How tall is a grand fir?
Grand Fir (Abies grandis) It is one of the world’s tallest trees, with living trees recorded to 81.4 m (267 ft) (Figure 112). With one of the fastest growth rates among native conifers in eastern Washington, it can surpass Douglas fir in both height and wood volume on productive sites (Figure 113).
How fast does a grand fir grow?
Growth: Grand fir is the fastest growing of all North American firs. It may reach 140 feet (43 m) in 50 years on Coastal Range and interior northern California sites [156].
How do I identify a grand fir?
Needles: Grand fir is easy to identify just by looking at its needles. They spread out on opposite sides of the twig in flattened rows, unlike any other conifer in the Northwest. However, you may notice that when growing in direct sunlight the needles sometimes crowd to the top of the twig.
Is Grand fir the same as white fir?
Grand fir is very closely related to white fir, with the interior variety idahoensis particularly similar to the western forms of white fir from western Oregon and California, intergrading with it where they meet in the Cascades of central Oregon.
Is Grand Fir poisonous?
While trees aren’t the greatest concern for pets, they are considered “mildly toxic,” according to pet supply company Hartz. The fir tree oils can cause excessive vomiting and drooling, and tree needles, if especially sharp, are bad for the inside of a pet’s stomach.
What does a grand fir tree look like?
Description: The grand fir is one of the tallest firs, reaching heights of 300 feet. It is easily distinguished from other Pacific Northwest firs by its sprays of lustrous needles in two distinct rows. They are usually horizontally spread so that both the upper and lower sides of the branches are clearly visible.
How long do Grand firs live?
It typically only grows to 135′ to 180′ (40-55m) and is relatively short-lived, living less than 300 years. Grand Fir grows quickly when growing in the open, more slowly in the shade.
Do Grand firs lose their needles?
“If you look nationally at what the most common species are, they would be Fraser fir, balsam fir, Douglas fir, noble fir,” he notes. According to his research, species like noble fir and Fraser fir naturally come out well, showing very little needle loss for six or more weeks after harvest.
How can you tell the difference between a Douglas fir and a grand fir?
The grand fir is an evergreen true fir. True firs, (Genus Abies) are so named to distinguish them from Douglas firs and a number of other “pretenders.” Medium to large trees, often 150-200′ tall. Trees tend to have narrow shape and rigid upright or horizontal branching. Needles are about 1” long and highly aromatic.
Do Grand firs smell?
Grand Fir – Adies grandis – shiny, dark green needles about 1″ – 1 1/2 ” long; the needles when crushed, give off a citrusy smell.
Where do Grand firs grow?
Grand fir is found in western Oregon and in the lowlands of all the river regions, and in the lower west Cascades to an elevation of 915 m (3,000 ft). In northern California it grows from near sea level to about 1525 m (5,000 ft) (9).
Why is Douglas fir not a true fir?
Douglas-fir is not a true fir at all, nor a pine or spruce. It is a distinct species named after its discoverer Archibald Menzies and a botanist, David Douglas. A major characteristic that distinguishes it from true firs is its cone which falls from the tree intact.
Is Doug Fir rot resistant?
Rot Resistance: Douglas-Fir heartwood is rated to be moderately durable in regard to decay, but is susceptible to insect attack.
What is the lifespan of a Douglas fir?
The largest coast Douglas firs commonly live to be at least 500 years and sometimes exceed 1,000 years. Rocky Mountain Douglas firs have a shorter lifespan, usually living no more than 400 years.
Which is better pine or Douglas fir?
Fir has little soft grain. Pine has much more soft grain. For stability and strength, fir is much less prone to warping or twisting, and much stronger than pine.
Is Douglas fir wood expensive?
Douglas fir is more expensive than ordinary pine, but is usually fairly comparable to cedar.
Why is Douglas fir so expensive?
Fir is harder and stronger than pine, spruce or hemlock, and it’s less likely to have knots or other blemishes. It may be more expensive but probably not as expensive as a hardwood like oak unless it’s clear fir. Douglas fir falls in the gymnosperm, or softwood category. Fir has tight, close grain lines.
Whats cheaper pine or fir?
Cost. Cost is the overriding factor when differentiating between pine and fir. In applications where either wood can be used, such as exteriors, interior trim or even decking, pine will save thousands of dollars over fir. It should also be noted that fir is made into plywood far more often than pine.
Is fir or cedar more expensive?
The primary differences between fir and cedar are longevity and appearance. All wood ages and turns a greyish/silver color. Cedar: More expensive than fir but worth it if you’re putting in a raised bed garden you want to last a long time and continue to look great over many years.