Moderate grower doing well in most locations. Is it true? In flatsawn pieces, (typically seen in rotary-sliced veneers), the wood can exhibit wild grain patterns. The Upper Chilliwack River is the last contiguous low elevation valley bottom old-growth forest in the Lower Mainland. I’ve really only seen it happen in pine, so I’m not sure if that’s what it is. Identifying and Using Hundreds of Woods Worldwide, POSTER: Worldwide Woods: Ranked by Hardness. Only redwoods in California grow to a greater height. Its botanical name - Pseudotsuga menziesii - commemorates Archibald Menzies, who discovered the tree in 1791. I have read here https://www.urbandexterous.com/characteristics-of-douglas-fir-wood/ that it offers good struggle to splitting which makes it a good lateral holder of drilled objects. You should select the reddish heartwood fir studs when building a weight-bearing wall. See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information. Head to the Duke of Buccleuch’s Drumlanrig Estate and feast your eyes on one of the original firs David Douglas introduced back in 1827. These pieces get resawn into thinner lumber. Workability: Typically machines well, but has a moderate blunting effect on cutters. glauca exhibits even greater plasticity, occurring in stands of interior temperate rainforest in British Columbia, as well as at the edge of semi-arid sagebrush steppe throughout much of its range, where it generates even deeper taproots than coast Douglas-fir is capable. It commonly lives more than 500 years and occasionally more than 1,000 years. I suppose it could be some sort of mold or fungus growth, hard to say for sure without seeing it. I have found that… Read more ». Douglas-fir (Pseudotsuga menziesii) ranks as the second tallest tree species in the world behind coastal redwood (Sequoia sempervirens), and contains the largest trees in the entire Pinaceae family. Douglas-fir prefers acidic or neutral soils. A broad-pyramidal tree with soft bluish-green foliage when crushed emit a camphor scent. Any data collected is anonymised. We grafted shoot tips across different ages and sizes of Douglas-fir (Pseudotsuga menziesii (Mirb.) This is over simplified, but draw a circle and then draw the largest square inside it. As a final step, Monserud (1984) eliminated highly correlated terms from the site index equation without degrading model fit. Tree Size: 200-250 ft (60-75 m) tall, 5-6 ft (1.5-2 m) trunk diameter, Average Dried Weight: 32 lbs/ft3 (510 kg/m3), Specific Gravity (Basic, 12% MC): .45, .51, Modulus of Rupture: 12,500 lbf/in2 (86.2 MPa), Elastic Modulus: 1,765,000 lbf/in2 (12.17 GPa), Crushing Strength: 6,950 lbf/in2 (47.9 MPa), Shrinkage: Radial: 4.5%, Tangential: 7.3%, Volumetric: 11.6%, T/R Ratio: 1.6. If in a wood stove, consider checking your stove and pipes for leaks. The equation forms used for Douglas-fir by the above investigators were examined in this study. Fir sapwood predominates through tree age 20 after which the proportion of heartwood increases. Head to the Duke of Buccleuch’s Drumlanrig Estate and feast your eyes on one of the original firs David Douglas introduced back in 1827. Needles and cones of a Douglas fir G. Lumis: Bark of a Douglas fir G. Lumis: Scientific Name: Pseudotsuga menziesii. The wood is very stiff and strong for its weight, and is also among the hardest and heaviest softwoods commercially available in North America. The bark on young trees is thin, smooth, gray, and contains numerous resin blisters. I honestly in retrospect don’t trust the company I bought from have had a hard time even getting the order…:>). Coast Douglas fir is a very tall tree, the second-tallest conifer in the world (after Coast Redwood). Thanks for the information. 14″x5 1/2″ Snare drum I made from Douglas Fir. Several are grown as ornamentals and are common Christmas trees in North America. East of the Cascades, Douglas fir typically grows to a mature height of 125’. Douglas fir weighs 34 lbs. of trees which are Douglas fir; in a mixed-species stand, fewer than 40 tpa may be used. Douglas fir is suitable as a laminated product, and can be used for glu-laminated beams and rafters. The botanist’s brother worked on the estate as a clerk. Douglas fir, genus of about six species of evergreen trees of the conifer family Pinaceae, native to western North America and eastern Asia. The following table provides the approximate weight (dead load, self-weight) per linear foot of the various sizes of dimensional lumber (also called “structural lumber” or “finished lumber”) used in building construction in the US. do you burn it outdoors for a camp fire? Often found in pure stands, Douglas fir can attain an average mature height of about 300' and diameters from 10' to 17'. Please plan ahead and follow Scottish Government’s FACTS advice. Get two Douglas firs for the price of one, at The Hermitage woodland, near Dunkeld. Summary Foliage: Evergreen needles Height: 40 to 80 feet Spread: 12 to 20 feet Shape: Upright. These results stem from a study undertaken as part of the lSummerfield, Edward . So many of these issues are affected by the sapwood:heartwood ratio in the fir piece used. Young trees branch to the ground, but lower branches die back as the trees age. Inverness’ Reelig Glen is home to four of the tallest trees in Britain. The table provides the weight of lumber produced from three commonly used tree species: Sitka Spruce, Douglas Fir, and Southern Yellow Pine. They give height and all-year structure and make great accents and lawn specimens. I had to take my oldest, Cash, to the Vet and he had to go on medication. I’m jealous of these westerners and their perfect softwood…. 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