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Sierra Natural Science

EPA Exempt - All of our products are EPA Exempt, which means they pose little to no risk to your health or the environment & have a 0-day re-entry interval – so you don’t have to suit up to use our products.

Safe Around Children & Pets - We wanted to create products that weren’t made of harsh & harmful chemicals. All of our products are made to be safe around children & pets, when used as directed of course.

Organic Certified - Most of our main products are all organic certified, and can be used in organic production.

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  • $11.20
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    209 Systemic Pest Control - OMRI Listed

    Sierra Natural Science
    In stock

      209 Systemic Pest Control approaches the problem of insect pest control by working within the plant itself. This unique organic formula contains ...

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  • $13.99
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    $13.99
    Current price $13.99

    WeedRot Weed Killer Concentrate

    Sierra Natural Science
    In stock

    SNS WeedRot Weed Killer Concentrate is a post-emergent, non-selective weed killer uses a patent pending formula featuring Citric Acid to efficientl...

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  • $13.99
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    217C Spider Mite Control Concentrate - OMRI Listed

    Sierra Natural Science
    In stock

      217C's unique formula works by providing a barrier which is harmless to the plant, but fatal to the mites. Spider mites destroy plant cells by su...

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  • $11.99
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    $11.99
    Current price $11.99

    203 Soil Drench/Foliar Spray - OMRI Listed

    Sierra Natural Science
    In stock

      Made of rosemary and clove botanical extracts, 203 Concentrated Soil Drench and Foliar Spray has been developed to control damaging soil-borne pe...

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  • $25.49
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    $25.49
    Current price $25.49

    244 Fungicide Ready-To-Use

    Sierra Natural Science
    In stock

      SNS 244 Fungicide Ready-To-Use is absorbed systemically by the plant, suppressing the life cycle of the fungal spores nurturing a plant’s ability...

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    $25.49
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  • $23.99
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    $23.99
    Current price $23.99

    217 Spider Mite Control Ready-To-Use - OMRI Listed

    Sierra Natural Science
    In stock

      Spider Mites destroy plant cells by sucking out their contents and SNS 217 Spider Mite Control RTU formula works by providing a barrier that is h...

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    $23.99
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  • $32.99
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    $32.99
    Current price $32.99

    Systemica Insect Killer With Hose-End Sprayer - OMRI Listed

    Sierra Natural Science
    In stock

      Systemica Insect Killer with Hose-End Sprayer is a unique all-natural and organic formula that works as a two-in-one spray and root drench soluti...

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    $32.99
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    Current price $32.99
  • $13.99
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    $13.99
    Current price $13.99

    DC Disease & Fungal Control - OMRI Listed

    Sierra Natural Science
    In stock

    SNS-DC Disease & Fungal Control RTU provides a barrier and protective preservative shield for plants to heal and protect them against damaging ...

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    $13.99
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    $13.99
    Current price $13.99
  • $13.99
    Original price $0.00 - Original price $0.00
    Original price
    $13.99
    Current price $13.99

    244C Fungal Control Concentrate - OMRI Listed

    Sierra Natural Science
    In stock

    244C Fungal Control Concentrate is absorbed systemically by the plant, suppressing the life cycle of the fungal spores nurturing a plant’s ability...

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    $13.99
    Original price $0.00 - Original price $0.00
    Original price
    $13.99
    Current price $13.99

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