Marrentill is used with unicorn horn dust to make anti-poison potions in Herblore. They are also an incense burner to light up in player houses.

Steps

    • South of Falador
    • North of Catherby
    • North of East Ardougue
    • Between Port Phasmatys and Canifis
    • Trollheim (the only disease-free patch, available after the completion of the "My Arm's Big Adventure" quest)
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  1. Allow your character to rake all the weeds out of the patch.
  2. Supercompost achieves a higher successful yield and helps the item from plant disease.
  3. Use the seed from your inventory on the treated patch.
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      Tips

      • None of the herbs can be watched by farmers nor watered during its growth, so absolutely make sure to treat the patch with supercompost prior to planting or use the Fertile Spell for the best results.
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