• Need a gift for the green gardener in your life? Instead of socks, why not surprise them with a Giftbox? CLICK HERE
  • Christmas Deliveries - To ensure delivery before Christmas, please place any orders by 9.00am on Weds 18th December
  • Solitary Bee Houses as featured on Gardeners World are the easy way to attract Solitary BeesCLICK HERE
  • Use Sb Invigorator NATURAL Spray to control pests in unheated greenhouses / conservatories during the winter CLICK HERE
  • For the greenhouse - Use Garlic Candles and Citrox Natural Disinfectant to clear your greenhouse of pests - CLICK HERE
  • Plastic-free seed sowing - Replace plastic pots with Coir Pellets, Coir Pots or soil blocks made with our Soil Block Maker CLICK HERE
   

Nematode Controls

All these nematode controls contain naturally occurring and environmentally friendly nematodes that are easy to use, effective and are safe for children, pets, wildlife, birds and bees. As the biggest supplier of nematodes in the UK and because we have fresh deliveries of nematodes each week, you are guaranteed the freshest stock with the longest expiry date available. Our nematodes are dispatched DAILY by 1st class post.

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  1. Nematode Applicator
    £37.50

    Nematode Applicator Nematodes are supplied as a powder, which is mixed with water and applied directly to the soil with a watering can, hose-end feeder, nematode applicator or sprayer. This Nematode Applicator has been specifically designed to apply nematodes to LARGER areas, so if you have an area over 200 sqm or are using nematodes regularly, then this applicator is ideal. Simply attach to your hose-pipe via a standard hose-pipe connector, add the nematodes and water over the area to be treated - the nematodes will be dispersed at the correct rate. Full instructions are included and it can also be used to apply plant food etc..

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  2. Hose-end Feeder
    £14.99

    Hose-end Feeder Nematodes are supplied as a powder, which is mixed with water and applied directly to the soil with a watering can, hose-end feeder, nematode applicator or sprayer. The Hose-end Feeder makes applying nematodes to larger areas much easier.  It attaches via standard hose-pipe connector - simply add the nematodes to the feeder bowl and water for 8 minutes - during this time the nematodes will be dispersed at the correct rate. This feeder can also be used for applying liquid feed to plants and lawns. We supply the Miracle Gro Hose-end Feeder as not all of them are suitable for applying nematodes.

    N.B. Need to apply nematoes to an even larger area? Also available are the Nematode Applicator and the 5L Rechargeable Sprayer for easy application to even larger areas.

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  3. Nematodes for Box Tree Caterpillars

    To control Box Tree Caterpillar spray with Nemasys Fruit and Vegetable Protection NematodesTo protect your box plants / trees from Box Tree Caterpillars, spray with Nemasys® Fruit and Vegetable Protection Nematodes when the caterpillars are spotted and the DAYTIME temp is 12c. We supply 3 packs, which are applied 3 times at 7 day intervals. Nemasys® F&V works at temperatures above 12°C/40°F, so apply during the growing season i.e. between March and October. Nemasys® F&V TRIPLE Pack - 3 Packs sent together for controlling caterpillars. Nemasys® F&V is a living, perishable product (it will keep for 2 weeks in the fridge), so order when you are ready to apply and the caterpillars are present. Each pack treats 60 sqm.

    N.B. Need a Sprayer? Add one to your basket and save £3.50 off a Solo Sprayer or save £3.99 off a Rechargeable 5 Litre Sprayer when bought with your nematodes (savings applied at the checkout).

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  4. Solo Sprayer
    £24.50

    The Solo Sprayer has an adjustable nozzle making it ideal for applying natural sprays such as winter wash, garlic wonder and sulphur rose. It is also ideally suited for applying Biodegradable Weed Killer and for applying nematodes (Nemasys Fruit & Vegetable Protection) to control caterpillars such as Box Tree Moth Caterpillars. 2 Litre capacity.

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  5. Wireworm Nematodes

    Wireworm are the larvae of the common click beetle. They attack crops such as potatoes, carrots and other root crops. Control wireworms by applying Wireworm Nematodes when the soil temp is 12°C /54°F and the pest is present i.e. normally May to Sept. Our Wireworm Nematodes (Heterorhabditis bacteriophora) are effective at controlling wireworms and are safe to use on food crops and are safe for children, pets and wildlife. Wireworm Nematodes are a perishable product it will keep for 2 weeks in the fridge, so order when you are ready to apply. Wireworm Nematodes treat 100sqm.

    N.B. Need a Haws Rose, Hose-end Feeder or Nematode Applicator - Add one to your basket and save £1.00 off a Haws Rose, save £2.00 off a Hose-end Feeder or save £3.50 off a Nematode Applicator when bought with your nematodes (savings applied at the checkout).

