How is burl wood made
James Bradley
Updated on April 13, 2026
Burl wood results from harvesting a tree or a portion of a tree that has a burl. A burl is a growth on a tree formed from unsprouted bud tissue. The burl forms large, knobby looking growths on the base and trunk of the tree. Stress caused by injury, fungus, virus, or insects creates intense grain patterns.
Why is burl so expensive?
The surprising story behind the beautiful, rare wood. … Because the grain is twisted and interlocked, burl wood is extremely dense and resistant to splitting. Burls have become so valuable that poachers have even been known to cut them from the side of trees in national parks, such as the ancient redwoods in California.
Can you create a burl on a tree?
In burl formation, the tree’s growth hormones get disrupted when the metabolism of the tree is hijacked by some other organism – a virus, fungus, or bacterium. … The plasmid prompts the tree to make special amino acids and growth regulators to produce the burl, which apparently is the preferred habitat for the bacterium.
Is burl wood valuable?
Most burls, especially layered burls, are not particularly valuable. On the other hand, a larger eyed burl in good condition should bring $25 to $200 depending on size, species and condition. I have had burls up to 8 feet in diameter, and many in the 4-5 foot range. Those can be worth $500 or more.What kind of wood is burl wood?
Burl wood comes from different types of trees. The most common are redwood, maple, walnut, oak and cherry. Every piece of burl wood is unique, and this is one reason they are considered rare and valuable. They come in a variety of sizes and have different grains and color of wood.
What is walnut burl worth?
Depending on texture, weight, and size, the walnut burl can cost as much as $3,000 to $30,000. When you buy it from the store, the price you may have to pay may range from $2.00 to $1.80 per pound for the first and the second 1000-pound respectively.
Can burl wood be refinished?
How to Refinish or Repair Burl Wood Furniture. If you plan to repair and refinish the piece, you have a few options. … If some of the burl wood is in great condition but some is damaged, you could paint part of the piece (like the top or the body) and leave the rest unpainted for a two-tone look.
Is a burl a tumor?
In human terms, it can be compared to a fast-growing but non-malignant tumor. Although burls grow into weird shapes and sizes on trees that otherwise look normal, a burl itself is not diseased or contagious. The callus tissue that grows into a burl has several purposes, all related to tree growth and tree preservation.Can you sand burl wood?
Sand and stain or otherwise treat burl wood as any other wood for finishing.
What's the difference between a Gall and a burl?Tumor growth in plants is commonly known as gall or burl. Galls contain knots, callus, ingrown bark and stains, whereas, burls are bark-covered and display wildly contorted grain. These tumors can occur on twigs, branches, trunks, roots, or leaves (like seen above) and might be numerous per host.
Article first time published onWhy does my tree have warts?
These unusual, and often ugly, growths are called galls and are usually more of a cosmetic problem rather than a health crisis. Galls usually form in response to the presence of some insects or mites and may appear as balls, knobs, lumps or warts, each being characteristic of the specific causal organism.
How can you tell if wood is burl?
- Walk near trees to observe their roots. Normal roots grow outward from the trunk and have a long, snakelike appearance. …
- Examine the tree trunks. …
- Touch the bark on the suspected burl if you can reach it. …
- Look up and observe the tree branches.
What is the rarest burl wood?
Camphor Burl, Cinnamumum camphor, is a rare burl from Southeast Asia that is highly prized.
What is special about burl wood?
The grain patterns in burl slabs are incredible. Often, the most burly pieces are old growth, meaning they have no sapwood and are considerably older than second or new growth pieces. These old growth pieces have distinct coloration, burly grain, and could also have mineral staining or voids.
Are burls expensive?
Is Burl Wood Expensive? Because of its qualities, pieces made from burled wood or burled wood veneer are one-of-a-kind and can be quite expensive (especially large pieces like furniture).
What burled walnuts?
