Long Life Fungus Gnat Nematodes

Long life fungus gnat nematodes are slow release pearls used to target fungus gnat larvae in compost and soil. They help reduce larvae around roots in pots and containers where damp growing media attracts flies.

Suitable for indoor plant owners, greenhouse growers and anyone managing houseplants, seedlings and container plants.

Long life fungus gnat nematodes for larvae in compost

Each pearl contains beneficial nematodes held inside a hydrogel capsule. After watering, the pearls break down and release them into moist compost where larvae are active.

Using fungus gnat nematodes for pots and indoor plants

Apply around plant stems in pots, trays and containers where fungus gnats develop. Suitable for houseplants, greenhouse crops and patio planters.

How to apply long life fungus gnat nematodes to soil

Apply around 5g per plant, roughly half a teaspoon, onto moist soil. Water thoroughly after application and keep compost moist for several weeks.

When to use fungus gnat nematodes in indoor and outdoor areas

Use indoors at any time of year. Outdoors, apply between April and August. Evening or damp conditions help support suitable soil conditions.

Storing long life fungus gnat nematodes before use

Store in the original breathable packaging in a cool place away from heat and sunlight. The product can be used in stages before the expiry date.

Benefits

• Targets fungus gnat larvae in compost and soil
• Slow release pearls support gradual application
• No mixing required before use
• Suitable for indoor and outdoor plant areas
• Can be applied in stages if required

Specifications

• Contains: Steinernema feltiae and Steinernema carpocapsae
• Coverage: up to 20m²
• Plant coverage: approx 50 plants
• Pack weight: approx 280g
• Application rate: approx 5g per plant
• Minimum soil temperature: 5°C
• Storage: cool place in original breathable packaging
• Refrigeration: not required
• Current batch expiry: 03/08/2026
• Sizes: 20m² pack

frequently asked questions

Can fungus gnat nematodes be used on seedlings?

Yes, they can be applied around young plants where larvae may affect early root growth.

Do fungus gnat nematodes work in dry compost?

Moist compost is needed for movement, so water before and after application for best results.

Can fungus gnat nematodes be used with other plant care routines?

They can be used alongside normal watering and feeding schedules as long as soil conditions remain suitable.

Will fungus gnat nematodes affect other insects?

They are designed to target specific larvae in soil and do not affect most other insects.

Can fungus gnat nematodes be applied more than once?

Yes, repeat use can be applied where fungus gnat activity continues in pots or growing areas.