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Is Purple loosestrife illegal in Utah?
Sources (3)
Also called: Lythrum salicaria. Last checked against official sources: 2026-10-14.
Federal noxious weed list (7 CFR 360.200): Purple loosestrife is not listed.
What Utah's official list says
| List / legal category | Listed as | List note | What it means |
|---|---|---|---|
| Class 2 control (R68-9-3), control list — not a sale ban | Lythrum salicaria | purple loosestrife | Not a sale ban — control-only list |
Effective dates
- The official list entry does not state a separate effective date for this species. See the linked law for when the listing took effect.
Already have it in your yard?
Control lists can require landowners or agencies to control or eradicate the plant. The list says it is not a sale ban, but control duties may apply to you as a landowner.
Native alternatives for Utah
- Cardinal flower (Lobelia cardinalis)
- Swamp milkweed (Asclepias incarnata)
Each is recorded as native to Utah in the USDA NRCS PLANTS Database state distribution (retrieved 2026-10-14). Check size, sun and soil fit for your site with your local Extension office.
More native swaps with hardiness, light and size →
Purple loosestrife in other states
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Idaho Illinois Louisiana Maine Massachusetts Michigan Minnesota Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oregon Pennsylvania South Carolina South Dakota Tennessee Texas Vermont Virginia Washington West Virginia Wisconsin Wyoming
See every plant on Utah's invasive & noxious plant lists, or check any plant.
Not legal advice. PlantLegit summarizes official lists and links the source. Laws change, local (county/city) rules may add restrictions, and the official text controls. "What it means" is our plain-English label; read the exact list wording. Confirm with the agency before buying, selling or removing plants. Full disclaimer.