Bur Oak Firewood
Quercus macrocarpa·hardwood·excellent overall rating
Bur Oak Firewood at a Glance
Burn Characteristics
BTU / Cord
million BTU
Dry Weight
3,655
lbs/cord
Seasoning
24–36
months
Split Difficulty
Easy
Smoke Level
Low
Spark Tendency
Few
Coal Quality
Overall Rating
Is Bur Oak a Good Firewood?
Out in the Midwest, if you see a massive oak with gnarly, corky bark and acorns the size of golf balls, that's a Bur Oak, also called Mossycup Oak. And it makes fantastic firewood. At 22.7 million BTU per cord and 3,655 lbs dry weight, it's one of the top oaks for home heating.
Low smoke, few sparks, excellent coals. Everything you want in a heating wood. Bur Oak burns steady and hot, making it a great choice for overnight burns. Load it up before bed and you'll still have a bed of glowing coals in the morning. Pull it up on our cheap firewood cost comparison and the value really shows.
Here's a nice bonus. Bur Oak actually splits easy. Unlike a lot of oaks that fight you with gnarly grain, Bur Oak tends to pop apart pretty cleanly. I've split plenty of rounds with just a maul and wedge and never felt like I needed the hydraulic for it.
The downside? Patience. You need 24 to 36 months of seasoning. That's 2 to 3 years. Most people don't want to hear that, but with a green weight of 4,960 lbs per cord, there's a LOT of water to drive off. Split it small, get it off the ground, and give it time.
Bur Oak gets an excellent overall rating and it's common across the Midwest and Northeast. If you can find it and you can wait, it's hard to beat. Its close relative Post Oak firewood is another excellent choice if you're further south.
Species Information
- Scientific Name
- Quercus macrocarpa
- Also Known As
- Mossycup Oak
- Type
- hardwood
- Regions
- Midwest, Northeast
- Availability
- Common
- Fragrance
- Good
- Green Weight
- 4,960 lbs/cord
How many cords of Bur Oak do you need?
Calculate how many cords of Bur Oak your home needs this winter based on your climate, home size, and stove type.
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Try it freeHow Long Does Bur Oak Take to Season?
Bur Oak is one of the slower-drying firewood species, needing 24–36 months to fully season. The high density that makes it such an outstanding heating wood also means moisture moves out slowly. Don’t rush it — burning Bur Oak before it’s dry wastes the wood’s potential and coats your chimney with creosote. Plan two seasons ahead for the best results.
The key to seasoning Bur Oak successfully is patience and planning. Cut and split it a full two years before you plan to burn it. Stack it bark-side up on the top row to shed rain, with the sides open to airflow. A moisture meter is essential for slow-drying species like this — it’s the only way to know for sure when it’s below 20% and ready for the stove.
For detailed drying timelines for all 70 species, see our firewood seasoning guide. And if you want to understand why seasoning matters so much, our green vs seasoned firewood page breaks down exactly what happens when you burn wet wood.
Can You Burn Bur Oak in a Fireplace?
Yes, Bur Oak is an excellent choice for an open fireplace. It produces low smoke, throws minimal sparks, and burns steadily — exactly the combination you want for safe, pleasant fireplace use. You can enjoy it without worrying about embers popping onto the carpet or smoke filling the room. No special precautions needed beyond standard fire safety.
For the best fireplace experience with Bur Oak, make sure it’s fully seasoned below 20% moisture. Wet wood of any species will smoke heavily and dirty your fireplace glass. Use a moisture meter to check a freshly split face before burning. Bur Oak produces excellent coals, which means steady, long-lasting heat from your fireplace without constant tending.
Wondering which species are the best fireplace choices overall? Check our best firewood rankings, or compare Bur Oak against all 70 species on the BTU chart.
Frequently Asked Questions
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