
Ginkgo biloba, commonly known as ginkgo, is a long-living, disease-resistant tree that has existed for over 150 million years. Ginkgo trees are cultivated in cities worldwide for their resilience to pollution and confined soil spaces. They are also known for their unique fan-shaped leaves and yellow autumn foliage. Ginkgo trees are native to East Asia, specifically China, Korea, and Japan, where they hold cultural significance in Buddhism and Confucianism. The trees have been widely planted in these regions for over a millennium, with some trees surviving extreme events like the Hiroshima atomic bomb. Ginkgo trees are also valued for their medicinal properties, with extracts from the leaves and nuts being used in traditional Chinese medicine to treat various conditions.
| Characteristics | Values |
|---|---|
| Pollution tolerance | Ginkgo trees are highly tolerant to pollution and are commonly planted in cities worldwide for this reason |
| Disease resistance | Ginkgos rarely have disease problems, even in urban conditions, and are attacked by few insects |
| Soil adaptability | Ginkgos can adapt to confined soil spaces |
| Climate adaptability | Ginkgos can live in temperate and subtropical climates |
| Germination and growth | Ginkgo has a very specific and long germination and growth cycle, with a low seed germination rate and a long juvenile phase |
| Conservation | Large-scale initiatives for plantations to conserve Ginkgo populations are occurring in China, France, and Germany |
| Health benefits | Ginkgo has been used to treat a range of conditions, including asthma, coughs, stomach bugs, hangovers, dementia, and "smoker's legs" |
| Circulation | Ginkgo improves circulation and can be used to treat conditions such as Raynaud's Syndrome and strokes |
| Mental function | Ginkgo improves mental function, memory, and reasoning, and is prescribed for people with short-term memory loss, lack of concentration, and decreased intellectual ability |
| Neuroprotection | Ginkgo protects nerve cells against the effects of aging and can aid in the treatment of conditions such as multiple sclerosis and depression |
| Antioxidant qualities | Ginkgo contains flavone glycosides, a type of bioflavonoid that acts as an antioxidant, limiting damage to the central nervous system |
| Blood properties | Ginkgo thins and lubricates the blood, which may be beneficial for certain conditions but can be unsafe when combined with certain medications such as aspirin and warfarin |
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What You'll Learn

Ginkgo trees are highly tolerant to pollution
Ginkgo trees, or more specifically, Ginkgo biloba, are highly tolerant of pollution. They are long-lived, disease-resistant, and resilient in disturbed environments. Ginkgo trees have been cultivated in East Asia for over a millennium, with some trees surviving extreme events like the Hiroshima atomic bomb explosion. In fact, six Ginkgo trees located between 1 and 2 kilometres from the blast site were among the few living organisms to survive.
Ginkgo trees are well-adapted to the urban environment and can tolerate pollution, confined soil spaces, and the stresses of city life. They rarely suffer from diseases or insect infestations, even in urban settings. This makes them ideal for planting along city streets, where they provide shade and visual appeal. Ginkgo trees are also commonly used in the practice of penjing and bonsai, where they are kept artificially small and tended over centuries.
The resilience of Ginkgo trees to pollution and other environmental stressors is likely due to their inherent disease resistance and ability to withstand insects, viruses, bacteria, and other pests. Ginkgo trees have a long history of being cultivated in temples and sacred spaces in Japan, China, and Korea, where they hold cultural and religious significance. Today, they are widely planted in cities worldwide for their ornamental value and ability to thrive in urban conditions.
In addition to their pollution tolerance, Ginkgo trees are also known for their unique fan-shaped leaves, which exhibit striking yellow autumn foliage. Ginkgo trees are dioecious, meaning they have separate sexes, with male trees producing small pollen cones and female trees forming fruit-like structures containing seeds. Ginkgo trees are capable of clonal reproduction, and their seeds have long been used as a food source in Asia.
The Ginkgo tree's scientific name, Ginkgo biloba, is the result of a transcription error that occurred centuries ago. Despite this error, the name has persisted and is now widely recognised. The Ginkgo tree is thought to be the oldest living genus of seed plants on Earth, and its resilience and longevity continue to make it a valuable species in our ever-changing environment.
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Ginkgo trees are resistant to insects and disease
Ginkgo trees, or Ginkgo biloba, are long-lived, disease-resistant trees. They are resilient in disturbed environments and can survive in both temperate and subtropical climates. Ginkgo trees have survived in East Asia for centuries, with some trees living up to 1,400 years. They are commonly cultivated in China, Korea, and Japan, often in temples and monasteries. In Japan, Ginkgo trees have been planted around monasteries for almost 1,000 years, and some of these trees are still alive today. Ginkgo trees are also commonly planted in cities worldwide, including in the United States and Europe, due to their ability to tolerate pollution and confined soil spaces.
Ginkgo trees have a unique appearance, characterised by their fan-shaped leaves and striking yellow autumn foliage. They can grow up to 30 meters tall and have a very long lifespan, with some trees living for a millennium. Ginkgo trees are dioecious, meaning they have separate sexes, with some trees being female and others male. The scientific name, Ginkgo, is the result of a transcription error that occurred centuries ago. The Japanese name for the species is I-cho, which translates to "tree with leaves like a duck's foot."
Ginkgo trees have a range of medicinal benefits and have been used in traditional Chinese medicine for centuries. The leaves and nuts are believed to "benefit the brain" and treat various conditions, including asthma, coughs, stomach bugs, and hangovers. Ginkgo leaf extract has been studied for its potential to improve circulation, slow the progression of Alzheimer's disease, enhance mental function, memory, and reasoning, and protect nerve cells from ageing. Additionally, Ginkgo trees produce large amounts of oxygen, which can help combat climate change and infectious diseases.
