Long life slug nematodes provide a slow release biological treatment designed to control slugs in garden soil. Each application delivers beneficial nematodes gradually, helping reduce slug activity around plants, borders, raised beds and containers... Long life slug nematodes for garden slug control These nematodes are contained within small hydrogel pearls that release gradually when watered. As the pearls break down, nematodes move through the soil to locate slugs, helping reduce feeding damage on plants. Slow release nematode pearls for longer coverage The slow release format allows nematodes to be delivered over time rather than all at once. This helps maintain activity in the soil for longer periods within each application cycle, supporting ongoing slug control in treated areas. How often to reapply long life slug nematodes Like all slug nematodes, reapplication is needed to maintain control. Reapply every 6 weeks during the active season for continued protection. The benefit of the long life format is that you can buy in advance and store the product until you are ready to apply, giving you more flexibility over your treatment schedule. How to apply long life slug nematodes Apply at approximately 15g per square metre, around one and a half teaspoons. Sprinkle evenly over moist soil and water thoroughly after application to activate the nematodes. Ensure even coverage across the treatment area. When to use slug nematodes in the UK Apply during the evening or in overcast or rainy conditions to support nematode activity. Soil temperature must be at least 5°C. Keep soil moist for 3 to 4 weeks after application. Use between March–April and September–October. Coverage and pack size details This pack treats up to 20m² and weighs approximately 280g. The product can be applied in stages if required, allowing flexible use across different garden areas. Contains 15 million / Phasmarhabditis californica. Storage and shelf life of nematodes Store in the original breathable packaging in a cool place. Do not place in airtight containers. Keep away from direct sunlight and heat. The expiry date on the pack tells you how long the product can be stored before use. No need for refrigeration. (Current batch expires 10/10/2026) Frequently Asked Questions Why are they called "long life"?The name refers to the extended shelf life of the product. Standard nematodes must be used soon after purchase, while long life nematodes can be stored and used flexibly any time before the expiry date. You do not have to use them all at once. This makes them ideal if you want to buy ahead of time or apply in stages. Once applied, they work in the same way as standard nematodes and should be reapplied every 6 weeks or as needed for ongoing slug control. Do I still need to reapply?Yes. The long life format gives you more flexibility over when you apply, but each application works in the same way as a standard nematode treatment. How do long life slug nematodes work?They are released gradually from hydrogel pearls and move through moist soil to locate and target slugs. How much area does this pack cover?One pack treats up to 20m² when applied at the recommended rate. When is the best time to apply?Apply in the evening or during damp, overcast conditions when soil temperatures are above 5°C. How long should soil stay moist after application?Keep soil moist for at least 3 to 4 weeks to support nematode activity. Can this be used in stages?Yes, the product can be applied in smaller amounts across different areas as needed, provided it is used before the expiry date on the pack.