Weed Weapon Preventer is a Selective Pre-emergent Herbicide used on broad spectrum Annual Weed control in container grown Woody Ornamentals, commonly used in Nurseries and Home Gardens.
Active Ingredient:
Contains 20g/kg Oxadiazon .
What This Product Is:
It does NOT kill existing Weeds — it stops new ones from germinating.
What It’s Used For:
– Around Ornamental Trees & Shrubs.
– Garden Beds, Bark, Gravel, Paving.
– Driveways, Paths, Fence Lines, Industrial Areas.
– It forms a chemical barrier in the soil that prevents weed seeds emerging.
How long it lasts:
– Up to 3 months weed prevention.
– Reapply after ~3 months or when weeds reappear.
Application Instructions:
– Apply to bare soil only (remove existing weeds first).
– Spread 20 g per m² evenly.
– Water in or apply before rain (≥10 mm) to activate.
– Coverage 20 kg treats ~1000 m².
Important Restrictions:
– Not for lawns.
– Not around Seedlings or Creeping Plants.
– Avoid areas where soil will be disturbed (breaks the barrier).
– Wait 90 days before replanting sensitive plants.
Safety Hazards:
May Cause:
– Long-term health effects (liver damage risk).
– Possible cancer / reproductive harm.
– Avoid inhaling dust or skin contact.
Wear:
– Gloves.
– Eye protection.
– Respirator recommended.
Environmental Risks:
– Very toxic to aquatic life.
– Harmful to soil organisms.
– Do NOT apply near waterways or where runoff can occur.
– Safe for children & pets once watered in and dry.
Key Takeaway:
This product is best described as a long-lasting Weed prevention barrier, not a Weed killer.
– Also controls Oxalis.
Use It When:
– You’ve already cleared Weeds.
– You want to stop regrowth for a few months.
Avoid It If:
– You need to kill established Weeds.
– You’re planting soon or working the soil.
Caution:
Must be used strictly according to label directions.
Available in a 20L Bucket.
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