrels and deer. The acorns also play a vital role in the propagation of new Red Oak trees, making them an important component of the tree's ecosystem.
Leaves:
Red Oak's leaves in the UK, are a defining characteristic of this magnificent tree. They are typically large and boast a distinctive lobed shape with pointed tips. These leaves are deeply incised with wavy edges, creating a visually striking appearance. Their colouration varies throughout the year, with a fresh green in spring and summer, transforming to vibrant shades of russet, burgundy, and copper in autumn, offering a breathtaking display of "colour" to the landscape. The leaves of the Red Oak contribute to its visual appeal and seasonal beauty, making it a beloved feature in the UK's woodlands and parks.
Aroma:
The aroma of Red Oak is notably subtle. When crushed or bruised, its leaves release a faint, earthy fragrance with a hint of woody freshness. This gentle, understated scent is often encountered while walking beneath the tree's canopy in a UK woodland or forest. Although not as pungent or aromatic as some other tree species, the mild and natural fragrance of Red Oak contributes to the overall sensory experience when exploring the British outdoors, providing a delicate, forested note to the air.
Other Names:
American Red Oak, Champion Oak, Northern Red Oak.
Frequency (UK):
Occasionally seen  

Other Information

Summary

Quercus rubra, also known as the Northern Red Oak or Champion Oak, is a species of deciduous tree in the Fagaceae family. It is native to the eastern United States and Canada, and can be found in a variety of habitats, including forests and along stream banks. The tree can grow up to 30 meters tall and has a broad, spreading crown. The leaves are lobed, have a glossy green upper surface and a pale underside. The tree produces small, greenish-yellow flowers in the spring and acorns in the fall. The acorns are an important food source for wildlife. The tree is known for its strength, durability, and resistance to rot, which makes it a valuable timber species. The wood is used for furniture, flooring, and construction. The tree is also used in landscaping and as a shade tree.

Blog

The Red Oak, also known as Quercus rubra, is a large deciduous tree native to North America. It is a member of the beech family, Fagaceae, and is widely distributed throughout the eastern United States and southeastern Canada. Red Oaks are highly valued for their timber, which is used for a wide range of products including flooring, furniture, and cabinetry.

Appearance and Growth Habits

Red Oaks are known for their distinctive bark, which is dark gray to black and deeply furrowed. The leaves are simple and lobed, with pointed tips and a glossy green surface. In the fall, they turn a brilliant red color, adding to the tree's ornamental appeal. Red Oaks are also known for their strong, sturdy trunks and broad, spreading crowns.

Red Oaks can grow to be quite large, reaching heights of 80 to 100 feet and diameters of up to 4 feet. They are relatively fast-growing trees, with growth rates of up to 2 feet per year. Red Oaks prefer well-drained soils and full sunlight, but can tolerate a wide range of growing conditions, including urban environments.

Ecological Importance

Red Oaks play an important ecological role in their native range, providing habitat and food for a variety of wildlife. The acorns produced by Red Oaks are an important food source for many animals, including squirrels, deer, and wild turkeys. The tree's dense, spreading canopy also provides cover and nesting sites for birds and other animals.

Red Oaks are also important for their ability to sequester carbon dioxide from the atmosphere. Trees absorb carbon dioxide during photosynthesis, storing it in their tissues and releasing oxygen back into the atmosphere. This process helps to mitigate the effects of climate change by reducing the amount of carbon dioxide in the atmosphere.

Cultural Significance

Red Oaks have played an important role in the cultural and economic history of North America. The wood of the Red Oak is highly valued for its strength, durability, and beautiful grain patterns. It is commonly used for furniture, flooring, and cabinetry, as well as for railroad ties, fence posts, and other outdoor applications.

Red Oaks are also a popular choice for landscaping and shade trees. They are often planted in parks, along streets and highways, and in residential yards for their ornamental beauty and shade-providing properties.

The Red Oak is a beautiful and valuable tree that plays an important ecological and cultural role in North America. Its distinctive bark, glossy leaves, and brilliant fall color make it a popular choice for landscaping, while its strong, durable wood is prized for its many commercial and industrial uses. As a native species, the Red Oak is an important part of the North American ecosystem, providing habitat and food for a wide range of wildlife, while also helping to mitigate the effects of climate change through carbon sequestration.

More Information about the Red Oak

Red Oaks are also known for their adaptability and resilience. They can tolerate a wide range of growing conditions and are resistant to many pests and diseases that affect other tree species. This makes them a popular choice for reforestation efforts and other ecological restoration projects.

In addition to their ecological and economic value, Red Oaks have also played a role in traditional medicine. The bark and leaves of the tree have been used by indigenous peoples for a variety of medicinal purposes, including treating fever, diarrhea, and skin irritations.

Despite their resilience, Red Oaks are not immune to threats such as climate change, invasive species, and habitat loss. Conservation efforts are underway to protect and restore Red Oak populations, including initiatives to promote sustainable forestry practices and preserve natural habitats.

One interesting fact about Red Oaks is that they are often used in dendrochronology, the study of tree rings. The distinct patterns of growth rings in Red Oak wood can be used to determine the age of the tree and provide valuable information about past climate conditions.

Red Oaks also have a unique relationship with a type of parasitic plant called mistletoe. While mistletoe is generally harmful to trees, Red Oaks have developed a special defense mechanism. When a Red Oak detects mistletoe growing on its branches, it will produce a growth hormone that causes the mistletoe to grow more rapidly. This accelerated growth eventually causes the mistletoe to outgrow its own water and nutrient supply, leading to its death.

Another interesting fact is that Red Oaks are often used in the production of barrel-aged beverages, such as wine and whiskey. The wood of the tree imparts a distinctive flavor to the beverage, while also providing the necessary structure and stability for the barrel.

Overall, the Red Oak is a fascinating and important tree species with a rich cultural and ecological history. Its adaptability, resilience, and valuable wood make it an important resource, while its ecological benefits and ornamental beauty make it a cherished part of our natural world. As we continue to face environmental challenges, protecting and conserving Red Oaks and other important tree species will be critical to ensuring a sustainable future for our planet.


Facts about the Red Oak

  • The Red Oak is a large deciduous tree native to North America.
  • Red Oaks have distinctive bark, glossy leaves, and a broad, spreading crown.
  • They can grow up to 100 feet tall and have a diameter of up to 4 feet.
  • Red Oaks are adaptable and can tolerate a wide range of growing conditions, including urban environments.
  • The wood of the Red Oak is highly valued for its strength, durability, and beautiful grain patterns.
  • Red Oaks play an important ecological role by providing habitat and food for a variety of wildlife, and by sequestering carbon dioxide from the atmosphere.
  • The Red Oak has played an important role in the cultural and economic history of North America, being used for furniture, flooring, cabinetry, and outdoor applications.

The Red Oak is a large deciduous tree native to North America. Its distinctive bark, glossy leaves, and broad, spreading crown make it a popular choice for landscaping, while its strong, durable wood is prized for its many commercial and industrial uses. Red Oaks play an important ecological role by providing habitat and food for wildlife, and by sequestering carbon dioxide from the atmosphere. They have played an important role in the cultural and economic history of North America, being used for a wide range of products including furniture, flooring, cabinetry, and outdoor applications. Red Oaks are adaptable and resilient, but face threats such as climate change, invasive species, and habitat loss. Conservation efforts are underway to protect and restore Red Oak populations.


Video

Red Oak filmed at Edgeworth in Lancashire on the 5th August 2023.

 

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Distribution Map

Reproduced by kind permission of the BSBI.

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