Burled walnut is a term used to refer to a certain type of walnut wood. … Highly sought after by furniture makers and other carpenters, walnut burls are often used to make wooden bowls, cabinets, bedroom furniture, tables, and even accents for automobiles and boats. It tends to be more expensive than regular walnut.
Is Burl a veneer?
Burl Wood Veneer is the finest quality of wood and the most expensive for various reasons. It is the best type of wood that people use to make furniture and interiors. Burl wood is cut from abnormal growths in knots or stumps at the base of a tree.
How long does it take to dry a burl?
I leave it in the basement for 6 to 12 months to dry. They usually do the typical warping and become egg shaped, then I just put them back on the lathe and turn them to the final size and shape.
Are burls bad for trees?
Burls are round to irregular bumps or bulges that develop on tree trunks. … While burls do not kill trees directly they can reduce a tree’s health and lifespan. The unusual swirling grain pattern found in burls makes them prized by woodworkers.
What are the knots that grow on trees?
Tree knots are also known as “burls”. Burls form on the outside of trees as a reaction to stress.
What oil do you use on burl wood?
In our shop, we use tung oil, Danish oil, and conversion varnish in addition to our new Envirotex finish. These are all excellent options for burl wood furniture, and offer an array of different sheens and degrees of durability.
How do you remove burls from a tree?
Removing a small burl from a tree is straightforward: simply cut a little below where the burl is attached. Larger burls are not so easy. It is my feeling that harvesting burls is somewhat like cutting diamonds: there is a knack to it.
How do you clean wood bark?
- Step 1: Soften Deposits. Begin the cleaning process by by spraying the tree trunk with cold water. …
- Step 2: Mix the Washing Solution. …
- Step 3: Scrub the Bark Lightly. …
- Step 4: Rinse and Buff.
What can you make out of a burl?
A single burl block can be resawn and mounted on a substrate to make a small-to-medium sized veneered panel, or added as an inlay into a larger project to contribute visual interest. Luthiers often use burl tops for guitar bodies or headstocks, and turners love burl pieces to make smaller items like pen blanks.
How much is cherry burl worth?
Cherry burls, like most other species, can be quite valuable because of the variations of the reds in the wood combined with cherry being a very good to work with for pretty much any sort of woodworking. I have seen pricing range from $0.25-2.00 on green wood by the pound to $10-25 per board foot.
Can you remove a burl without killing tree?
Skip Living Trees You should never cut burl wood from a living tree. Excising a bit of its trunk can kill the entire plant. No matter how beautiful a burl you have found, you need to skip it if the tree’s still alive. … They will be able to point you to areas where trees have recently been cut.
Why does my tree have a tumor?
In fact, tree tumors often appear to have no obvious cause and may be caused by spontaneous genetic mutations in tree tissues. Tree galls caused by insects are often tumor-like, and they occur on leaves or young stems that form in such a way that enables insects to live inside them.
What causes galls on tree trunks?
We also sometimes see unusual growths, or galls, on tree trunks and branches. … Galls are formed by excessive and disorganized cell division in response to infection or irritation by bacteria, fungi, or insects or sometimes by environmental stress. In some cases, galls caused by insects are a place for them to lay eggs.
Are galls harmful to trees?
In most cases, galls are unsightly but not damaging to the tree. Small plants may be stunted because the water and nutrient circulatory system of the plant may be damaged.
What are the green balls on leaves?
What Leaf Galls Are. Leaf galls are a disturbing sight but are not usually as serious as they appear. These bumps and deformities are generally the result of feeding insects or some other foreign organism such as bacteria, fungi, mites, nematodes, and even viruses.
What are the little red dots on leaves?
Although the raised red bumps look like a serious problem, they are actually harmless excessive plant tissue growths called galls. Galls are the tree’s reaction to tiny mites. The mite bites or lays eggs on a leaf and the tree responds by increasing its leaf tissue, thereby enclosing the mite and eggs.