Softwoods
A forest is a carbon bank, every tree a deposit.
Discover the untapped opportunities of growing Black Locust Tree Plantations. Not only can they provide durable and attractive wide plank dimensional lumber, but these forgotten trees also present a profitable venture due to their scarcity. Start by growing seedlings from seed, offer them for sale, or use our unique methods to fast-track their growth into tall saplings. A faster harvest cycle means a quicker return on investment for timber investors and more profits for you growing trees.
Although virtually forgotten, the benefits of black locust wood are astounding; 100 year life in the ground without preservatives, bee-loving flowers for sweet honey production, the highest tensile beam strength of any American tree including Ironwood, ability to immediately stabilize erosion-prone hillsides because of their rebar-like interlacing root system, improve soil by fixing plant loving nitrogen to its roots and one of the highest BTU (British Thermal Unit).
Black Locust wood contains natural organic compounds that resist rot for 100 years or more, which makes these trees an extremely valuable and environmentally friendly tree. It is the perfect wood for fence and deck posts. In fact, old telegraph lines still standing in the west, have their original locust poles sticking out of the ground 150 years later.
Black locust trees (Robinia pseudoacacia) are known for their rot-resistant properties. This is because the heartwood of the black locust tree contains a natural preservative called robinin, which makes it highly resistant to decay and insect damage. Here are some of the key properties of black locust that make it such a popular choice for outdoor use:
Black locust (Robinia pseudoacacia) is one of the most durable and rot-resistant hardwoods in North America. Historically, it played a crucial role in early colonial construction, naval shipbuilding, and infrastructure projects. Its exceptional longevity has made it a preferred wood for fencing, bridges, and structural support, with some structures still standing strong after over 200 years.
Many historical structures in the United States and Europe were built using black locust wood, demonstrating its incredible longevity and resilience.
The Chesapeake and Ohio Canal (built in the mid-19th century) used black locust wood for locks, lock gates, and aqueducts. Many of these **original wooden structures are still intact**, showcasing the wood’s durability.
When the Brooklyn Bridge was completed in 1883, black locust was used for its original suspension cables. Although the cables were later replaced, parts of the original black locust wood remain in the bridge’s construction.
George Washington’s Mount Vernon Estate features a **historic black locust fence** that has stood for over two centuries. The structure remains a **testament to the wood’s unparalleled rot resistance**.
At the Biltmore Estate in Asheville, North Carolina, a pergola constructed from black locust over a century ago still stands strong, showcasing the wood’s weather resistance and strength.
Harvard Forest, a research site in Massachusetts, contains **black locust fence posts** installed over 100 years ago. Despite exposure to the elements, these posts remain intact and structurally sound.
The Ford Island Bridge in Hawaii, built in the 1910s, used black locust pilings for structural support. Even after a century of exposure to saltwater, these pilings are still in use today.
With growing concerns about toxic chemicals in pressure-treated lumber, black locust is emerging as a sustainable alternative. It is increasingly used for:
As demand for sustainable and long-lasting hardwood grows, black locust is gaining recognition as a profitable investment for tree farmers. Its fast growth rate, combined with its high market value, makes it an attractive option for timber plantations.
The need for non-toxic, chemical-free wood has never been greater, given the growing concerns over environmental degradation and water quality. Over the past 50 years, toxins leached from pressure-treated lumber have caused significant harm to ecosystems, contaminating soil and water sources.
Pressure-treated lumber has been widely used in outdoor construction—such as decks, fences, and playgrounds—due to its resistance to decay and insects. However, the chemicals used in treatment, including chromated copper arsenate (CCA) and alkaline copper quat (ACQ), can leach into the environment, posing risks to plants, animals, and humans.
Studies show that arsenic and copper accumulate in soil over time, reaching levels that can inhibit plant growth and disrupt ecosystems. These toxins also enter surface and groundwater, contaminating drinking water supplies and harming aquatic life.
