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Root Guardian™ Biofungicide

Protects for up to 3 Months

Protect your vegetable, fruit and ornamental plants from soil-borne fungal diseases. Root Guardian can be mixed into potting soil or used as a drench. Apply to seeds, plant roots and soil during planting. Works for up to three months, and promotes bigger, faster growing and vigorous root systems. Root Guardian's active ingredient is a microbe, Trichoderma harzianum Strain T-22 (KRL-AG2), which, when applied to seeds, transplants, soil, or planting mixes, grows onto plant roots as they develop and provides protection against harmful plant root pathogens. For seeds, mix 1-3 tablespoons per gallon of water to treat a 25' plant row. Drench the planting furrow before covering the seed with soil. For transplants, mix 1-3 tablespoons per gallon of water and apply .5-1 cup per plant at transplanting. For new and established beds, mix 1-3 tablespoons per gallon of water and apply at a rate of 1 gallon per 25 sq ft. For container plants, mix .5-1 cup (4-8 oz) per 4-8"" container.



For each offer ordered, get 2 1/2 oz (covers 300-ft row)

Out Of Stock

This item ships in both Spring & Fall

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  • Shipping


Most times, orders having items with different shipping schedules are held in full until the entire order is ready to ship based on your grow zone.

Plants will be shipped at the proper planting time for your area of the country using the shipping timeframes outlined below. We continually monitor weather conditions for extreme hot or cold and adjust shipping schedules as needed. Due to hot weather conditions, we are unable to ship most plant items in July and August.

2019 Spring Shipping Schedule
ZONE Hardgoods, Foods & Supplies
1A-4B 11/5/18 - 6/17/19
5A & 5B 11/5/18 - 6/17/19
6A & 6B 11/5/18 - 6/17/19
7A & 7B 11/5/18 - 6/17/19
8A & 8B 11/5/18 - 6/17/19
9A-10B 11/5/18 - 6/17/19
Last Order Date 6/14/2019

Additional Shipping Notes:

The type of product you order or the weather in our area to yours may affect the anticipated shipping schedule, shifting earlier or later, depending.

Trees and shrubs are kept in the nursery row until full dormant for optimum stress protection.

In all cases, we choose the fastest, most efficient way to send your orders via the U.S. Postal Service or FedEx. Large orders or large items may be shipped to you in multiple packages.

Please note that we cannot ship outside the 48 contiguous states.

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