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noxious weed seed

This publication contains information about the various state labeling requirements and prohibitions of noxious-weed seeds and shows the botanical names and common names according to the law and regulations of the particular state in which the seed is noxious. It is the responsibility of seed dealers to know the requirements of state laws and the changes in those laws.

This is an eOrganic article and was reviewed for compliance with National Organic Program regulations by members of the eOrganic community. Always check with your organic certification agency before adopting new practices or using new materials. For more information, refer to eOrganic’s articles on organic certification.

Common Prohibited and Restricted Noxious Weed Seeds

This is a list of prohibited and restricted noxious weeds species commonly found in vegetable seed lots. This is not a list of all noxious weed species. For current state noxious weed seed regulations as legislated by the Federal Seed Act, see the Agricultural Marketing Service’s 2008 State Noxious-Weed Seed Requirements Recognized in the Administration of the Federal Seed Act publication.

Published April 2, 2010

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A noxious weed is an invasive species of a plant which is designated as harmful to agricultural crops, ecosystems, or humans or livestock. Most of the noxious weeds have been introduced into an ecosystem by ignorance, or by way of accident. However, some of them are native. Noxious weeds greatly affect agricultural areas, forest management, natural and other open areas. The legal designation of noxious weed for a plant species can use the following criteria:

3. The management and eradication of the weed is feasible both economically and physically.

(A) For the purpose of title II [7 USCS §§ 1571 et seq.], the term “noxious-weed seeds” means the seeds or bulblets of plants recognized as noxious–

(iii) by the rules and regulations of the Secretary of Agriculture under this Act [7 USCS §§ 1551 et seq.], when after investigation he shall determine that a weed is noxious in the United States or in any specifically designated area thereof. (7 USCS § 1561)

2. It affects the area and is more harmful.