Does your lawn have yellow patches, bare spots, or is it suddenly growing poorly?

Does your lawn have yellow patches, bare spots, or is it suddenly growing poorly?

Damage to your lawn is rarely a coincidence. Grass that grows poorly, comes loose or turns yellow usually has an underlying cause. On this page, you can see which pest is responsible for which type of damage, and how to get rid of it quickly and without using pesticides.

Yellow or brown patches that are spreading
Bare patches or grass coming loose like a mat
Poor grass growth despite watering and fertilising
Aaltjes Tegen Ongedierte

Recognizing Lawn Pests

Emelten
Emelten
Grubs
Grubs
Ticks & fleas
Ticks & fleas
Worms
Worms
Moles
Moles
Aaltjes Tegen Ongedierte

Frequently asked questions

a. Nematodes are a proven biological method for controlling larvae in the soil. They actively seek out and eliminate the pests without poisons or chemicals.

That depends on the pest. The best time to combat leatherjackets is in autumn, and grubs in spring or autumn. Most nematodes work best at a soil temperature of at least 12 degrees Celsius. Check the current soil temperature via the KNMI.

The first results are often visible within 2 to 4 weeks. The grass then gradually recovers, depending on the extent of the damage.

In case of severe infestation or if the pest returns, a repeat treatment is recommended. An annual preventive treatment keeps your lawn structurally healthy.

fully. Nematodes are naturally present in the soil and pose no risk to humans, animals, or other insects.

That depends on the surface area. On our product page, you'll find exactly how much you need for your situation for each product.