Plant Quarantines

Nursery Stock Purchasing Guide (PDF 1.2 MB)  Created to help nursery retailers when ordering nursery stock.
Summarizes WSDA's plant health quarantines on incoming grapevines, barberry and other plants, and what is required to meet those quarantines.

Blueberry Scorch Virus Quarantine [PDF 2.0 MB]   Created to help Washington's thriving blueberry industry protect our blueberry crop from this virus.
Assists with choosing blueberry stock for commercial or household use. Under the quarantine, all regulated plants sold, planted, offered for sale or transported within Washington state must be free of blueberry scorch virus.

Washington State Summary of Agricultural Quarantines [PDF 630 kB]  Detailed summary, 46 pages

Washington State Agricultural Quarantines - Quick Reference [PDF 232 kB]  Short reference sheet, 2 pages

These summaries should not be assumed to be complete or legally binding. For specific and more detailed information on the apple maggot quarantine, including boundary information, visit WSDA's Apple Maggot Quarantine webpage. 

Find the complete text of Washington's plant quarantines at the Laws and Rules section of our agency website.

For information regarding plant quarantine regulations in all other states, please visit the National Plant Board website or the individual state department of agriculture websites.
 

Nurseries and plant sellers/installers receiving tree, shrub and vine nursery stock imported into Washington from any out-of-state source are required to notify the Washington State Department of Agriculture (WSDA). In addition, plant material subject to our Washington State Agricultural Quarantines [PDF 601 kB] may require notification prior to shipping. This quarantine summary can also be found at the National Plant Board. 

Notification must include the species of plant(s), quantities of each species, source of each shipment, date of shipment and the contact information for the place of business, including telephone numbers and e-mail address (if available). Copies of regular shipping documents, such as load lists, with this information are encouraged. Plant material subject to plant quarantines may include additional notification requirements not listed above.

Notification must arrive at WSDA no later than two business days after arrival of the shipment at the receiving place of business. Notification in advance of the shipment is encouraged.

When required, prior notification of shipment can be made to WSDA by U.S. mail, fax, delivery service, or e-mail to: 

Plant Services Program, Plant Protection Division 
Washington State Department of Agriculture 
1111 Washington St. S.E. 
P.O. Box 42560 
Olympia, WA 98504-2560 
Fax 360-902-2094 
E-mail: Nursery@agr.wa.gov