Missouri: invasive & noxious plant laws
RSMo § 263.190 defines noxious weeds as those the Department of Agriculture designates by rule, requires owners to control them to prevent seeding, and states that "all sales of noxious weed species are prohibited." The list is 2 CSR 70-45.005 (12 species, effective March 30, 2012).
Official sources
- 2 CSR 70-45 Noxious Weed Rules (Missouri SOS, PDF)
- RSMo § 263.190 (Missouri Revisor)
- Missouri Dept. of Agriculture — noxious weed list
- Federal Noxious Weed List, 7 CFR § 360.200 (USDA APHIS) — applies in every state
Noxious weed (2 CSR 70-45.005) — sale prohibited (RSMo § 263.190.4); owners must control (12)
| Scientific name | Common name / notes |
|---|---|
| Cirsium arvense | Canada thistle |
| Dipsacus fullonum | common teasel |
| Dipsacus laciniatus | cutleaf teasel |
| Convolvulus arvensis | field bindweed |
| Sorghum halepense | Johnson grass |
| Pueraria montana | kudzu |
| Cannabis sativa | marijuana |
| Rosa multiflora | multiflora rose |
| Carduus nutans | musk thistle |
| Lythrum salicaria | purple loosestrife, and any hybrids |
| Onopordum acanthium | Scotch thistle |
| Centaurea stoebe | spotted knapweed, all subspecies |
Check plants against Missouri law →
Informational only, not legal advice. Lists change; always check the official source linked above before you buy, sell, plant or move a plant. Lists checked 2026-10-14.