Current through Register Vol. 24-18, September 15, 2024
(1) Only the
following specified soil amendments, fertilizers, other crop production aids,
and pesticides may be used in the production of cannabis:
(a) Pesticides registered by WSDA under
chapter 15.58 RCW as allowed for use in the production, processing, and
handling of cannabis. Pesticides must be used consistent with the label
requirements.
(b) Commercial
fertilizers registered by WSDA under chapter 15.54 RCW.
(c) Potting soil, crop production aids, soil
amendments, and other growing media available commercially in the state of
Washington may be used in cannabis production. Producers growing out- doors are
not required to meet land eligibility requirements outlined in
7 C.F.R. Part
205.202.
(2) Examples of prohibited products:
(a) The use of products containing plant
growth regulators not allowed for use on food crops including, but not limited
to, any of the following ingredients, is prohibited:
(i) Ancymidol;
(ii) Chlormequat chloride;
(iii) Clofencet;
(iv) Colchicine;
(v) Colloidal silver;
(vi) Daminozide;
(vii) Dikegulac-sodium;
(viii) Flumetralin;
(ix) Flurprimidol; and
(x) Paclobutrazol.
(b) The use of vitamin-hormone products not
intended for use on food crops is prohibited.
(c) The use of products containing the
insecticide DDVP (Dichlorvos) is prohibited in all areas where cannabis is
being grown or processed.
(3) Soil amendments, fertilizers, growing
media, other crop production aids, and pesticides that do not conform to
subsections (1) and (2) of this section cannot be used, kept, or stored on the
licensed premises.
(4) The
following cannabis and cannabis products are subject to seizure and
destruction:
(a) Cannabis exposed to
unauthorized soil amendments or fertilizers; and
(b) Cannabis with levels of unauthorized
pesticides or plant growth regulators as provided in WAC
314-55-108.
Statutory Authority:
RCW
69.50.325,
69.50.331,
69.50.342,
69.50.345. WSR 13-21-104,
§ 314-55-084, filed 10/21/13, effective 11/21/13. WSR 13-21-003,
§ 314-55-084, filed 10/3/2013, effective
11/3/2013
