Plant protection act summary

National Plant Board

Laws & Regulations

Laws & Regulations

The U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine Program (USDA APHIS PPQ) and the plant health agencies in each of the 50 states, regulate the shipment of nursery and greenhouse stock in an effort to minimize the spread of harmful insects, diseases, and other pests. The Federal & State Quarantine Summaries is designed as a reference tool for nursery stock growers, brokers, purchasers, and others involved in the buying, selling, and interstate transport of nursery and greenhouse plant crops.

Last Update/Confirmation:

Hemp-Regulations

December 2022

April 2024

April 2022

California

November 2023

March 2024

Connecticut

March 2024

February 2024

​ April 2023

September 2021

April 2022

September 2019

April 2023

August 2021

Massachusetts

September 2021

April 2023

April 2023

Mississippi

October 2018

April 2023

North Carolina

April 2022

North Dakota

March 2021

New Hampshire

December 2022

New Jersey

January 2023

New Mexico

August 2014

January 2019

December 2023

Pennsylvania

Puerto Rico

November 2008

Rhode Island

November 2022

South Carolina

April 2024

South Dakota

April 2023

November 2022

Washington

February 2024

Washington D.C.

December 2023

West Virginia

April 2018

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