Mushroom foraging laws in the US are a patchwork. The rules depend on who manages the land under your feet: the US Forest Service, the National Park Service, a state agency, a county, or a private owner. This guide explains how each one usually works, gives real examples, and shows you how to find the rules for your exact spot. It is general information, not legal advice, and rules change, so always check locally before you pick.
Whatever the law allows, the safety rule is the same everywhere: never eat a wild mushroom unless an experienced local expert has confirmed its identity. See our guide to deadly mushroom lookalikes.
The short answer
- National forests: personal-use picking is usually allowed, often with a free or paid permit and daily or seasonal limits that vary by forest.
- National parks: rules vary by park. Many prohibit collecting; a few allow small personal-use amounts.
- State parks and forests: rules vary by state, and sometimes by park.
- County and city parks: often prohibit removing anything. Check local ordinances.
- Private land: you need the owner's permission.
- Selling: you need a commercial permit on public land, and many states regulate selling wild mushrooms as food.
National forests
National forests are the most foraging-friendly public land in the US, but each forest sets its own rules for "non-timber" or "special" forest products, including mushrooms. Typical rules include a small amount you can pick without a permit, a free or paid personal-use permit for more, daily and seasonal limits, and conditions on how you carry your harvest.
Two real examples show how much this varies:
- The Idaho Panhandle National Forests let you pick less than one gallon a day (and no more than five gallons a season) without a permit. A free personal-use permit raises that to five gallons a day and 20 gallons a season. Morels must be sliced in half lengthwise before you leave the harvest area, and commercial picking is not authorized there.
- On the Blue Mountains forests of eastern Oregon and Washington, you can pick less than one gallon in Oregon, or less than five gallons in Washington, without a permit. Mushrooms picked free of charge cannot be sold, bartered or given away, and anything beyond those amounts needs a commercial permit.
Rules like these are reviewed regularly, so treat them as examples, not current limits. Find your forest's "forest products" or "permits" page on the Forest Service website, or call the local ranger district.
National parks
National parks are generally stricter. Under federal rules, each park superintendent decides what, if anything, visitors may gather, and publishes it in the park's Superintendent's Compendium. Many parks prohibit collecting mushrooms entirely. Some allow small amounts of edible mushrooms for personal use: Shenandoah National Park, for example, allows small amounts of edible mushrooms but prohibits collecting woody shelf mushrooms and inedible species.
Search for "[park name] superintendent's compendium" to find the current rules. If the compendium doesn't clearly allow mushroom collecting, assume it is not allowed.
State parks, state forests and other public land
There is no national rule for state land. For example, Minnesota allows visitors to harvest small amounts of edible mushrooms for personal consumption in state parks, but not along state trails, and bans commercial harvesting. Other states prohibit collecting in state parks altogether, and rules can differ between a state park, a state forest and a wildlife management area in the same state. Land managed by the Bureau of Land Management has its own rules too, so check with the local field office.
The reliable approach, recommended by clubs such as the Puget Sound Mycological Society, is to contact the most local manager you can find (the park office or ranger district) and ask.
Private land
Always get the landowner's permission before foraging on private land. Entering private property without permission can be trespassing, especially where land is posted, and penalties vary by state. Permission is also the easiest route to great foraging: many landowners are happy to let a respectful forager pick a few mushrooms, especially if you offer to share. The same applies to tribal lands, which set their own rules: get permission from the tribe before you forage.
How to find the rules for your spot
- Work out who manages the land. Public land maps, including the Forest Service's online visitor maps, show boundaries between national forest, park, state and private land, which can change within a single trail.
- Find the official rules. For national forests, look for the forest's "forest products" or "permits" page. For national parks, the Superintendent's Compendium. For state land, the state parks or natural resources agency.
- Call if it isn't clear. Ranger districts and park offices answer this question all the time.
- Get any permit before you go, carry it with you, and follow the carrying rules, such as slicing mushrooms in half where that is required.
- Check for closures and special areas. Burned areas, wilderness areas and research areas often have extra restrictions, even inside forests that otherwise allow picking.
Commercial picking
If you plan to sell mushrooms, the rules get much stricter:
- Public land: national forests that allow commercial harvest sell commercial permits, usually by the day or season, and some forests issue none at all. Commercial picking is often banned in wilderness areas.
- Selling as food: the FDA Food Code expects wild mushrooms sold to restaurants and stores to be identified by an approved identification expert, and several states, including Minnesota and Iowa, require proof of completed identification training. Check with your state's food safety agency before you sell a single mushroom.
Quick checklist
| Where | Usually allowed? | What to check |
|---|---|---|
| National forest | Yes, within limits | Forest's permit page: limits, free or paid permit, carrying rules |
| National park | Often no | Superintendent's Compendium |
| State park or forest | Varies | State parks agency and the park office |
| County or city park | Often no | Local ordinances, park office |
| Private land | Only with permission | Ask the owner, ideally in writing |
| Selling | Only with permits | Commercial permit, state food safety rules |
Check the local rules, every time
Wherever you live, the right question is not "is foraging legal?" but "is foraging allowed here?" Before you go, look for signs, check the land manager's website, and ask if you're unsure. Pick small amounts, leave plenty behind, and don't damage the ground. New to foraging? Start with our beginner's guide and our foraging calendar.
And if the rules where you live make foraging difficult, you can still have fresh gourmet mushrooms year-round: our guide to the easiest mushrooms to grow at home shows you how.