Are Mushroom Spores Legal? State-by-State
Microscopy & research spore legality across the U.S., reviewed June 2026
Mushroom spores are legal for microscopy and research in most U.S. states, because spores contain no psilocybin. Only 3 states (California, Georgia, Idaho) restrict Psilocybe spores. Find your state below.
| State | Psilocybe spore status |
|---|---|
| Alabama | Legal (research) |
| Alaska | Legal (research) |
| Arizona | Legal (research) |
| Arkansas | Legal (research) |
| California | Restricted |
| Colorado | Legal (research) |
| Connecticut | Legal (research) |
| Delaware | Legal (research) |
| Florida | Legal (research) |
| Georgia | Restricted |
| Hawaii | Legal (research) |
| Idaho | Restricted |
| Illinois | Legal (research) |
| Indiana | Legal (research) |
| Iowa | Legal (research) |
| Kansas | Legal (research) |
| Kentucky | Legal (research) |
| Louisiana | Legal (research) |
| Maine | Legal (research) |
| Maryland | Legal (research) |
| Massachusetts | Legal (research) |
| Michigan | Legal (research) |
| Minnesota | Legal (research) |
| Mississippi | Legal (research) |
| Missouri | Legal (research) |
| Montana | Legal (research) |
| Nebraska | Legal (research) |
| Nevada | Legal (research) |
| New Hampshire | Legal (research) |
| New Jersey | Legal (research) |
| New Mexico | Legal (research) |
| New York | Legal (research) |
| North Carolina | Legal (research) |
| North Dakota | Legal (research) |
| Ohio | Legal (research) |
| Oklahoma | Legal (research) |
| Oregon | Legal (research) |
| Pennsylvania | Legal (research) |
| Rhode Island | Legal (research) |
| South Carolina | Legal (research) |
| South Dakota | Legal (research) |
| Tennessee | Legal (research) |
| Texas | Legal (research) |
| Utah | Legal (research) |
| Vermont | Legal (research) |
| Virginia | Legal (research) |
| Washington | Legal (research) |
| West Virginia | Legal (research) |
| Wisconsin | Legal (research) |
| Wyoming | Legal (research) |
| District of Columbia | Legal (research) |
Frequently asked questions
Are mushroom spores legal in the United States?
Mushroom spores are legal to buy and possess for microscopy and research in most U.S. states, because spores contain no psilocybin. Only 3 states (California, Georgia, Idaho) specifically restrict Psilocybe spores.
Which states restrict mushroom spores?
California, Georgia, Idaho restrict Psilocybe ("magic") mushroom spores. Gourmet and medicinal mushroom spores remain legal nationwide.
Is it legal to grow mushrooms from spores?
Germinating Psilocybe spores produces psilocybin, a controlled substance, so cultivation is illegal in most states even where the spores are legal to own. Gourmet and medicinal species are legal to cultivate.
This page is general information for microscopy, research, and educational purposes, not legal advice. Spore laws can change; confirm the current law in your jurisdiction before purchasing. SporeStore.com sells spores for microscopy, taxonomy, and research use only.