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Not to be confused with spirit seed.
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Spirit weed seed detail

Spirit weed seeds can be planted in a herb patch in order to produce Grimy spirit weed herbs. This requires a Farming level of 36. Spirit weed seeds can be obtained as a monster drop, from Managing Miscellania if your workers are assigned to Farming or cleaning out a bird's nest.

Spirit weed seed
Farming level 36
Patch Herb
Payment N/A
Time 100 minutes (5x20 minutes)
Seeds per 1 seed
Experience
Planting 32
Harvesting 36
Produce
Crop Grimy spirit weed
9,216
Yield[?] Unknown edit

Growing the herb

Planting spirit weed seeds are very profitable, therefore players are advised to make sure that the herb does not die. Supercompost (or Fertile Soil spell) is strongly recommended, as this is the best way of preventing your herbs from getting disease, as it is not possible to water the patch, or ask a farmer to tend the herbs. It takes 80 minutes to fully grow. It is highly recommended to use My Arm's herb patch, because he will protect your herbs from death for free, but you must first complete My Arm's Big Adventure. However, spirit weed takes a long time to sell on Grand Exchange. Therefore, those who want quick money from spirit weeds can make summoning potion to get some quick money. However, this requires 41 Herblore and won't make much money as well as selling the spirit weeds.

Profit

The following table shows the profit yield, assuming all the herbs and seeds are purchased/sold at the Grand Exchange, for the guide price. If the herb dies, you will lose -4,833 coins.

Herb yield Profit/loss (Grimy) Profit/loss (Clean) Herb yield Profit/loss (Grimy) Profit/loss (Clean)
1 4,383 4,593 7 59,679 61,149
2 13,599 14,019 8 68,895 70,575
3 22,815 23,445 9 78,111 80,001
4 32,031 32,871 10 87,327 89,427
5 41,247 42,297 11 96,543 98,853
6 50,463 51,723 12 105,759 108,279

Supercompost yields a minimum of 5 herbs.

Growth behaviour

Stage Description Image
Healthy Spirit weed plant
1 The seed has only just been planted. GreenHerb1
2 The herb is now ankle height. GreenHerb2
3 The herb is now knee height. GreenHerb3
4 The herb is now mid-thigh height. GreenHerb4
5 The herb is fully grown and ready to harvest. GreenHerb5

Disassembly

[FAQ] • [doc]

Drop sources

This list was created dynamically. For help, see the FAQ.
To force an update of this list, click here.
For an exhaustive list of all known sources for this item, see here.
Source Combat level Quantity Rarity
Banshee371Common
Ankou60; 61; 631Rare
Ankou (elite)721Rare
Chaos dwogre92; 981Rare
Cockroach soldier361Rare
Cyclops57; 63; 68; 911Rare
Feral vampyre611Rare
Gnoeals701Rare
Ice strykewyrm1061Rare
Ice troll female681Rare
Ice troll runt531Rare
Jungle strykewyrm931Rare
Mutated jadinko male1001Rare
Mutated zygomite58; 651Rare
Ravenous ghoul1051Rare
Seasinger priestess1191Rare
Skeleton fremennik23; 28; 301Rare
Thrower Troll771Rare
Undead troll77; 81; 86; 951Rare
Vampyre61; 891Rare
Arrg771Uncommon
Chaos Elemental3051–3Uncommon
Dagannoth guardian981Uncommon
Dust devil851Uncommon
Earth warrior781Uncommon
Earth warrior (elite)881Uncommon
Enclave guard811Uncommon
Fungal mage811Uncommon
Ganodermic runt1121Uncommon
Giant ant soldier701Uncommon
Grifolapine1031Uncommon
Grifolaroo1071Uncommon
Hobgoblin28; 30; 32; 35; 911Uncommon
Hobgoblin (elite)411Uncommon
Jelly63; 681Uncommon
Jogre57; 861Uncommon
Mogre541Uncommon
Moss giant28; 51; 611Uncommon
Mountain troll751Uncommon
Mutated jadinko baby931Uncommon
Mutated jadinko guard961Uncommon
Ogre56; 67; 861Uncommon
Rorarius841Uncommon
Sea Snake Young631Uncommon
Skeletal Wyvern1091Uncommon
Tortured soul (Port Phasmatys)531Uncommon
Sea Snake Hatchling631Unknown
Troll spectator651Unknown
Ice giant511Very rare

Trivia

  • Unlike normal seeds which say "___ seed, for planting in a ____ patch" when examined, the spirit weed seed just says "a seed for spirit weed".
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