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Long Life Leatherjacket Nematodes - 20sq.m - 280g

Not AvailableLong Life Leatherjacket Nematodes - 20sq.m - 280g

Long life leatherjacket nematodes are slow release pearls that release beneficial nematodes into m...

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This guide is for gardeners, allotment growers, and homeowners dealing with leatherjacket larvae that damage lawns and plants. The key benefit is the slow-release pearl format, which gradually introduces beneficial nematodes to combat root-feeding pests in moist soil, offering effective and long-lasting control. A caveat is that the soil must remain consistently moist for several weeks after application for optimal results.

All features

Model Part NumberLLJ20
BrandGardening Naturally

Extended Product Information

FAQs

What are leatherjackets?

Leatherjackets are the larval stage of crane flies (also known as daddy longlegs). They live in the soil and feed on plant roots, grass, and other organic matter, which can cause significant damage to lawns and gardens.

How do these nematodes work?

Beneficial nematodes are microscopic worms that are natural predators of insect larvae. They enter the leatherjacket larvae and release bacteria that kill them, ultimately destroying the pest population.

When is the best time to apply?

The best time to apply is generally from August to October, when leatherjacket larvae are actively feeding and soil temperatures are suitable (minimum 5°C).

Do I need to mix the pearls with water before applying?

No, mixing is not required. The pearls are applied directly to moist soil and watered in afterwards. They are designed to break down gradually in the soil.

How long do I need to keep the soil moist after application?

You need to keep the soil moist for approximately 3 to 4 weeks after application to allow the nematodes to move through the soil and effectively target the leatherjacket larvae.

Can I use this product on my entire garden?

Yes, the product is suitable for lawns, beds, borders, and other outdoor growing areas where leatherjackets are active and the soil is moist.

What is the shelf life of the product?

The shelf life varies by batch; please refer to the expiry date printed on the packaging. Store in a cool place in the original packaging.

Does this product require refrigeration?

No, refrigeration is not required. Store the product in its original breathable packaging in a cool place.

Troubleshooting

Product effectiveness seems low.

Ensure the soil remained consistently moist for the full 3-4 weeks after application. Check that the soil temperature was above 5°C during application and the subsequent weeks. Verify even coverage and thorough watering-in after application.

Pearls are not breaking down.

The pearls require sufficient moisture to break down and release nematodes. Ensure the soil is being kept adequately damp after application, as per instructions.

How to store unused portions of the pack.

Store any remaining pearls in the original breathable packaging in a cool, dry place. Ensure it is not exposed to direct sunlight or extreme temperatures. Use within the shelf life indicated on the pack.

Pros and Cons

Pros

  • Effective control of leatherjacket larvae.
  • Convenient slow-release application method.
  • No pre-application mixing required.
  • Covers a significant area per pack.
  • Flexible application schedule.

Cons

  • Requires consistently moist soil for several weeks post-application.
  • Minimum soil temperature of 5°C needed for application.
  • Best applied during specific seasonal windows (August-October).

Setup, Compatibility & Care Instructions

Setup: No mixing or preparation is required. The product is ready for direct application.

Application: Apply the slow-release pearls directly to moist soil. Ensure even coverage across the target area. After application, water the area thoroughly to activate the release of nematodes and maintain soil moisture.

Compatibility: Suitable for use on lawns, flower beds, vegetable patches, and other outdoor growing areas. Ensure the soil temperature is at least 5°C before application.

Care: Store the product in its original breathable packaging in a cool, dry place away from direct sunlight. Do not store in airtight containers. Always use before the expiry date indicated on the pack. After application, keep the soil consistently moist for 3 to 4 weeks, as nematodes require moisture to move and survive in the soil. Avoid applying during drought conditions or if the soil is already very dry.