Wash. Admin. Code § 16-302-520 – Seed standards for red clover seed certification

(1) Red clover seed must be free of prohibited noxious weed seeds and Foundation class must be free of Brassica spp.
(2) One pound of seed will be examined for the presence of dodder.

(3) Seed standards for the production of red clover seed are as follows:

Purity		Foundation	Certified
Pure seed	(Min.)	99.00%	99.00%
Other crops	(Max.)	18 per lb.	0.25%
Inert matter	(Max.)	1.00%	1.00%
Sweet clover	(Max.)	9 per lb.	90 per lb.
Weed seed	(Max.)	0.15%	0.25%
Objectionable weed seeds	(Max.)	none found	90 per lb.
Germination (minimum total germination and hard seeds)		85.00%	85.00%
or Tetrazolium (minimum total tetrazolium and hard seeds)		87.00%	87.00%

[Statutory Authority: RCW 15.49.005, [15.49].021, [15.49].310, [15.49].370, 15.140.030, and chapter 15.49 RCW. WSR 25-09-035, s 16-302-520, filed 4/9/25, effective 5/10/25. Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. WSR 00-24-077, § 16-302-520, filed 12/4/00, effective 1/4/01.]