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  6. Scale Emergency Pest Pack
    £30.49

    Use our Scale Emergency Pest Pack if your plants are heavily infested with scale insect. Spray with SB Invigorator 1st to kill as many of the scale insects as possible and then spray with Scale Nematodes to complete the treatment. The Scale Emergency Pest Pack consists of 250ml of SB Invigorator Spray Concentrate (makes 25 litres of spray for use in your own sprayer) and is sent 1st followed by a course of 3 introductions of Scale Nematodes. The 1st lot of Scale Nematodes will be sent 7 days after the SB Invigorator. Scale Nematodes are a perishable product (it will keep for 2 weeks in the fridge), so order when the pest is present and you are ready to treat. 

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  7. Nemasys F&V Programmes from
    £32.94

    Nemasys® Fruit and Vegetable Protection Programmes - For the best results apply Nemasys® F&V regularly every 2 weeks. Nemasys® F&V is a perishable product, so our unique planned programme is designed to make your life easier and keep your vegetables and fruit pest free and SAVE money too! Each delivery consists of 2 packs of Nemasys F&V, which are applied at 14 day intervals giving 1 months control. Nemasys® F&V needs a soil temperature of 10c and is a perishable product (it will keep for 2 weeks in the fridge), so order when you are ready to start applying or simply select your chosen dispatch date below. Each pack treats 60 sqm and choose between a 3, 4, 5 or 6 pack programme. Available NOW.

    N.B. Need a Haws Rose, Hose-end Feeder or Nematode Applicator - Add one to your basket and save £1.00 off a Haws Rose, save £2.00 off a Hose-end Feeder or save £3.50 off a Nematode Applicator when bought with your nematodes (savings applied at the checkout).

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  8. Nemasys Fruit and Veg Protection - TRIPLE Pack for Caterpillars

    Spray with Nemasys Fruit and Vegetable Protection to control caterpillars including Box Tree Caterpillars, Codling Moth and Gooseberry Sawfly. Nemasys® F&V works at temperatures above 12°C/40°F, so apply UNDERGLASS all year round or apply OUTDOORS during the growing season i.e. between March and October. Nemasys® F&V is a perishable product (it will keep for 2 weeks in the fridge), so order when caterpillars are spotted and you are ready to apply. Nemasys® F&V TRIPLE Pack - 3 Packs sent together for controlling caterpillars, sawfly and codling moth each pack treats 60 sqm.

    N.B. Need a Sprayer? Add one to your basket and save £3.50 off a Solo Sprayer or save £3.99 off a Rechargeable 5 Litre Sprayer when bought with your nematodes (savings applied at the checkout).

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  9. Nemasys Fruit and Veg Protection - Single Pack

    Nemasys® Fruit and Vegetable Protection (F&V) is the green solution for insect pests in your vegetable garden. This unique mix of different nematodes will protect your fruit and veg from the main insect pests including carrot root fly, cabbage root fly, cutworms, onion fly, sciarid fly, caterpillars, gooseberry sawfly, thrips, and codling moth. Nemasys® F&V is safe to use on food crops, is suitable for use on organic crops and it will not harm pets, children, wildlife or bees. Nemasys® F&V works at temperatures above 12°C/40°F, so apply UNDERGLASS all year round or apply OUTDOORS during the growing season i.e. between March and October. It is a perishable product (it will keep for 2 weeks in the fridge), so order when you are ready to applyNemasys® F&V SINGLE Pack (2 weeks control) treats 60 sqm.

    N.B. Need a Haws Rose, Hose-end Feeder or Nematode Applicator - Add one to your basket and save £1.00 off a Haws Rose, save £2.00 off a Hose-end Feeder or save £3.50 off a Nematode Applicator when bought with your nematodes (savings applied at the checkout).

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  10. Chafer Grub Killer Autumn Spring Offer

    Regular Price: £62.00

    Special Price £59.00

    Nemasys® Chafer Grub Killer is normally applied in September, but if you have discovered a severe infestation, then you can treat in the spring as well, but you MUST treat in Sept as well. Order our Autumn / Spring Offer and we will send the 1st pack NOW (or select dispatch date below) with the 2nd pack following in the spring next year i.ew/c 12/04/20 (or email jess@greengardener.co.uk an alternative date and we will organise it) PLUS SAVE MONEY! Nemasys Chafer Grub Killer is available in 100sqm or 500 sqm packs, so choose the size of the Autumn / Spring Offer below. 

    N.B. Need a Haws Rose, Hose-end Feeder or Nematode Applicator - Add one to your basket and save £1.00 off a Haws Rose, save £2.00 off a Hose-end Feeder or save £3.50 off a Nematode Applicator when bought with your nematodes (savings applied at the checkout).

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