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COVID-19 Status: Currently not experiencing delays. Fall items will arrive at the proper planting time for your area.
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COVID-19 Status: Currently not experiencing delays. Fall items will arrive at the proper planting time for your area.
Flea Defeater - Flea Control Nematodes

Keep your yard a flea-free zone

Flea Defeater - Flea Control Nematodes

Keep your yard a flea-free zone

  • Steinernema carpocapsae
  • Combats fleas and many other pest insects with naturally occurring nematodes
  • Environmentally friendly, non-chemical beneficial microscopic worms
  • Safe for people, pets and plants
  • Typically requires just one application per season
  • All-natural pest control

Begins shipping late February
Choose an option
Product Description
Fleas can make us and our pets miserable, not to mention the headache, time and work it takes to get rid of them. Keep your home and pets from becoming infested by using Flea Defeater Nematodes! It's our number one recommended product for controlling fleas and other pests in an environmentally friendly, non-chemical way.

What are Nematodes? Nematodes are microscopic, beneficial predatory worms that hunt down and kill pest insects but pose no threat to people, pets or plants. They won't harm beneficial insects, either. They're an environmentally friendly, non-chemical solution to get rid of flea larvae and many other soil-dwelling pests.

Application Rates. 5 million nematodes will cover 200 sq. ft; 10 million nematodes will cover 400 sq. ft. Infested areas should be spot treated, and it's a good idea to extend treatment a couple of feet beyond the infested area. Reduce coverage area by half for heavy infestations. Concentrate application in areas that pets frequent, shaded areas, under porches and around structures where fleas can hide.

Pests Controlled. There are a variety of beneficial nematodes and while more than one type can control several of the same pest insects, some nematode varieties are better suited for controlling certain pests. Flea Defeater Nematodes are best at controlling the soil-dwelling pests that affect our pets such as Flea Larvae and Pupae. They also control: Annual Bluegrass Weevils, Armyworms, Artichoke Plume Moth Larvae, Banana Moth Larvae, Banana Root Borers, Bill Bugs, Carpenterworms, Chinch Bugs, Clearwing Borers, Codling Moth Larvae, Corn Earworms, Corn Rootworms, Cranberry Girdlers, Crane Fly Larvae, Cutworms, Dogwood Borers, Giant Palmetto Weevils, Iris Borers, Mint Flea Beetles, Mint Root Borers, Mole Crickets, Navel Orange Worms, Peach Tree Borers, Pine Weevils, Poplar Clearwing Borers, Raspberry Crown Borers, Root Weevils, Rotten Sugarcane Borers, Shore Flies, Sod Webworms and Strawberry Weevils. (Flea Defeater Nematodes are best suited for pests in bold.)

Effectiveness. Flea Defeater Nematodes can be applied anytime the soil is not frozen, but become active at soil temperatures of 55°F or above. Nematodes are most effective at controlling pests in the spring and fall. Once they're applied, look for the adult pest population to begin dwindling in 1-2 weeks. Flea Defeater Nematodes kill pests at the larval and pupal stages, so they'll prevent future pest populations once the adults die off.

Nematodes are packaged with diatomaceous earth (which is mostly silica), water, and potassium sorbate.

Product Details
  • Season: both Spring & Fall
  • Size: 10 Mil
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:

Fall 2020 Shipping Schedule
  Zones   All Perennials, Bulbs & Potted Plants
1A-4A 9/21/20 - 10/30/20
4B 9/21/20 - 10/30/20
5A 9/21/20 - 10/30/20
5B 9/21/20 - 10/30/20
6A 9/21/20 - 10/30/20
6B 9/21/20 - 10/30/20
7A 9/21/20 - 10/30/20
7B 9/21/20 - 10/30/20
8A & B 9/21/20 - 10/30/20
9A & B 9/21/20 - 10/30/20
10A & B 9/21/20 - 10/30/20
Last Order Date 10/26/2020

2020 Insects Shipping Schedule
  Zones   Nematodes & Encapsulated Worms
1A 5/13/20 - 10/30/20
1B - 2A 5/13/20 - 10/30/20
2B - 3B 4/29/20 - 10/30/20
4A - 6A 4/15/20 - 10/30/20
6B - 7A 4/8/20 - 10/30/20
7B - 8B 3/11/20 - 10/30/20
9A - 10B 2/25/20 - 10/30/20
Last Order Date 10/23/2020

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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Questions & Answers

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