Compost

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Compost detail.png

Compost is an item that is used in the Farming skill to reduce the chance of a farming patch becoming diseased per growth stage by 50 %[1]. When used on a farming patch, each bucket grants 18 Farming experience.

In addition, it also increases the minimum yield and maximum number of harvests received from allotments, hops and herbs[2]. This also applies to giant seaweed patches underwater[3] and celastrus bark from a fully grown celastrus seed[4].

Compost can be upgraded into supercompost by using one dose of compost potion on either a bucket of regular compost, or a compost bin filled with regular compost. It can then be upgraded further into ultracompost by using 25 volcanic ash on the bin of supercompost.

Obtaining[edit | edit source]

It can be made by putting weeds, sweetcorn and other farming produce into the compost bin at farming patches. It takes 60 minutes for the bin to make it rot into compost, but when it is finished rotting, the bin fills 15 buckets with compost. Filling a bucket with compost gives 4.5 Farming experience. Compost can also be bought from farming shops, such as those near the cabbage patch south of Falador, and Alice's Farming Shop north-west of Port Phasmatys.

Products[edit | edit source]

ItemSkillsXPMaterials
Forest habitat icon.pngForest habitat
  • 47 Construction
  • 51 Construction
Grassland habitat icon.pngGrassland habitat
  • 37 Construction
  • 37 Construction
Part mud pie (compost).pngPart mud pie (compost)
  • 29 Cooking
  • 0 Cooking
Sulphurous fertiliser.pngSulphurous fertiliser
  • 1 Farming
  • 2 Farming

Uses[edit | edit source]

Three buckets of compost can be used as payment for a farmer to watch over barley seeds as they grow, or two buckets for potato seeds.

Compost is also an ingredient used in creating sulphurous fertiliser, along with saltpetre, to gain Hosidius favour. 5.0% Hosidius favour is required to create sulphurous fertiliser.

Drop sources[edit | edit source]

For an exhaustive list of all known sources for this item, see here (include RDT).
SourceLevelQuantityRarity
Earth impling jar Hunter icon.png(noted)1/10
This content is present in Twisted League. Earth impling36 Hunter icon.png(noted)1/10
This content is present in Twisted League. Gang boss76; 83 Multicombat.png60–80 (noted)Common
This content is present in Twisted League. Gangster45; 50 Multicombat.png45–80 (noted)Common

Store locations[edit | edit source]

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To force an update of this list, click here.
SellerLocationNumber
in stock
Price
sold at
Price
bought at
Members?
Farmer Gricoller's RewardsHosidius1N/AMember icon.png
Vanessa's Farming shop.Catherby500Coins 5.png 20Coins 5.png 14Member icon.png
Richard's Farming shop.Hemenster500Coins 5.png 20Coins 5.png 14Member icon.png
Sarah's Farming shop.Farm south of Falador500Coins 5.png 20Coins 5.png 14Member icon.png
Vannah's Farming StallThis content is present in Twisted League. Hosidius100Coins 5.png 20Coins 5.png 14Member icon.png
Alice's Farming shop.Farm west of Port Phasmatys500Coins 5.png 20Coins 5.png 14Member icon.png
Allanna's Farming ShopThis content is present in Twisted League. Farming Guild100Coins 5.png 20Coins 5.png 12Member icon.png
Branwen's Farming ShopPrifddinas500Coins 5.png 20Coins 5.png 14Member icon.png
Leprechaun Larry's Farming Supplies.Troll Stronghold2Coins 25.png 26Coins 5.png 8Member icon.png
Farming shopsMost farming patchesCoins 25.png 35N/AMember icon.png

Changes[edit | edit source]

Date Changes
10 September 2020
(update)
The Grand Exchange buy limit was changed from 600 to 2,000.

References[edit | edit source]

  1. Jagex. Mod Kieren's Twitter account. 7 September 2017. (Archived from the original on 28 May 2020.) Mod Kieren: "So with the release of Ultracompost I figured I'd explain how compost affects crops dying. Sorry it is very word heavy! Fire any questions:)"
  2. Jagex. Mod Ash's Twitter account. 24 January 2019. (Archived from the original on 28 May 2020.) Mod Ash: "[Flower/berry/cactus patches] don't depend on the compost state. Allotments, hops and herbs do."
  3. Jagex. Mod Ash's Twitter account. 72 July 2018. (Archived from the original on 28 May 2020.) Mod Ash: "[Does compost increase giant seaweed yield?] Yeah."
  4. Jagex. Mod Ash's Twitter account. 24 January 2019. (Archived from the original on 28 May 2020.) Mod Ash: "Yes, celastrus would be helped by composting."