Pine trees are very common in North America, but there are so many kinds that they’re hard to differentiate. There are over 100 species of pine trees, and lots of them look very similar. via
How many types of pine trees are there?
There are about 111 species of pines worldwide, although different authorities accept between 105 and 125 species. 1 Pines are native to most of the Northern Hemisphere. Pines are evergreen and resinous trees (rarely shrubs). via
What is the most popular pine tree?
One is the eastern white pine (Pinus strobus). It grows fast and lives a long time. Cultivated for ornamental purposes as well as for lumber, it is unquestionably one of the most important pine tree species on the continent. Another native pine is the Monterey pine (Pinus radiata), native to the foggy Pacific coast. via
Why are pine trees bad?
Pine trees are one of the biggest contributors to air pollution. They give off gases that react with airborne chemicals — many of which are produced by human activity — creating tiny, invisible particles that muddy the air. The air that we breathe is chock-full of particles called aerosols. via
How do I know what kind of pine tree I have?
Pine trees can be identified by their needle-like leaves, seed-bearing cones, and reddish-brown or gray bark. Another identifying feature of pine trees is their egg-shaped cones that hang down from branches. Some types of pines can have large woody cones with scales that are long and straight. via
Which pine trees are poisonous?
Poisonous barks and pine needles that should be avoided are the:
Do pine trees give off oxygen?
Pines are at the bottom of the list in terms of oxygen release because they have a low Leaf Area Index. Oak and aspen are intermediate in terms of oxygen release. Douglas-fir, spruce, true fir, beech, and maple are toward the top of the list for oxygen release. via
What is the lifespan of a pine tree?
Pine trees can live between 50 and 450 years. Their life expectancy varies depending on the type of pine they are and where they are growing: if the soil is right for them, if they're in a polluted area, etc. via
How can you tell a white pine? (video)
What is the fruit of a pine tree?
Pine nuts, also called piñón (Spanish: [piˈɲon]), pinoli (Italian: [piˈnɔːli]), or pignoli, are the edible seeds of pines (family Pinaceae, genus Pinus). via
Should I remove pine trees?
Trees are safest to remove before they become a fall hazard. Dead trees need to be removed so that they do not fall and cause damage. Trees that grow too close to homes can have a greater risk for roots growing into sewer lines and in some cases, they can also cause damage to foundations. via
How far should pine trees be from house?
Generally, trees should sit about 15 feet away from a house. Some large species need a little more room while smaller species can be a bit closer. via
Do pine trees help air quality?
Scientists have shown that particles formed by pine trees are much more dynamic than previously thought. The findings can help make climate and air quality prediction models more accurate, and inform regulatory agencies as they consider strategies for improving air quality. via
What is the difference between a fir tree and a pine tree?
Firs have a smooth bark, and their cones are somewhat enigmatic; they grow towards the tops of the trees, and they usually break apart before falling to the ground. Pine-tree bark is jagged and flaky, and while their cones start out green and flexible, they grow brown and woody as they mature. via
What is the difference between a pine tree and a spruce tree?
This is an easy tip to remember: on pine trees, needles are attached and attached to the branches in clusters; on spruce trees, needles are attached individually. A longleaf pine – which you can tell is a pine because its needles are attached in bundles. via
Can you cut the bottom branches of a pine tree?
Removing lower branches won't hurt a pine. In fact, you can remove the lower third of the crown without damaging a healthy pine, according to forestry experts at the University of Idaho's Cooperative Extension System. via