Sciarid Fly Nematodes (Fungus Gnat) Treats 12 sq.m - Gardening Naturally - Yellow
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Full details
Designed for indoor gardeners, greenhouse enthusiasts, and houseplant owners, these Steinernema feltiae nematodes offer a highly effective, natural biological solution for managing sciarid fly (fungus gnat) larvae. By targeting the soil-borne larvae that damage roots and seedlings, they provide a clean alternative to chemical pesticides, though they require consistent soil moisture and prompt usage upon delivery to remain effective.
All features
| Colour | Yellow |
|---|---|
| Model Part Number | SFLY |
| Brand | Gardening Naturally |
Extended Product Information
FAQs
Are these nematodes harmful to my houseplant?
No, Steinernema feltiae nematodes are completely safe for all soil-based houseplants and seedlings.
Can I use this product in my vegetable garden?
Yes, this product is perfectly safe for use in greenhouses and vegetable gardens for soil-based plants.
How often should I reapply?
If the infestation is heavy, repeat applications may be necessary to break the lifecycle of the gnats.
Does this work on adult fungus gnats?
No, the nematodes only target larvae in the soil. Use yellow sticky traps to manage the adult population.
Do I need to stop watering my plants?
Actually, you must keep the soil moist after application, as dry soil will cause the nematodes to die.
Troubleshooting
Nematodes not reducing gnat population
Ensure soil is kept consistently moist and that you have also added sticky traps to catch flying adults.
Difficulty with application
Use a watering can with a medium-fine rose to ensure even distribution of the nematodes across the soil surface.
Product arrived but cannot be used today
Keep the package in the refrigerator, but do not freeze it; use it as soon as possible for the best results.
Pros and Cons
Pros
- 100% natural and biological pest management
- Completely safe for use around children and household pets
- Does not damage plant roots or beneficial soil life
- Easy to integrate into standard watering routines
- Covers a generous 12 sq.m area per treatment
Cons
- Must be used immediately upon arrival as they are live organisms
- Requires consistently moist soil to survive and function
- Cannot be used in completely dry soil environments
- Does not target flying adult gnats directly
Setup, Compatibility & Care
Before application, ensure your soil is well-moistened, as the nematodes need a damp environment to travel through the soil pores to reach their targets. Prepare the mixture by diluting the nematodes into water according to the instructions on the packaging. Use a watering can to drench the soil thoroughly. After application, keep the soil moist for at least two weeks to allow the population to establish and feed. Avoid using harsh chemical fungicides simultaneously, as these can negatively impact the nematode population. Store the product in a refrigerator if you cannot use it immediately, but aim to apply it as soon as it arrives to maintain maximum vitality.