Why Burl Wood Is So Special

February 15, 2026

If you've ever seen a knotty, bulbous growth on the side of a tree, you've seen a burl. But what's inside that rough exterior is something truly extraordinary.

What Is Burl Wood?

A burl is a tree growth where the grain has grown in a deformed manner. It's typically rounded and covered in rough bark. Burls can be caused by stress, injury, virus, or fungus — but the result is always unique.

Why Woodworkers Love It

When you slice into a burl, the grain pattern is unlike anything else in nature. Instead of the straight, parallel lines you see in normal wood, burl grain swirls, twists, and creates eye-like patterns.

  • Uniqueness — No two burls have the same pattern. Ever.
  • Visual depth — The swirling grain catches light differently from every angle.
  • Rarity — Burls are relatively uncommon and hard to harvest without damaging the tree.
  • Why Burl Wood Is So Special | Ember & Burl