Nemasys Vine Weevil Killer Simply mix with water and apply with a watering can. The nematodes that they contain are naturally occurring microscopic organisms that seek out and kill the pests. Long-lasting and weather-proof too! Vine Weevil is a nightmare pest whose larvae kill plants by eating their roots, and adults decimate foliage. Apply when the larvae are active: March-May and July-November (whenever the soil temperature is above approximately 5
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