Begin Main Content Area



List of Pesticides which may be used by Medical Marijuana Grower and Processors

The following pesticide active ingredients can be used legally in the growing and processing of seeds, immature medical marijuana plants, medical marijuana plants, or medical marijuana and in accordance with the Pennsylvania Pesticide Control Act of 1973 (act of March 1, 1974, P.L. 90, No. 24)(3 P.S. § § 111.21-111.62). To qualify, products containing the following active ingredients must also be registered in Pennsylvania, and labeled for use in greenhouses on unspecified food crops and/or unspecified herbs. Pennsylvania pesticide registration can be checked here.

The Pennsylvania Department of Agriculture (PDA) evaluates potential pesticide active ingredients for inclusion on this list on an annual basis. Candidates for addition to this list should be submitted to PDA by June 1st   of each calendar year.  This list will be reviewed and updated September of each calendar year. Deletions of active ingredients will occur on an as-needed basis. Submissions can be sent to:

Pennsylvania Department of Agriculture

Attn: Pesticide Registration

2301 North Cameron Street

Harrisburg PA 17110

The PDA will utilize the following criteria when evaluating active ingredients for inclusion on the list:

    1. The active ingredient is in at least one EPA registered pesticide, or is exempt under FIFRA 25(b)
    2. Pesticides containing this ingredient are labeled for unspecified food or herb crops
    3. The active ingredient is exempt from the requirements of a tolerance on all food crops

PDA may also consider other factors, such as pyrolysis data or whether addition of an active ingredient may likely lead to widespread misuse. This Notice shall become effective immediately upon publication in the Pennsylvania Bulletin. This publication supersedes all previously published Notices related to pesticide active ingredients for use by Medical Marijuana Growers and Processors.

List of Pesticide Active Ingredients approved for use by Medical Marijuana Growers/Processors

EPA StatusPesticide TypeCommentsActive Ingredient
25(b)Insecticide Castor Oil
25(b)Insecticide Cedarwood Oil
25(b)Insecticide Cinnamon
25(b)Fungicide, Insecticide Cinnamon Oil
25(b)Fungicide, Insecticide Citric Acid
25(b)Bactericide, Fungicide Clove
25(b)Insecticide Clove Oil
25(b)Fungicide Corn Oil
25(b)Insecticide Cornmint Oil
25(b)Insecticide Cottonseed Oil
25(b)Insecticide Garlic
25(b)Insect Repellent Garlic Oil
25(b)Fungicide Geraniol
25(b)Insecticide Geranium Oil
25(b)Fungicide, Insecticide Lemon Grass Oil
25(b)Insecticide Peppermint Oil
25(b)Fungicide Potassium Sorbate
25(b)Insecticide Rosemary
25(b)Insecticide Rosemary Oil
25(b)Fungicide, Insecticide, Miticide Sesame Oil
25(b)Fungicide, Insecticide Sodium Lauryl Sulfate
25(b)Insecticide Soybean Oil
25(b)Fungicide Thyme
25(b)Fungicide, Insecticide, Miticide Thyme Oil
25(b)Insecticide White Pepper
Sec 3 ProductsPGR 24-Epibrassinolide
Sec 3 ProductsInsecticide Azadirachtin
Sec 3 ProductsFungicide Bacillus amyloliquefaciens strain D747
Sec 3 ProductsFungicide Bacillus pumilus strain GHA 180
Sec 3 ProductsFungicide Bacillus subtilis QST713 strain
Sec 3 ProductsInsecticide Bacillus thuringiensis ssp. aizawai
Sec 3 ProductsInsecticide Bacillus thuringiensis ssp. israelensis
Sec 3 ProductsInsecticide Bacillus thuringiensis ssp. kurstaki strain EVB-113-19
Sec 3 ProductsInsecticide Beauveria bassiana strain ANT-03
Sec 3 ProductsInsecticide Beauveria bassiana strain GHA
Sec 3 ProductsInsecticide Burkholderia ssp. strain A396
Sec 3 ProductsInsecticide Canola Oil
Sec 3 ProductsInsect Repellent Capsicum Oleoresin Extract
Sec 3 ProductsInsecticide Chromobacterium sub strain PRAA4-1 Cells
Sec 3 ProductsFungicide, Insecticide Clarified Hydrophobic Extract of Neem Oil
Sec 3 ProductsFungicide Copper Octanoate
Sec 3 ProductsPGR Cytokinin (Kinetin)
Sec 3 ProductsInsecticide Diatomaceous Earth
Sec 3 ProductsPGR Gibberellins (Gibberellic Acid)
Sec 3 ProductsFungicide Gliocladium catenulatum strain J1446
Sec 3 ProductsPGR Harpin Alpha Beta
Sec 3 ProductsPGR Homobrassinolide
Sec 3 ProductsAntimicrobial, FungicidePost-harvest application prohibited Hydrogen Peroxide
Sec 3 ProductsPGR IBA (Indole-3-Butyric Acid)
Sec 3 ProductsInsecticide Isaria fumosorosea Apopka strain 97
Sec 3 ProductsInsecticide, PGR Kaolin
Sec 3 ProductsInsecticide Mineral Oil
Sec 3 ProductsFungicide Mono- and Dipotassium Salts of Phosphorous Acid
Sec 3 ProductsInsecticide Monopotassium Phosphate
Sec 3 ProductsNematicide Myrothecium verrucaria
Sec 3 ProductsFungicide, Insecticide Neem Oil, Cold Pressed
Sec 3 ProductsAntimicrobial, Fungicide Peroxyacetic Acid
Sec 3 ProductsFungicide Potassium Bicarbonate
Sec 3 ProductsInsecticide
Potassium Laurate
Sec 3 ProductsFungicide, Insecticide Potassium Salts of Fatty Acids
Sec 3 ProductsFungicide Pseudomonas chlororaphis strain AF5009
Sec 3 ProductsInsecticide Pyrethrins
Sec 3 ProductsFungicide Reynoutria sachalinensis extract
Sec 3 ProductsMolluscicide Sodium Ferric EDTA
Sec 3 ProductsFungicide Streptomyces lydicus WYEC 108
Sec 3 ProductsInsecticide, miticide Sucrose Octanoate Esters
Sec 3 ProductsInsecticide, FungicideOnly EPA-registered products are approved for use on medical marijuana. Burning sulfur for pest control is prohibitedSulfur
Sec 3 ProductsFungicide Trichoderma asperellum strain ICC 012
Sec 3 ProductsFungicide Trichoderma asperellum strain T34
Sec 3 ProductsFungicide Trichoderma gamsii strain ICC080
Sec 3 ProductsFungicide Trichoderma harzianum Rifai strain T-22
Sec 3 ProductsFungicide Trichoderma virens strain G-41