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🌿 Naturally lethal, effortlessly green: your lawn’s secret weapon!
Nemasys Leatherjacket Killer delivers millions of Steinernema feltiae nematodes in a 2-pack format, covering 200 sqm of lawn area. This natural, chemical-free solution targets leatherjacket larvae most effectively in autumn but can be used year-round at double strength. Safe for children, pets, and wildlife, it allows immediate lawn use post-application. The product is perishable with a 2-week fridge shelf life, ensuring peak nematode viability for superior pest control.
| Asin | B0753BYBMW |
| Best Sellers Rank | 5,380 in Garden (See Top 100 in Garden) 1,187 in Pest Control Products |
| Brand Name | Nemasys |
| Customer Reviews | 4.2 4.2 out of 5 stars (611) 4.2 out of 5 stars |
| Item Weight | 199 Grams |
| Target Species | Insects |
| Unit Count | 2 count |
User
They work
They work but use them as soon as you recieve them
User
Good product
had quite a lot of this alongwith Xen Tari. It works as we've not had repeated problems with leather jackets.
User
Easy to use, but it may take a few applications
Having a very infested lawn on a new build house I have used this product over the last 2 years and again at the start of this year (2026). You may need to use double doses at the beginning of the year (May) application is by watering can. Can only wait and see in September /October. It's an easy product to use if you follow the instructions carefully. It's safe to use and does harm pets.
User
Didn’t work.
Unfortunately these didn’t work. The birds did a better job of eating the leather jackets. Also very expensive.
User
Trust in the force luke
You will never know if this works or not. It is a leap of faith.
User
Easy to apply
Good Idea, not sure if it's working yet
User
Worked a little
We got these as we had weather jackets in our garden and so we did what it said and double dosed. It killed a few but I did find others still alive.Will try again in October ready for next year.
User
Helped my lawn
Had a problem with leather jackets and early application in spring really helped this year
Trustpilot
5 days ago
2 weeks ago