We have several whose branches have extended beyond a common area over a resident's fence. The tree is probably 25' tall and very healthy. Our Grounds Cte recently voted to prune the 'infringing' branches, probably 5 of them, back to the trunk as they claim an arborist told them 'years ago' that branches would die if pruned otherwise.
Trimming these branches all the way to the trunk will leave the tree looking lopsided. Can you address the correct way to prune a white pine? Cutting back beyond existing growth will stop all future growth from that branch. But if you cut back to a point of growth , the branch will continue to grow from there. Become a member of the American Conifer Society and receive our renowned ConiferQuarterly, with articles written by some of the most respected plantsmen and women in the country.
You will also be eligible for discounts from many nurseries and help to promote the development, propagation and conservation of conifers around the world. Yakushima white pine Pinus amamiana. Rocky Mountain bristlecone pine Pinus aristata. Arizona pine Pinus arizonica. Chinese white pine Pinus armandii. Mexican white pine Pinus ayacahuite. Bhutan white pine Pinus bhutanica. Calabrian pine Pinus brutia. Canary Island pine Pinus canariensis.
Caribbean pine Pinus caribaea. Arolla pine Pinus cembra. Coulter pine Pinus coulteri. Cuban pine Pinus cubensis. Vietnamese white pine Pinus dalatensis. Chinese mountain pine Pinus densata. Japanese red pine Pinus densiflora. Japanese red-Austrian black pine hybrid Pinus densiflora x nigra. Douglas pine Pinus douglasiana. Durango pine Pinus durangensis.
Apache pine Pinus engelmannii. Hunan white pine Pinus fenzeliana. Gregg's pine Pinus greggii. Aleppo pine Pinus halepensis. Mexican mountain pine Pinus hartwegii. Bosnian pine Pinus heldreichii. Herrera pine Pinus herrerae. Huangshan pine Pinus hwangshanensis.
Jalisco pine Pinus jaliscana. Jeffrey pine Pinus jeffreyi. Johannis pine Pinus johannis. Khasi pine Pinus kesiya. Korean pine Pinus koraiensis. Krempf's pine Pinus krempfii. Guangdong white pine Pinus kwantungensis. Tenasserim pine Pinus latteri. Lawson's pine Pinus lawsonii. Chihuahua pine Pinus leiophylla. Great Basin bristlecone pine Pinus longaeva.
Luchu pine Pinus luchuensis. Lumholtz's weeping pine Pinus lumholtzii. Masson pine Pinus massoniana. Maximino's pine Pinus maximinoi. Sumatran pine Pinus merkusii. Montezuma pine Pinus montezumae. Taiwan white pine Pinus morrisonicola. Bishop pine Pinus muricata. Austrian pine Pinus nigra. Timber is an essential building material all around the world, both in first and third world countries; and paper has been used for various purposes for hundreds of years. Pines are the dominant trees grown in the majority of countries for both the timber and paper industries and have been critical in both of these multi-billion dollar industries.
Learn about animals, plants, evolution, the tree of life, ecology, cells, genetics, fields of biology and more. A confirmation email has been sent to the email address that you just provided. Check your emails and make sure you click the link to get started on our 6-week course. Basic Biology: An Introduction. Also available from Amazon , Book Depository and all other good bookstores. Know the answer? Why not test yourself with our quick 20 question quiz.
Growth form Pines can be either trees or shrubs. Distribution of pine trees Pines are naturally found almost exclusively in the Northern Hemisphere.
Ecology of pine trees Pines are well adapted to life in cold environments and in nutrient-poor soils. Diversity and taxonomy There is estimated to be around species of pines throughout the world. Evolution of pine trees Pines are thought to have evolved around million years ago, although estimates do vary quite widely.
Forestry Timber and paper industries around the world are built around the growth of planted pine forests. Interesting facts The bristlecone pine is the longest living species of plant on Earth, living for over 4, years.
Pinus radiata has been planted all around the world for timber but was originally only native to a few very small areas on the coast of California and Mexico. There was an error submitting your subscription. Please try again. Email Address. They are usually found in the northern states of the US. Some of the largest specimens have been found in Yosemite National Park. They are mostly found in Oregon and California in the US. They can also be found in some regions of Mexico. This disease came to the US through Europe.
There is work underway to come up with a solution for this problem. When talking about trees that can survive dry areas you have to include the Aleppo Pine. They are so drought-resistant that they have become sort of an invasive species. Usually found in the Mediterranean area, whenever a part of land gets burnt, this variety has a tendency to take over. They can grow up to be about feet tall. One thing this variety need is a lot of sunlight. This variety is also known as the Jerusalem tree.
This is because they grow best in large areas with enough room. One way to identify them is to look for their needle bunches, this variety usually has 2.
This variety comes under the medium to large category. Usually found in Southern Europe and Northern Africa, this variety can be a great addition to your yard.
Usually, people use this tree for screening purposes. Keep in mind though, you might need to use some pesticide from time to time. This variety is very prone to diseases and pests. They also have 2 needles per bunch and can grow to about feet tall. I had to include this variety on this list because of one fascinating fact.
This tree is considered to be one of the oldest plant varieties known to man. They have been around for about years. But other than this fact, this variety is a good choice to be used for landscaping purposes. Even at the maximum height, they are only about 30 feet tall. And if you maintain it, you can use it as a shrub. They have about 5 needles per bundle. One type of tree which absolutely cannot be used for landscaping is the Canary Island pine.
They can grow up to be huge, about 80 feet sometimes. Usually, people grow this intentionally in a forest for its timber. They have a very specific and aromatic wood which can add some commercial value.
As the name suggests they are usually found in the Canary Islands. One way to recognize this tree is the fact that they have 3 needles per bundle. This is the only Asia-specific variety here. They are sometimes used to make furniture but are not really known for their wood quality. I think one of the reasons is their availability. Eastern White Pine is one of the most popular trees in the US, and I am not talking about just among the pine trees.
This is because of a couple of reasons. First, they are pretty fast growers and on top of this, they can live pretty long as well. The second reason, this variety can be used for landscaping purposes because of its beautiful branches. On top of this, they are a great choice for timber as well. Although they can grow up to be pretty big in the wild, about feet, they can also be pruned down to a shrub. But if you live in big cities with a lot of pollution, they will have a hard time growing.
As a fun fact, there are usually five needles per bundle. Because of such a varied distribution within their varieties, pines tend to grow in a lot of varied climates.
Especially in the colder and cooler areas of the world. They have evolved in a way to deal with cold weather the best, but they are also found in areas like North Africa. As an example take the structure of their leaves and the shape of the three. This prevents their branches from breaking during the winter season.
Some varieties of pines of which I have discussed above can grow in drier regions as well. They are pretty sturdy and can deal with drought-like conditions quite well.
Pines have also sort of developed to prevent any competition. Wherever pines grow there is very little vegetation on the ground. This happens because of two factors. Pines are prevalent in the Northern Hemisphere. This is their natural habitat, the only pines in the Southern Hemisphere were brought in by humans.
Some varieties can also be found in North Africa.
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