Special offer

BULK PACK of Leatherjacket Nematodes 500 sqm

(13 customer reviews)

£69.99

Quantity Price
1 £69.99
2+ £64.99

Special Offer BULK PACKS – Do you have a bigger Lawn? These bulk packs allow you to order 500 sqm packs at a time and SAVE MONEY. Control leatherjackets naturally by treating with Leatherjacket Nematodes containing millions of natural Steinernema Feltiae nematodes – mix with water and apply to the infected lawn with a watering can or an EasyNem Applicator– much better for larger areas. It is best to treat in the Autumn i.e. Sept/Oct/Nov as this is when the leatherjackets are at the most susceptible to the nematodes, but you can treat at other times of the year, but you must treat at DOUBLE STRENGTH as the mature leatherjackets are much harder to kill. This BULK PACK treats 500 sqm in the Autumn or 250 sqm when applied at double strength.  The nematodes in Green Gardener Leatherjacket Killer are perishable (it will keep for 2 weeks in the fridge) and need a daytime soil temp of 10°c, so order when the soil is warm enough and you are ready to apply. N.B. Available NOW or select your own dispatch date below.

N.B. Need a Coarse Rose, NemaCan Watering Can, EasyNem Applicator or Hose-end Feeder  – Add one to your basket and save £1.00 off a Coarse Rose OR save £2.00 off a EasyNem ApplicatorHose-end Feeder or NemaCan when bought with your nematodes (savings applied at the checkout).

Special Offer – Help your lawn recover from a Leatherjacket attack

Select a future w/c dispatch date or leave today’s date for dispatch ASAP * 

Full Description

Daddy Long LegsCrane flies or daddy long legs lay their eggs in the same area of lawn from which they emerge, so numbers increase rapidly. These eggs hatch in August / Sept and the larvae immediately start to feed on the grass roots. The leatherjackets will feed though the autumn, before overwintering. They start feeding again the following spring and gorge on grass roots before pupating to emerge as adults in August. The symptoms of an attack are that grass growth slows and yellow patches appear PLUS the grass easily pulled up with little or no root growth. One of the biggest indicators of an infestation are birds, particularly starlings, which will pull at the lawn (causing even more damage) in search of the leatherjackets to eat.

LeatherjacketsLeatherjackets – In August, customers report clouds of daddy long legs emerging from lawns in early morning leaving behind the casings sticking up in the lawn. As the daddy long legs emerge, they start to lay their eggs back in infected lawns starting the whole cycle again – the next generation of leatherjackets hatch within 2 weeks. Leatherjackets are up to 2.5cm / 1″ long, greyish black in colour, legless and with no distinct head. We recommend treating with Nemasys® Leatherjacket Killer in late autumn when the leatherjackets are newly hatched, close to the surface and the soil is warm and the leatherjackets are the most susceptible to the nematodes. You can treat during the rest of the year, but you need to apply the treatment at double strength.

Control leatherjackets naturally by applying Nemasys® Leatherjacket Killer containing millions of nematodes (Steinernema Feltiae) to the infected lawn as soon as the leatherjackets are discovered (and the soil temperature is 10c) or when the leatherjackets are active i.e. in the autumn (Sept / Oct) and in the spring (April). Nemasys® Leatherjacket Killer is effective at killing leatherjackets, but is harmless to children, wildlife and pets and the lawn may be used immediately after application. Apply as follows :-

  • Apply Nemasys® Leatherjacket Killer in September/October – This is the ideal time to treat as the soil is warm PLUS the leatherjackets are newly hatched and are the most susceptible to the nematodes, so if you have had leatherjackets in the past or have discovered a leatherjacket infestation or your neighbours are infested and you want to keep them at bay, treat in September/October. When applying in the autumn, each pack will treat 500 sqm. Order for delivery in the autumn. Available NOW or enter a future dispatch date when ordering.
  • Apply Nemasys® Leatherjacket Killer when leatherjackets are discovered – Nemasys® Leatherjacket Killer is normally applied in September as this is when the leatherjackets are newly hatched and most susceptible to the nematodes, but if you have discover leatherjackets (not daddy long legs) at any other time of year i.e. in the spring/summer then treat at double strength as the mature leatherjackets are much harder to kill, but you must treat in September as well. When applying in the spring / summer at double strength, each pack will treat 250 sqm. Available ALL Year round.

