A grimy spirit weed is a herb that has not yet been cleaned to make a clean spirit weed. Grimy spirit weeds may be grown from a spirit weed seed with a Farming level of 36. It is dropped noted by mutated jadinko babies, guards, and males. Cleaning a grimy spirit weed requires a Herblore level of 35 and gives 7.8 Herblore experience. Clean spirit weeds are used to make summoning potions with a Herblore level of 40.
Cleaning grimy spirit weed yields a profit/loss of 710 coins per herb.
Money making
| Profit | Time | Effective Profit | Skill requirements | Other requirements | Experience |
|---|---|---|---|---|---|
| 616,874.2 | 5 | 7,402,000 | 36 
|
My Arm's Big Adventure strongly recommended Plague's End recommended Wilderness Tasks easy strongly recommended, hard recommended. Any parts of the Farmer's outfit for an experience bonus. Falador shield 2 for an experience boost at the Falador patch. |
1,483
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Trivia
- Grimy spirit weeds are one of the five herbs that cannot be obtained from the Sorceress's Garden minigame.
- Grimy spirit weed is the only herb that is merely darker and does not actually look dirty.
| Normal |
|
| Special |
 Snake weed (Grimy) Ardrigal (Grimy) Sito foil (Grimy) Volencia moss (Grimy) Rogue's purse (Grimy) Goutweed Enriched snapdragon Shadow-infused herb Grimy herb Mysterious herb |
| Dungeoneering |
 Sagewort (Grimy) Valerian (Grimy) Aloe (Grimy) Wormwood leaf (Grimy) Magebane (Grimy) Featherfoil (Grimy) Winter's grip (Grimy) Lycopus (Grimy) Buckthorn (Grimy) Consecrated herb |
| Herblore Habitat |
 Erzille (Grimy) Argway (Grimy) Ugune (Grimy) Shengo (Grimy) Samaden (Grimy) |
| Gielinor Games (discontinued) |
 Blue Gold Black Green Red |
