The state of New Hampshire prohibits the entry of out-of-state firewood unless it has been certified heat-treated to 140° F (60° C) for 60 minutes and is clearly labeled with the name and address of the federal or state approved production facility. This quarantine on out-of-state firewood is in place to protect New Hampshire’s trees from harmful pests such as the Asian long-horned beetle, emerald ash borer, oak wilt, and spotted lanternfly. These and other invasive species often spread to new areas by hitchhiking on firewood.
Authorities in New Hampshire (NH) take the risks of spreading invasive tree pests seriously, so if you transport firewood within NH, be sure to have a receipt or other proof of origin to show law enforcement. To protect New Hampshire’s forests, it is always best practice to buy firewood where you will burn it. Visit Firewood Scout to find local firewood vendors.
Many nearby states (e.g., CT, ME, NY, VT) have similar regulations restricting the lawful movement of firewood, so be sure to learn the rules at your destination before taking firewood out of New Hampshire.
Bringing firewood from Canada into the USA is prohibited unless the firewood is labeled and certified heat-treated. Read about these requirements on the USDA and CBP firewood information sheet.
Bringing firewood from the USA into Canada is prohibited unless the firewood is labeled and certified heat-treated. Canada also encourages visitors to use local firewood.
This summary is accurate to the best of DMF staff abilities as of 25 August 2023.
New Hampshire Web Resources
- Exterior Firewood Quarantine, NH Dept. of Agriculture, Markets & Food
- Firewood Page, NH Division of Forests and Lands
- Firewood Information Page, NH Bugs
- New Hampshire Firewood Quarantine
- Frequently Asked Questions on NH Firewood Quarantine
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