
NemaKnights Nematodes All Purpose Biological Chafer Grub and Vine Weevil Control
NemaKnightsTM gives you a natural, biological control of Rose and Japanese beetle grubs, Black Vine Weevil, Chafer Grubs, Asparagus Beetle Grubs, Click Beetles (wireworms), Borers, Corn Rootworm and Cutworms.
100% Pesticide free. This extended, slow-release control is a safe alternative to chemicals, harmless to wildlife, pets, and humans, will not washaway. Safe to use on edible crops.
Simply flip open the cap, shake the pearls into the infested areas, and spray with water. No need to keep in a refrigerator, with 6 months shelf live. Treats up to 20sq m/215sq ft.
Treat as needed or every 1 - 2 weeks when temperature reaches 8°C.
NemaKnightsTM is based on encapsulated Nematodes steinernema feltiae
• Ideal for vine weevil control in pots and gardens
• Spot treat chafer grub damage in lawns
• Extended slow-release control of larval soil pests
Delivered from April 2024
How to use:
Simply open easy flip lid and shake the pearls around infested plants infested plants. Spray with water.
Treat as needed or every 1-2 weeks.
Use for spot treatment or mix into soil.
When to use:
Once soil is above 8°C, throughout the growing season April to October, whenever pests are visible and feeding. The best time is in the early morning or evening because the nematodes are sensitive to ultraviolet rays.
For vine weevil larvae treat when they are re active are in April-end of June and Late July to October.
Nematodes are microscopic naturally occurring soil organisms in the worm family (insect parasitic) which seek out larval stage of soil insects & in the case of slugs infect all stages of the insect. Once a nematode infects a bug, the bacteria released can kill the host in 24-48 hours. Nematodes will survive in the soil as long as there are insects to reproduce in.
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NemaKnights Nematodes All Purpose Biological Chafer Grub and Vine Weevil Control
NemaKnights Nematodes All Purpose Biological Chafer Grub and Vine Weevil Control From Mr Fothergill's Seeds and Plants is 100% natural solution. It is safe for children, pets and wildlife.
Delivery & Returns
All of us at Mr Fothergill’s genuinely care for our customers and insist that the quality of all our seeds, plants, garden equipment and level of customer service are of the highest standards – we want you to enjoy shopping with us. However, we are only human and very occasionally things can go wrong with the picking or delivery process. Please rest assured that, on the rare occasions where this proves to be the case, we will always do our very best to put things right.
Returns Policy
Seeds If you have any concerns or problems with your seeds, please return the packet to us for replacement using the returns address label on your despatch note, telling us what the problem is. Returning the packet will enable us to trace the batch from which it was packed, and to thoroughly investigate any quality control issues.
Returns Policy
All other products Should you have any problems with live product or garden equipment items, please contact our Customer Services Team advising the nature of your concern before returning the product.
Return Postage
Costs If a product we have supplied is defective, damaged, or incorrectly supplied, we will be happy to resolve this issue at no cost, either by replacing, refunding or collecting and exchanging the item. If you wish to return a product which was correctly supplied, but which did not meet with your expectations, in accordance with your rights under The Consumer Contracts (Information, Cancellation and Additional Charges) Regulations, we may require you to cover the cost of return. Please contact our Customer Services Team before returning the goods in this case, who will confirm the correct return address and method of return.
Refund Payments
Once a returned item arrives with us, we will refund where appropriate using the same payment method used at the time of ordering, within 14 days.


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Should any plants arrive in poor condition or if you have seed that suffers from poor germination, we will happily arrange a refund or replacement.
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