Wash. Admin. Code § 16-354-090
(2) Washington No. 1 shall consist of hop slips or rhizomes and/or layered stem cuttings of one strain, not less than five inches in length and not less than five-sixteenths inch in diameter and containing at least one visible bud, crowns not less than six inches in length and not less than three-fourths inch in diameter, with one or more visible buds which are:
(e) Free from damage caused by:
[Statutory Authority: Chapters 15.14 and 34.05 RCW. WSR 09-18-115, § 16-354-090, filed 9/2/09, effective 10/3/09. Statutory Authority: Chapter 15.14 RCW. WSR 85-15-046 (Order 1867), § 16-354-090, filed 7/16/85.]