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Knock-Out Gnats™ Granules

A biological larvicide that kills fungus gnat larvae

Knock-Out Gnats™ Granules

A biological larvicide that kills fungus gnat larvae

  • Thrice-weekly applications control gnat populations
  • Great for houseplants or greenhouses
  • Plant-safe
#3440
4 oz (makes 15-125 gallons)
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$29.99
Product Description

Fungus gnats love to lay their eggs in humus-rich organic soil and potting media, especially in moderately warm temperatures-which often makes them a real problem if you grow lots of houseplants or have a greenhouse. With Knock-Out Gnat Granules, the larvae ingest the larvicide and die before they can harm your plants. Simply apply the granules to the soil, then water to help spread the larvicide. It won't help control adult gnats, but by making thrice-weekly applications, you can control the next wave of larvae. If larvae is present, they usually respond to Knock-Out Gnats™ treatment in 24 hours. Can be used on Vegetable plants, such as tomatoes, leafy and cole crops, cucumbers, peppers and eggplants.

Product Details
  • Season: both Spring & Fall
Shipping Information

Orders for in-stock seeds and hardgoods are typically shipped within 5 business days.

Plants will be shipped at the proper planting time for your area of the country during the shipping timeframes outlined below:

2018 Fall Shipping Schedule
Zones All Perennials, Bulbs & Potted Plants
1A - 6B 9/14/18 - 10/26/18
7A - 10B 8/31/18 - 11/09/18
Last Order
Date
Zones 1-6: 10/22/2018
Zones 7-10: 11/5/2018

2018 Insects Shipping Schedule
    Zones     Lacewings, Lady Beetles &
Encapsulated Earthworms
Nematodes
1A 5/4/18 - 11/2/18 5/11/18 - 11/2/18
1B - 2A 5/11/18 - 11/2/18 5/11/18 - 11/2/18
2B - 3B 4/27/18 - 11/2/18 4/27/18 - 11/2/18
4A - 6A 4/13/18 - 11/2/18 4/13/18 - 11/2/18
6B - 7A 4/6/18 - 11/2/18 4/6/18 - 11/2/18
7B - 8B 3/9/18 - 11/2/18 3/9/18 - 11/2/18
9A - 10B 2/23/18 - 11/2/18 2/23/18 - 11/2/18
Last Order Date 10/29/2018 10/29/2018

Shipping Note:

The type of product you order or the weather in our area or yours may affect the anticipated shipping schedule.

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

In all cases, we choose the fastest, most efficient way to send your order—via the U.S. Postal Service or United Parcel Service. Large orders may be shipped in more than one package.

Please note that we cannot ship outside of the continental United States.

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