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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 -491 coins.

Herb yield Profit/loss (Grimy) Profit/loss (Clean) Herb yield Profit/loss (Grimy) Profit/loss (Clean)
1 1,405 1,397 7 12,781 12,725
2 3,301 3,285 8 14,677 14,613
3 5,197 5,173 9 16,573 16,501
4 7,093 7,061 10 18,469 18,389
5 8,989 8,949 11 20,365 20,277
6 10,885 10,837 12 22,261 22,165

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 Warrior541Uncommon
Mutated jadinko baby931Uncommon
Moss Giant28; 51; 841Uncommon
Chaos Elemental3051–3Uncommon
Ankou60; 61; 631Rare
Jungle Strykewyrm931Rare
Chaos dwogre921Rare
Fungal Magi811Rare
Ogre53; 58; 631Rare
Vampyre (monster)61; 891Rare
Ice Strykewyrm1061Rare
Skeletal Wyvern1091Very rare
Mountain Troll751Very 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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