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Memorial Day Sale 2024

RootShield Plus WP Organic Fungicide

SKU: 2HR45A02
Regular price $165.00 $156.75
Unit price



RootShield® PLUS+ WP (Wettable Powder or Dissolvable Powder) naturally protects plants from soil-borne diseases such as Phytophthora, PythiumRhizoctonia, and Fusarium as well as other plant diseases. Easy to mix into media, RootShield PLUS+ now contains two active ingredients, Trichoderma harzianum Rifai strain T-22 and Trichoderma virens strain G-41. When applied, these microbes colonize plant roots and protect from damping off caused by common soil pathogens. RootShield PLUS+ also produces stronger root systems that have greater soil exploration and moisture uptake, resulting in better plant quality and marketability. RootShield PLUS+ is compatible with many commonly used fungicides, fertilizers, insecticides, and herbicides. It is an excellent tool for fungicide reduction and resistance management.


  • Next generation RootShield that now prevents soilborne Phytophthora, and improved control of hot season Pythium (P. aphanidermatum).
  • Also controls Fusarium, Pythium, Rhizoctonia, Thielaviopsis and Cylindrocladium.
  • 0-hour REI / 0-day Pre-Harvest Interval (PHI).
  • Costs less than 2¢ per 6-inch pot.
  • Promotes a healthier root system, increasing root mass potential.
  • For media incorporation in nurserie, greenhousee and vegetables.
  • One application provides up to 12 weeks of protection.

RootShield PLUS+ is organic and environmentally-friendly and can be used against many soil diseases without worrying about pets, animals and children.

  • Pythium
  • Phytophthora
  • Rhizoctonia
  • Fusarium
  • Cylindrocladium
  • Thielaviopsis

...Plus Many More.  See LABEL HERE for full list.

  • Apply RootShield PLUS+ WP at a rate of 2 to 3 teaspoons (3 teaspoons is 1 tablespoon) per 5 gallons.
  • For larger volumes, use at 3 to 5 ounces per 100 gallons.
  • For trays/flats/liners less than 4 inches deep, use 50-100 gallons per 800 square feet.
  • For trays/flats/liners 4 inch or deeper, use 100 gallons per 400 square feet.
  • For 6 inch pots, use 1 cup per pot.

Frequency: Re-apply RootShield PLUS+ every 10-12 weeks or when transplanting/up-planting to larger containers or out into fields.

CompatibilityRootShield PLUS+ is compatible with many products commonly used in tank mixes by plant, tree and turf care professionals. Our scientists have tested various products for tank mixing compatibility, please see the chart below. 

For Additional General Application Information Click Here
For Small Volume (5 Gallon) Application Information Click Here
RootShield Plus+ Compatibility Chart

Trichoderma harzianum Rifai strain T-22* ........ 1.15%.
Trichoderma virens strain G-41** .......................... 0.61%.
*Contains at least 1.0 x 107 colony forming units per gram dry weight.
**Contains at least 5.3 x 10colony forming units per gram dry weight.

  • 1 lb. Wettable Powder (Covers 10,000 square feet).
  • 3 lb. Wettable Powder (Covers 30,000 square feet).
  • 30 lb. Wettable Powder (Covers 7 Acres).







Our sister company, Green Earth Ag & Turf, brings a decade of experience as the U.S. leader in providing Professional Landscapers, Farmers and Indoor Growers like you the best in organic products for higher yields, aesthetics and profits!  Discounted professional or wholesale prices can be found there.

to quickly and easily open a wholesale account with us or to get bulk and professional pricing. 

You can also contact us directly at (866) 374-5101 or for the top technical and customer service in the industry.  

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Customer Reviews

Based on 1 review
Edith Iwan
Always great service

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