Health risks associated with these chemicals are another major concern. Arsenic, a known carcinogen, has been linked to skin lesions, cardiovascular disease, and cancer. Copper, in high concentrations, can cause gastrointestinal and liver issues in both humans and animals.
While CCA-treated lumber has been largely phased out due to its environmental and health hazards, vast amounts of pressure-treated wood remain in use, continuously leaching harmful chemicals. To mitigate these risks, choosing sustainable alternatives—such as naturally rot-resistant woods like black locust—is a more environmentally responsible solution.
Black locust trees are native to the Eastern United States, with the highest concentrations found in Ohio. While primarily an Eastern species, black locust can also thrive in specific microclimates across the Western U.S. and Canada, particularly in the central interior of British Columbia and Washington State.
The black locust tree has long been overlooked, leaving a significant gap in the commercial forestry market within the United States. This creates a unique opportunity to cultivate a highly valuable and profitable tree species. Black locust’s wide plank dimensional lumber is virtually unavailable, yet it surpasses oak in durability and aesthetic appeal for flooring. Additionally, long-length posts and beams—particularly those exceeding six inches square—are rare and in high demand.
One of the primary challenges in establishing a black locust plantation is the limited availability of nursery stock, necessitating the cultivation of seedlings from seed. However, this presents a strategic advantage. Black locust seedlings can be sold as a high-value product, and through our proprietary growth methods, they can be developed into tall, 10-foot saplings. Transplanting these advanced saplings significantly reduces the time to harvest, providing timber investors with a faster return on investment while accelerating the establishment of high-yield plantations.
Typical tree plantations cultivate trees in parallel rows over large acreages. These mono-cropped plantations are susceptible to the elements, particularly wind gusts that can penetrate the spaces between tree rows. Bud winterkill is a common occurrence during the dormancy season.
We grow trees in large geometric spirals, which accelerate growth and protect the trees. In an initial planting, black locust saplings are transplanted 10 feet apart along the length of the spiral, which could be over 10,000 feet long in a 5-acre plantation depending on spacing between rows. Transplanting 10-foot-tall saplings in effect creates an instant forest the second year after transplant. In year 15, every second tree is culled for pole wood and pellets leaving the remainder of the trees to mature for timber wood in year 30.
After harvest, the stump of each tree regrows a new one the first year after harvest. Newly sprouted trees grow much faster than the original transplanted saplings (sometimes 10 feet in one year) because they are feeding off a mature root system.
Black locust blooms just 10 days a year each season producing the finest blossoms for making locust sweet honey. This short bloom makes locust sweet honey rare and expensive. Certainly, a consideration to develop a secondary income.
Black locust trees (Robinia pseudoacacia) are indeed known to produce high-quality honey, which is prized for its light color, delicate flavor, and slow crystallization. Here are some of the reasons why black locust tree flowers are preferred for honey production:
Overall, the high nectar production, high sugar content, unique flavor, and slow crystallization rate of black locust tree flowers make them an excellent choice for honey production, and black locust honey is considered by many to be a premium product with superb natural flavor.
The following comments were collected from a national wood products discussion forum.
I am a wood-flooring contractor and have installed a couple black locust floors. Not only is it tough (second only to osage orange as the toughest native wood) and resistant to moisture (much better than white oak) and rot (way better than cedar), but it is also gorgeous! If you haven't seen it, picture the grain of oak and color it with gold and add a glow that shifts in the light. The wood is tougher than hickory, which is tougher than hard maple, which is tougher than oak. I have gotten it for only slightly more than the price of oak. I only wish there was a supply of this lumber in my area. I'd make everything out of it. It has a very low rate of expansion and contraction, making it very stable for furniture and woodwork (interior or exterior). Hard to work? Well, it's not balsa. Whaddaya expect when it's practically the most durable and stable wood available? Use sharper tools.