How to apply? – Nemasys® Leatherjacket Killer is easy to use. Simply mix the harmless powder with water & apply to the lawn using a watering can fitted with a Rose (we recommend the Rose no.14 or our NemaCan) or use an Easynem Applicator for larger areas. Nemasys® Leatherjacket Killer should be applied to a moist lawn (we recommend pre – watering) on a dull day or in the evening. After application you MUST wash the nematodes into the lawn by watering heavily with a hose or a sprinkler. Once applied the nematodes will seek out the leatherjacket larvae and on contact they enter the larvae and destroy it. Having destroyed the leatherjacket ,the nematodes multiply and are released back into the soil to hunt down more leatherjackets.

How is it sent? – Nemasys® Leatherjacket Killer is a perishable, living product, so it is sent out fresh by Royal Mail 1st class post. Being a perishable, living product, it must be used before the expiry date (which is marked on the inside of the pack and will be at least 2 weeks) and it must be stored in the fridge until it is needed. Once opened, the contents do not keep, so it must be used in one day – do NOT store the made up solution or powder. 1 pack will go through your letterbox and should be popped in the fridge as soon as possible – they are fine on the doormat while you are at work.

N.B. Need a Coarse Rose, NemaCan Watering Can, EasyNem Applicator or Hose-end Feeder  – Add one to your basket and save £1.00 off a Coarse Rose OR save £2.00 off a EasyNem ApplicatorHose-end Feeder or NemaCan when bought with your nematodes (savings applied at the checkout).

Reviews

  1. Anonymous (verified owner)

    Good product (nematode leatherjacket treatment) – highly effective last year so re-applied.
    Prompt delivery and good instructions

  2. Anonymous (verified owner)

    The nematode dose for leather jackets in my lawn has worked wonders! After two weeks my lawn has recovered and the patches have disappeared!
    Really simple to apply!

  3. Ian Flockhart (verified owner)

    After losing an entire lawn to Leatherjackets in 2014, I started using the Nematode product twice a year. Since then my lawn has been untouched. This year I had an additional problem with large numbers of very large slugs. Once again Green Gardener provided the cure.

  4. Steve Hawen (verified owner)

    We have used Leatherjacket killer for three years now after our law was decimated .
    The results were amazing after first application.
    Fantastic product. Thanks Team.

  5. Anonymous (verified owner)

    Excellent quick service. Blighted with Leather Jackets in my garden each year. Then the government bans the pesticides. Someone told me about Green gardener and their alternative and I use it every year. No more eaten away grass. Quickly despatched with full instructions.

  6. Mark Boon (verified owner)

    Easy ordering process, prompt delivery. I used Leatherjacket Nematodes on my lawns in spring and again in September. So far all good. Not had any tell tale bald patches or birds pecking at the grass.

  7. mark sutton (verified owner)

    Great delivery service advice was there if you need it good selection of products. Purchased this item before works really well .

  8. Jack (verified owner)

    Had a very bad leather jacket infestation early spring which pretty much destroyed the whole lawn by the time I realised what the problem was. Given the stage of the larvae I used several applications over a couple of months and followed the instructions carefully, after some time and patience they have been eradicated completely and the lawn is starting to recover with some TLC. Great product and service and I will be ordering it again in the Autumn as a preventative measure

  9. Tracey (verified owner)

    Hopefully I will now get rid of the leather jackets that have been eating my grass roots. Green gardener helped me understand what was happening with my brown patches. I ordered the intensive treatment the second I have packet of Nematodes I watered in today. I saw Daddy long legs and leatherjackets cases today. It’s amazing when you know what your looking for.

  10. Mark Henderson (verified owner)

    Been using green gardener for a number of years now and have always been good . I mainly use the nematodes which work great even if they are not the cheapest . They are also great if you need advice on gardening matters or pests .

  11. Anoymous (verified owner)

    Great service and things arrived promptly (nematodes and watering can). Instructions easy to follow and grass already looking better. Just about to order more for autumn. Highly recommend.

  12. kieron Halton (verified owner)

    Bought some leather jacket treatment which was easy to do ( just add water and pour ) The price was extremely competitive and the goods were delivered extremely quickly. Definitely recommend and will use again.

  13. Thomas George Black (verified owner)

    I have given a 5 star review on the nematodes provided. They arrived well packaged and on time. My lawn is severely ravaged by rooks eating the leatherjacket larvae. I have applied the nematodes as instructed and hopefully will reap the benefits in a year’s time with a reduced infestation. Time will tell.

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