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Spirit weed seed

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Not to be confused with spirit seed.
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.

A nearby gardener will not watch over your growing spirit weed.

Growing the herb Edit

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 Edit

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 -386 coins.

Herb yield Profit/loss (Grimy) Profit/loss (Clean) Herb yield Profit/loss (Grimy) Profit/loss (Clean)
1 546 644 7 6,138 6,824
2 1,478 1,674 8 7,070 7,854
3 2,410 2,704 9 8,002 8,884
4 3,342 3,734 10 8,934 9,914
5 4,274 4,764 11 9,866 10,944
6 5,206 5,794 12 10,798 11,974

Note: Supercompost yields a minimum of 5 herbs.

Growth behavior Edit

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

Dropping monsters Edit

Monster Combat level Quantity Rarity
Ice Warrior571Uncommon
Mutated jadinko baby901Uncommon
Moss Giant40; 74; 841Uncommon
Chaos Elemental3051–3Uncommon
Ankou75; 82; 861Rare
Jungle Strykewyrm1101Rare
Chaos dwogre1171Rare
Fungal Magi1201Rare
Ogre53; 58; 631Rare
Vampyre (monster)61; 721Rare
Ice Strykewyrm2101Rare
Skeletal Wyvern1401Very rare
Mountain Troll691Very rare


  • 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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