Does burning a stump work — and is it legal?
Burning works only on a dry stump, and it takes 1–3 days of tending a fire you cannot leave. It is illegal in most cities and suburbs, permit-only in most counties, and never allowed during burn bans. Where it is legal, use charcoal, not gasoline, keep it 50 ft from anything flammable, and expect to dig out the roots afterward.
Burning is the oldest way to get rid of a stump, and on a farm with a dry stump and nobody nearby, it still works. In a neighborhood, it is mostly a way to meet your fire department. Two questions decide it: is it allowed where you live, and is your stump dry enough to burn at all. Here is how the rules usually break down.
| Where you live | Open burning of a stump | What is usually required |
|---|---|---|
| Inside city limits (most cities and suburbs) | Banned | Only small recreational fires in a pit or ring are allowed, if that; stumps do not qualify |
| Towns with a burn ordinance | Sometimes | Permit, daylight hours, specific seasons, distance from structures |
| Unincorporated county land | Often allowed | Burn permit from the county or fire district; call the burn line the day of |
| Rural and agricultural land | Usually allowed | Permit in many states; brush and stumps often covered |
| Any area during a burn ban or red flag warning | Banned | No exceptions; fines and liability for any fire that spreads |
| Homeowners association (HOA) neighborhoods | Usually banned | HOA rules apply on top of the city's |
| Near power lines, gas lines, or a property line | Do not | Roots smolder underground and travel; call 811 first |
Is it legal to burn a tree stump in my yard?
Inside most city limits, no. Open burning of yard waste, including stumps, is banned in the majority of US cities and suburbs, and the recreational fire exemption that lets you have a fire pit does not cover a stump smoldering in the ground for two days. Outside city limits the picture changes: many counties and fire districts allow open burning of brush and stumps with a permit, during set hours and seasons, with a water source nearby. During burn bans and red flag warnings, nothing is allowed anywhere. The only reliable answer is a phone call to your local fire department or a search for your county name plus "burn permit." Fines for illegal burning are real, and if a fire spreads, you are liable for the damage.
How long does it take to burn out a stump?
1–3 days for a medium stump, and a large oak or hickory can take longer. Wood below ground level does not get much air, so the fire is slow and needs feeding and tending the entire time. It cannot be left overnight. When it looks out, it usually is not; the roots keep smoldering underground for hours or days, which is both a fire hazard and the reason a burned stump has to be thoroughly soaked and dug at the end. Compare that with a grinder: under two hours, done. The full cost comparison is on what's the cheapest way to get rid of a stump?
What is the best way to burn a stump?
First, the stump has to be dry. A fresh stump is full of water and will not burn no matter what you pour on it. Wait a year, or soften it first with a potassium nitrate stump remover over 4–6 weeks, which also makes it burn more readily; the method is on how do you rot a stump fast? Then drill deep holes across the top to let air in, clear everything flammable for 50 ft, have a hose running, and pile charcoal on top of and around the stump. Light it and keep adding charcoal or dry wood as it burns down. A metal drum with both ends cut out, set over the stump, works as a chimney and roughly doubles the burn rate. Never use gasoline, diesel, or kerosene. They flare, they soak into the soil and kill it for years, and they are the cause of most stump-burning injuries.
Can burning a stump damage anything underground?
Yes, and this is the risk people do not think about. A tree's roots spread as far as its branches did, and fire follows them. Roots can smolder underground for days and surface at a fence, a shed, a woodpile, or a house foundation well away from the stump. Roots also run alongside gas service lines, irrigation pipes, and buried electrical and cable lines, all of which can be damaged by heat. Before burning, call 811 (free, nationwide) to have utilities marked, and do not burn any stump within 50 ft of a structure or property line. Wet the ground in a wide ring around the stump, and check it for a couple of days afterward.
Is grinding better than burning?
For almost everyone, yes. Grinding takes under two hours, costs $100–$400, is legal everywhere, and leaves no fire risk and no smoke complaints from the neighbors. Burning is free but slow, smoky, restricted, and risky, and you still have roots to deal with at the end. It makes sense in one situation: a dry stump on rural land where you already burn brush with a permit and have the time to sit with it. Everywhere else, pricing by stump size is on how much does stump grinding or removal cost?
No independently confirmed professional review is on file yet.
Not yet independently reviewed. Burn rules vary by city, county, and season. Check with your local fire department before burning anything; this page is general information.