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Is Japanese barberry illegal in Delaware?
Sources (2)
Also called: Berberis thunbergii. Last checked against official sources: 2026-10-14.
Federal noxious weed list (7 CFR 360.200): Japanese barberry is not listed.
What Delaware's official list says
| List / legal category | Listed as | List note | What it means |
|---|---|---|---|
| Invasive Plant List (3 Del. C. § 2903; 3 DE Admin. Code 806) — no import, export, buying, selling, transport, distribution or propagation | Berberis thunbergii | Japanese barberry | Yes — listed as prohibited |
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.
Exempt cultivars in Delaware (3)
- 'UCONNBTCP4N' Crimson Cutie — conditionally exempt
- Lemon Cutie (the rule repeats the code 'UCONNBTCP4N') — conditionally exempt
- 'UCONNBTB048' Lemon Glow — conditionally exempt
Already have it in your yard?
Most state invasive-plant laws, including the list wording above, target selling, distributing, propagating or planting. They generally do not order you to remove a plant already in your yard, but some noxious-weed laws do require control. Read the linked law or ask your county Extension office.
Native alternatives for Delaware
- Inkberry (Ilex glabra)
- Black chokeberry (Aronia melanocarpa)
- New Jersey tea (Ceanothus americanus)
- Ninebark (Physocarpus opulifolius)
- Shrubby St. John's-wort (Hypericum prolificum)
Each is recorded as native to Delaware 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 →
Japanese barberry in other states
Connecticut Indiana Maine Maryland Massachusetts Michigan Minnesota New Hampshire New Jersey New York Pennsylvania Vermont Virginia West Virginia Wisconsin
See every plant on Delaware'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.