From. Plants for planting are considered to be from any country or locality in which they are grown. Provided, That plants for planting imported into Canada from another country or locality shall be considered as being solely from Canada if they meet the following conditions:
(1) They are imported into the United States directly from Canada after having been grown for at least 1 year in Canada;
(2) They have never been grown in a country from which their importation would not be authorized pending pest risk analysis under § 319.37-4;
(3) They have never been grown in a country, other than Canada, from which it would be subject to certain restrictions on the importation of specific types of plants for planting under § 319.37-20, which are listed in the Plants for Planting Manual; Provided, that plants for planting that would be subject to postentry quarantine if imported into the United States may be imported from Canada after growth in another country if they were grown in Canada in postentry quarantine under conditions equivalent to those specified in the Plants for Planting Manual; and
(4) They were not imported into Canada in growing media.
7 CFR § 319.37-2
The following definitions apply to this subpart: