Before using this table, make sure to always read the product label and ensure that the pesticide is federally approved for use on hemp. If the pesticide is not federally approved for use on hemp, it has to be registered in your state and allowed for use on hemp.
Also, read the product label to validate if you are lawfully allowed to use the product as some pesticides are registered for residential use only, while others are registered for commercial use and cannot be utilized by non-licensed applicators. Visit hawthornegc.com for a more detailed summary of regulatory state and federal requirements.
OMRI listed insecticide, miticide and nematicide that kills a wide variety of pests and acts as an antifeedant, growth inhibitor and anti-oviposition. Works best against immatures.
Apply at any plant growth stage as a preventative or a curative treatment every 7 to 14 days.
EPA registered product that is labeled for use on hemp as a foliar or drench application.
Federally approved for hemp
OMRI listed
Spider mites
Broad mites
Russet mites
Aphids
Root aphids
Whiteflies
Thrips
Fungus gnat larvae
Fungus gnat adults
Powdery mildew
Yes
Yes
Yes
Yes*
Yes*
Yes
No
Yes
Yes
Yes
Yes
No
*The label does not cite the pest species name but it does cite the general group “mites”.
General Hydroponics® Defguard
Product
What
When
Why
General Hydroponics® Defguard
OMAn IPM foundational product, this broad spectrum biofungicide has been extensively tested and used across many plant types. Multiple modes of action work to protect against different foliar and soil pathogens of CBD Hemp.
Best applied preventatively every 3 to 7 days when disease pressure is high and at 10 to 28 days when pressure is low.
EPA registered disease control product labeled for use on hemp as a foliar application or drench. Colonizes soil to provide a favorable and competitive addition to the microbial community.
Federally approved for hemp
OMRI listed
Powdery mildew
Botrytis
Pythium
Yes
Yes
Yes
Yes
Some
General Hydroponics® Exile
Product
What
When
Why
General Hydroponics® Exile
OMRI listed contact insecticide, miticide and fungicide kills a wide variety of pests and powdery mildew through desiccation (rapid drying). Works best on immatures and soft-bodied insects.
Apply curatively at any plant growth stage every 7 to 14 days consecutively up to three times. Additional applications may occur if no injury is observed during previous applications.
EPA registered product that is labeled for use on hemp as a foliar application.
Federally approved for hemp
OMRI listed
Spider mites
Broad mites
Russet mites
Aphids
Root aphids
Whiteflies
Thrips
Fungus gnat larvae
Fungus gnat adults
Powdery mildew
Botrytis
Pythium
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
Yes
No
No
No
Disclaimer: When using this guide for recommendations on treating plant pest issues, you must always verify and follow any and all product label directions for use as required by federal and state laws.
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