Grimy spirit weed

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Grimy spirit weed detail.png

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. Single noted herbs are dropped by black demons, mutated jadinko babies, guards, and males. Larger quantities of noted spirit weed are dropped by devil's snares. 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 361 coins per herb.

Farming[edit | edit source]

Grimy spirit weed can be harvested from spirit weed plants grown within an herb patch. A fully grown spirit weed will yield a minimum of three grimy spirit weed at harvest. Each grimy spirit weed, when picked, gives 36 Farming experience.

Harvest yields for spirit weed plants are determined by a "harvest lives" system. Each spirit weed plant begins with 3 lives. Additional lives are added with the use of compost (+1 life), supercompost (+2 lives) and ultracompost (+3 lives). Every harvest action will roll a chance out of 255 on the specific patch's "Chance to Save", taking one of the harvest lives from the patch if it does not hit; the patch will be cleared when it runs out of lives. The "Chance to Save" is dependent on the player's Farming level.

Patch locations[edit | edit source]

Patch Location Amount Requirements
Herb patch South of Falador 1 None
Herb patch West of Port Phasmatys 1 None
Herb patch North of Catherby 1 None
Herb patch North of Ardougne 1 None
Herb patch North of Wilderness Volcano 1 None
Herb patch Roof of Troll Stronghold 1 My Arm's Big Adventure
Herb patch Crwys district of Prifddinas 1 Plague's End

Products[edit | edit source]

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Drop sources[edit | edit source]

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For an exhaustive list of all known sources for this item, see here (include RDT).

Disassembly[edit | edit source]

Money making[edit | edit source]

Farming spirit weed
Profit Time Effective Profit Skill requirements Other requirements Experience
1,367,554.99 5 16,411,000

36 Farming
81 Archaeology recommended

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.
** 81 ArchaeologyPharm Ecology archaeology relic will make a player's herb patches and mushroom patches free from being diseased
1,483 Farming


Update history[edit | edit source]

The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
  • patch 4 December 2012 (Update):
    • Cleaning grimy spirit weeds no longer opens the interface for cleaning fellstalk.

Trivia[edit | edit source]

  • 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.