Ginkgo trees' resistance to insects and disease makes them ideal for urban environments and conservation initiatives. Their ability to tolerate pollution and confined spaces, along with their long lifespan and resilience, contributes to their popularity in cities worldwide. However, it is important to note that excessive ingestion of Ginkgo leaves or bark can cause gastrointestinal distress, headaches, irritability, and rash or inflammation. Overall, Ginkgo trees' resistance to insects and disease, combined with their medicinal properties, makes them a valuable species in the natural world and in human health.
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Ginkgo trees are long-lived
Ginkgo trees are resilient and adaptable, capable of surviving in a wide range of environments and conditions. They are resistant to insects, pollution, viruses, bacteria, and other external factors. This adaptability has allowed them to thrive in urban environments, where they are commonly planted in cities worldwide. Ginkgo trees are also easy to propagate from seed and can be grown as miniature landscapes or bonsai, making them popular among gardeners and hobbyists.
The long lifespan of ginkgo trees can be attributed to their disease resistance and ability to recover from extreme events. Ginkgo trees have few disease problems and are rarely attacked by insects. They are also known for their resilience in disturbed environments and their ability to survive extreme conditions such as the Hiroshima atomic bomb blast. This resilience makes them ideal for urban settings, where they can tolerate pollution and confined soil spaces.
Ginkgo trees have a unique growth cycle, which contributes to their long lifespan. They have a very specific and long germination and growth cycle, with a low seed germination rate and a long juvenile phase. This slow growth cycle may contribute to their longevity, as it allows them to develop strong and resilient root systems.
The long lifespan of ginkgo trees has made them a symbol of endurance and resilience. They have been cultivated in temples and sacred spaces for centuries and are considered sacred trees in some cultures. Ginkgo trees have also been the subject of artistic and literary works, with their distinctive fan-shaped leaves and long lifespan serving as a source of inspiration for many.
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Ginkgo trees are commonly planted in cities
Ginkgo trees are well-adapted to the urban environment, tolerating pollution and confined soil spaces. They rarely suffer from diseases, even in urban conditions, and are resistant to most insects. Their ability to thrive in cities makes them a popular choice for street-side plantings and city gardens. Ginkgo trees are also easy to propagate from seed, making them accessible for urban greening initiatives.
The Ginkgo tree has a unique and distinct appearance, characterised by its fan-shaped leaves. These leaves are not just aesthetically pleasing but also play a crucial role in the tree's resilience. The leaves are a vibrant green in summer and turn a beautiful yellow in autumn, adding to the visual appeal of urban spaces.
Beyond their ornamental value, Ginkgo trees have a long history of medicinal use, particularly in traditional Chinese medicine. The leaves and nuts have been used for thousands of years to "benefit the brain" and treat various conditions, including asthma, coughs, stomach bugs, and hangovers. In more recent times, Ginkgo biloba extract (GBE) has been studied for its potential benefits in improving circulation, boosting mental function, and protecting nerve cells.
The Ginkgo tree is also known for its tenacity and ability to survive in harsh conditions. This is exemplified by the Ginkgo trees in Hiroshima, Japan, that survived the 1945 atomic bomb explosion. These trees, though charred, recovered and continue to thrive even after being exposed to such extreme conditions.
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Ginkgo trees survived the Hiroshima atomic bomb blast
Ginkgo trees are thought to be the oldest living genus of seed plants on Earth, with fossil records showing that the species has remained unchanged for the past 150 million years. Ginkgo trees have survived a 200-million-year history of close calls, including the last ice age, and have been planted in Japan around monasteries for approximately 1000 years.
On 6 August 1945, an atomic bomb was dropped on Hiroshima, Japan, killing an estimated 100,000–150,000 people and levelling the biological and man-made landscape. Remarkably, several ginkgo trees survived the blast, despite being within 2,200 meters of the explosion's centre. These trees, dubbed "A-bombed trees" or hibakujumoku, still stand in Hiroshima today, with new buds emerging from their burnt trunks. One such tree grows through the roof of the Anraku-ji temple, which was destroyed in the blast. Another ginkgo tree at the Hosenbo Temple in Teramachi prevented the collapsed temple from burning down entirely.
The ginkgo trees' resilience can be attributed to their deep roots, which continued to collect essential nutrients despite the lasting radiation from the bomb. Ginkgo trees are known for their tolerance of stressful soil conditions and their ability to resist insects, pollution, viruses, bacteria, dust, wind, salt, and old age. This durability has made them a common choice for street trees in cities.
The survival of the ginkgo trees in Hiroshima stands as a testament to nature's capacity to withstand humanity's destructive capabilities. The trees have become a symbol of hope and a reminder of the resilience of life in the face of immense adversity.
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Frequently asked questions
Yes, ginkgos are highly tolerant of pollution and are often planted in cities worldwide to help with this issue. They are also able to survive confined soil spaces and rarely have disease problems, even in urban conditions.
Ginkgos are long-lived, disease-resistant trees that can survive in harsh environments. They are also resistant to insects, viruses, bacteria, dust, wind, salt, and old age.
Yes, ginkgos are also used to improve circulation and have been used in traditional Chinese medicine to treat conditions such as asthma, coughs, and stomach bugs.











































