Oregon Revised Statutes Agriculture § 571.045

(1) Any person whose business consists only of retail sales to the ultimate consumer and the total of such sales of nursery stock does not exceed $250 during a fiscal year. Except as provided in subsection (2) of this section, the provisions of ORS 564.040, 564.991, 571.005 to 571.230 and 571.991 apply at any time the sales of nursery stock exceed $250 during a fiscal year.

(2) A person licensed as a landscape contracting business under ORS 671.560 and 671.565 who does not grow plants, does not store plants except as provided by the State Department of Agriculture by rule, and acquires all plants from a nursery licensed under this chapter.