Statutes, codes, and regulations
Washington Administrative Code
Title 16 - Agriculture, Department of (See also Titles 24, 60, and 142)SEEDS AND PLANTING STOCK CERTIFICATIONChapter 16-302 - General rules for seed certificationPart 5 - SPECIFIC SEED CERTIFICATION STANDARDS
Woody Plants and Forbes Certification Standards
Section 16-302-470 - Seed standards for woody plants, forbs, and other reclamation species

Wash. Admin. Code § 16-302-470

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Current through Register Vol. 24-23, December 1, 2024
Section 16-302-470 - Seed standards for woody plants, forbs, and other reclamation species

SEED STANDARDS

CropMinimum % GerminationMinimum % Pure seedMaximum % InertMaximum % Weeds (a)Maximum % Other crops
F/R C F/R C F/R C F/R C F/R C
Small burnet 80 80 95 95 5 5 0.10 .2 .1 .25
Purple prairie clover 60(b) 60(b) 95 95 5 5 0.20 .5 .1 .25
Bitterbrush, antelope 75 75 95 95 5 5 0.10(a) 0.20 0.40 0.15(g) 1.25 0.50(g)
Balsamroot, arrowleaf scle-rotinia 85 85 99 98 1.00 0 2.00 1/lb 0.02 0.04 0.10 0.20
Saltbush, four-wing 30 30 85 85 15 15 0.25(a) .5(a) .40 .15(g) 1.25 .50(g)
Gallardia(d) 60 60 90 90 10 10 0.20(a) 1.00(a) .20 .10(g) 2.00 .25(g)
Prairie blazingstar or Gay-feather, thickspike (Liatris pycnostachya)(d) 60 60 85 80 15 20 0.30(a) 0.30(a) 0.20 0.10(g) 2.00 0.25(g)
Kochia, prostrate, forage Restricted noxious weeds 35 35 65 65 35 35 0.10 45/lb 0.20 91/lb 9/lb 25/lb
Artemesia sage, Louisiana sagebrush, big mountain sage, pitcher's (Salvia)

30

50

25

30

50

25

80

10

90

80

10

90

20

90

10

20

90

10

 0.25 0.25(a) 0.30(a) 0.50(a) 0.50(a) 0.30(a) 0.40 0.40 0.25(g) 0.20(c) 0.10(g) 1.25 1.25 0.75(g) 2.00(c) 25(g)
Milkvetch, cicer Alfalfa & sweet clover Restricted noxious Sclerotia 75 70 99 98 1 0.10 2 0.10 0.01(a) None 0.20(a) 9/lb 0.01 9/lb 0.10(g) 0.20 45/lb 0.50(g)
Lupine Restricted noxious 80 80 98 98 2 2 0.25 0 0.50 9/lb 0.10 0.40
Mountain mahogany 60 60 85 85 15 15 0.25(a) 0.50(a) 0.40 0.15(g) 1.25 0.75(g)
Penstemon spp. 80(d) 80(d) 90 90 10 10 0.20 1.00 0.20(c) 90/lb(e) 2.00(c) 180/lb(e)
Prairie-coneflower 60 60 90 90 10 10 0.20(a) 1.00 (a) 0.20(c) 0.10(g) 2(c) 2.00(g)
Safflower - 85 - 99 - 1 -(a) 10(a) -1 in 2lbs(f) 0.10 1 in 1 lb(f)
Sainfoin Restricted noxious weeds - 80 99 99 1 2 0.10(a) 0.20 9/lb 0 0.10
Sand-reed, prairie 70 70 90 90 10 10 0.10 0.25 0.10 0.50
Winterfat 40 40 60 60 40 40 0.25 0.50 40 0.15(g) 1.25 0.75(g)

(a) Must be free prohibited and restricted noxious weed seed.
(b) Includes total germination and hard seed.
(c) Never to exceed 0.25% other forbs.
(d) Total viability by TZ.
(e) Sweet clover.
(f) Barley, oats, rye, triticale, or wheat.
(g) Other varieties or kinds.

Wash. Admin. Code § 16-302-470

Amended by WSR 14-20-050, Filed 9/25/2014, effective 10/26/2014
Amended by WSR 17-08-090, Filed 4/5/2017, effective 5/6/2017
Amended by WSR 18-19-017, Filed 9/10/2018, effective 10/11/2018

Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. 00-24-077, § 16-302-470, filed 12/4/00, effective 1/4/01.