nema-green - Chafer Grub Nematodes
nema-green - Chafer Grub Nematodes
- Produced fresh for your order each week
- Safe to use around children and pets
- No chemicals, just mix with water and apply
- Expert advice from a real person
Not sure it's the right one? WhatsApp us a photo and we'll tell you.
Heterorhabditis bacteriophora
Chafer Grub Nematodes
Lawn lifting like a carpet, or crows, magpies and badgers tearing up the turf? That's chafer grubs feeding on the roots. nema-green nematodes seek out the C-shaped white grubs in the soil and stop them naturally. Safe to use around children, pets and wildlife.
- Targets: garden chafer, Welsh chafer, June beetle and cockchafer grubs
- Rate: 0.5 million per m², so 10 million covers 20 m², 25 million covers 50 m² and 50 million covers 100 m²
- When: garden chafer mid-July to September, when the soil is above 12°C
- How: water the lawn first, mix the pack with water and apply with a watering can or sprayer in the evening or on a dull day, then keep the soil moist for two weeks
- Storage: keep in the fridge at 2–8°C and use before the date on the pack
- No chemical residues
- Safe around people and pets
- A targeted effect
- Found naturally in soil
- Works differently from sprays
At a glance
Key facts
- Targets
- Garden chafer, Welsh chafer, June beetle and cockchafer grubs
- Nematode
- Heterorhabditis bacteriophora
- Rate
- 0.5 million per m². A 50 million pack treats 100 m²
- Best time
- Mid-July to September
- Soil temperature
- Above 12°C
Not sure it's chafer grubs? See the signs, photos and best time to treat →
How to apply
Four simple steps
- Keep it coldPut the pack in the fridge (2–8°C) as soon as it arrives.
- Water the area firstApply in the evening or on a dull day, onto moist soil or compost.
- Mix and applyStir the pack into a watering can or sprayer and apply evenly, stirring as you go. Remove any fine filters first.
- Keep it moistWater again afterwards and keep the soil moist for about two weeks.
Questions
Frequently asked questions
How do I know I have chafer grubs?
Turf that lifts like a carpet, and badgers, foxes or crows digging up the lawn. Cut out a square of turf and look for fat, C-shaped, creamy-white grubs with a brown head and six legs.
How much do I need for my lawn?
Use 0.5 million per m². Use the lawn calculator below to work out the right packs for your lawn size.
It is past September. Is it too late?
Treatment works best while the young grubs feed near the surface in late summer. Contact us with your lawn size and we will tell you whether it is still worth treating this year.
When will my order arrive?
Order by 10:00 on Wednesday and it is produced fresh and delivered by tracked courier the following Wednesday or Thursday. Days can change around bank holidays in Ireland and Germany. See ordering and delivery.
How should I store it?
Put the pack in the fridge (2–8°C) as soon as it arrives and use it before the date on the pack. Do not freeze it.
Is it safe for children, pets and the environment?
Yes. The nematodes target insect pests in the soil and are safe to use around children, pets and wildlife.
Does it leave any residue?
Nematodes are living organisms, not chemicals, so there are no chemical residues on your lawn, plants, fruit or vegetables.
Lawn calculator
How many nematodes does your lawn need?
Enter the size of your lawn and we'll work out the right pack for the pest you're treating.
Recommended packs
We round up to whole packs so every part of the lawn gets a full dose.