Posts made of this wood are good for grapevine supports in vineyards. It lasts longer than pressure treated wood, and it does not leak harmful chemicals into the soil as pressure treated wood does, such as arsenic, which can be absorbed by the plant and therefore into the fruit. Vineyard posts are usually 8 feet long and about 4.5 inches in diameter. In a vineyard, 1.5 to 2 feet of the post is put into the ground, depending on the soil, and two to three wires are run between the posts on which the grapevine is tied. Locust can also be used for fence posts. There is no need to use a water seal. Great for the environment - great for the grapes.
As a band mill sawyer, last year I started sawing the wood, and what a surprise, it saws just as easy as cherry, and the grain and color are out of this world. I sawed a couple hundred board feet the other day to use as a floor for a kiln, due to the moisture resistance. Locust wood is the most under-rated lumber out there and it's great for building naturally waterproof wood gutters.
I have about 20 cords of locust logs from a land-clearing job we did last summer. It's a wonderful species for firewood – it burns hot and long if properly seasoned. It's also very rot resistant and commonly used for fence posts and exterior construction on farms. It is also a fast growing pioneer tree here in the northeast - meaning it's one of the first species to appear in fields left fallow. The tree will seed itself in these old pastures and grow in dense stands that are very straight and tall (sometimes over 100 feet). At least it used to before the beetle borers showed up.
I live on Long Island near the abandoned Kings Park Psychiatric Hospital. The hospital itself was established pre-1890, and the grounds (400+ acres) were apparently planted with many of these trees, many of them now over 75-80 feet in height. Some of the older ones were cut down by N.Y. State in its infinite wisdom, and I was able to take out about a cord and a half as firewood. Let me tell you what, once properly split and dried, that wood was among the best I have ever burned in my heatilator-equipped fireplace. It burns slowly, and very hot. The key mechanism here is to make sure it is properly stacked and dried; this will keep spitting during burning to a low level. While splitting the wood one can't help but notice a beautiful gold-green sheen to the heavy, straight veined splits. Locust wood is as hard as any I've ever worked with, and it is of the highest quality!
I was fascinated by your blog on this tree, which I’m in love with. I’m a 75-year-old (ouch) amateur cabinet maker and have just completed a desk using this wood, and before that a six foot long sideboard. It is absolutely fabulous wood to work with and to look at when finished. I gather it is also called false acacia. I live in (West) Vancouver BC, and in a huge windstorm in 2006, this tree was blown down. I got most of the trunk and had it milled. Apparently, acacia, as many call it, was planted along the Fraser River as fuel for the paddle wheelers in the 19th Century and is occasionally milled around here. I agree with others that Black Locust should really be promoted for all its potential uses.
We have found at least 5 advantages for the lazy grower like myself. First, is fast growth, outgrowing in dry clay almost all other species. Second, the wood is not easily damaged by extreme foraging for two reasons, the short thorns on many trees discourage some foraging, but you also have a wonderful hidden asset, even if the tree is completely stripped of bark by winter foraging deer, the runners and underground storage of food insures it will grow back even stronger the following season, not just stronger but often taller and with friends. Third, that root regeneration insures reforestation even after harvest, mechanical damage, or fire. Fourth, the root provides a degree of allelopathy, thereby suppressing other competing weed trees like Eleagnus and red cedar. And so far, we have had less attack by insects and fungus compared to oak, walnut, persimmon, and pine. Plus, it smells good in the Spring.
From maple to oak, hardwoods whisper of centuries past, their slow growth a testament to patience and value over time.
Partner with us in a land management project to repurpose agricultural lands into appreciating tree assets. We have partnered with growingtogive.org, a 501c3 nonprofit, to create tree planting partnerships with land donors.
We have partnered with growingtogive.org, a Washington State nonprofit to create a land and tree partnership program that repurposes agricultural land into appreciating tree assets.
The program utilizes privately owned land to plant trees that would benefit both the landowner and the environment.
If you have 100 acres or more of flat, fallow farmland and would like to plant trees, then we would like to talk to you. There are no costs to enter the program. You own the land; you own the trees we plant for free and there are no restrictions; you can sell or transfer the land with the trees anytime.
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