Trees

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Trees preview.png

Trees are a type of plant, acting as one of the most common type of fauna in RimWorld. They can either be native to the Biome or planted by the player in a growing zone. They are vulnerable to fire and leave behind burnt trees when burnt. Cutting them down yields wood, a resource to craft weapons, make furniture, feed the wood-fired generator, and more. While in real life Cacti and Bamboo technically aren't trees, in RimWorld they are included in this category.

  • Teak, Cecropia, Palm and Bamboo are native to Tropical biomes.
  • Oak and Poplar are native to temperate biomes.
  • Cacti and Poplar are native to Arid biomes (only Cacti in Extreme Desert). Cacti are unique in that they have a fertility sensitivity of 0% and minimum fertility of 5%.
  • Birch and Pine are native to colder biomes (barring Ice Sheet and Sea Ice).
  • Cocoa is not native to any biome.

Ecosystem

Trees are natural food sources for Dendrovores like Alphabeavers and Thrumbos.

Farming

This image shows how forbidding floor placement stops incorrect placing of trees. Form a similar pattern in a growing zone and marvel at the sudden lack of stupidity in your colonists.

Trees that are native to your colony's biome may be planted once tree sowing has been researched by growers with a Plants skill of 6+. However, growing Cocoa trees requires further research and may be planted by growers with a Plants skill of 8+. Trees are different from other crops in that they require at least a one tile distance from other crops as well as each other, including wild trees. Farmers will automatically cut wild trees for this. Native trees are immune to blight, but cocoa trees are not.

Trees may not be grown under roofs. This means that trees may not be grown in completely closed greenhouses. They may only be grown in greenhouses with roofs open in a grid pattern, that leak a lot of temperature-controlled air.

Un-managed colonist have a very annoying habit of planting trees in very inefficient patterns, drastically and unnecessarily reducing yield. However, there are ways to stop this without constant micromanagement. Methods include:

  • Make a pattern of 1 tile grow zones, which then all can be selected with a doubleclick and easily managed
  • Forbidding building (typically flooring, but any will work) (see image, right)
  • Pave walkways, which makes designating 1 tile grow zones easier and helps with cleanliness and walk speed
  • Build a roof with 1 tile holes on top of nearby columns or walls

Temperature

Trees are able to grow in the temperature range 0 °C – 58 °C (32 °F – 136.4 °F). If the ambient temperature drops below freezing, trees will cease to grow until they return to their comfortable range again (including Pine trees that are native to cold biomes). Some trees will instantaneously shed all of their leaves at -2 °C (28.4 °F), while sturdier specimens will hold out until -10 °C (14 °F).[Which trees?] This range differs from tree to individual tree. If the temperature remains at a comfortable level for at least a day, their leaves will magically reappear.

Harvest

At 40% growth, it is possible to obtain 50% of their yield. Cacti can be cut at 20%. Note that the Growth Time in the below table assumes 24hr growth. Trees don't grow between 19h and 6h. Note that environmental factors such as temperature and light levels further negatively influence growth speed.

Cover

Trees can be used for cover in combat. Most trees provide 25% cover, except:

Comparison table

Note that while the Burned tree, Bonsai treeContent added by the Ideology DLC, Cocoa tree, and Gauranlen treeContent added by the Ideology DLC, are listed below as not native to a number of biomes, they can all be sown or created in all biomes except Sea Ice. Bonsai trees can be sown in any biome via the use of a bonsai pot.Content added by the Ideology DLC

Also note that Fibercorn is not a tree, but is provided for comparison as another wood producer.

Tree Grow Days Real Grow Days Product Harvest Yield Product per Day[A] Fertility Sensitivity Product per Work TF TS TrR TrS AS D ED BF CB T IC SI
Anima tree Anima tree Content added by the Royalty DLC 25 46.15 Wood Wood 25 0.54 0 - Check.png Check.png Check.png Check.png Check.png Check.png Ex.png Check.png Check.png Check.png Ex.png Ex.png
Bamboo tree Bamboo tree 12 22.15 Wood Wood 10 0.45 0.5 0.0022 Ex.png Ex.png Check.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Birch tree Birch tree 20 36.92 Wood Wood 27 0.73 0.5 0.0056 Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Check.png Ex.png Check.png Ex.png Ex.png
Bonsai tree Bonsai treeContent added by the Ideology DLC 1.5 2.77 Wood Wood 2 0.72 0.5 0.0013 Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Burned tree Burned tree 30 55.38 Wood Wood 4 0.07 0 - Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Cecropia tree Cecropia tree 14 25.85 Wood Wood 18 0.7 0.5 0.0039 Ex.png Ex.png Check.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Cocoa tree Cocoa tree 16 29.54 Chocolate Chocolate 20 0.68 0.5 0.0045 Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Cypress tree Cypress tree 35 64.61 Wood Wood 60 0.93 0.5 0.0103 Ex.png Check.png Ex.png Check.png Ex.png Ex.png Ex.png Ex.png Check.png Ex.png Ex.png Ex.png
Drago tree Drago tree 15 27.69 Wood Wood 25 0.9 0.5 0.0053 Ex.png Ex.png Ex.png Ex.png Check.png Check.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Fibercorn FibercornContent added by the Ideology DLC 6 11.08 Wood Wood 2 0.18 0.1 0.0043 Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Gauranlen tree Gauranlen treeContent added by the Ideology DLC 10 18.46 Wood Wood 35 1.9 0 - Check.png Check.png Check.png Check.png Check.png Check.png Check.png Check.png Check.png Check.png Ex.png Ex.png
Maple tree Maple tree 27 49.85 Wood Wood 27 0.54 0.5 0.0056 Ex.png Check.png Ex.png Check.png Ex.png Ex.png Ex.png Ex.png Check.png Ex.png Ex.png Ex.png
Oak tree Oak tree 30 55.38 Wood Wood 46 0.83 0.5 0.0085 Check.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Palm tree Palm tree 14 25.85 Wood Wood 18 0.7 0.5 0.0039 Ex.png Ex.png Check.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Pine tree Pine tree 20 36.92 Wood Wood 27 0.73 0.5 0.0056 Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Check.png Ex.png Check.png Ex.png Ex.png
Poplar tree Poplar tree 15.05 27.78 Wood Wood 27 0.97 0.5 0.0056 Check.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Check.png Ex.png Ex.png Ex.png Ex.png
Saguaro cactus Saguaro cactus 5 9.23 Wood Wood 15 1.63 0 0.0035 Ex.png Ex.png Ex.png Ex.png Check.png Check.png Check.png Ex.png Ex.png Ex.png Ex.png Ex.png
Teak tree Teak tree 32.5 60 Wood Wood 60 1 0.5 0.0103 Ex.png Ex.png Check.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png Ex.png
Timbershroom TimbershroomContent added by the Ideology DLC 20 36.92 Wood Wood 25 0.68 0.5 0.0052 Check.png Check.png Check.png Check.png Check.png Check.png Check.png Check.png Check.png Check.png Ex.png Ex.png
Willow tree Willow tree 13 24 Wood Wood 27 1.13 0.5 0.0056 Ex.png Check.png Ex.png Check.png Ex.png Ex.png Ex.png Ex.png Check.png Ex.png Ex.png Ex.png
^A Product per Day is calculated as Harvest Yield divided by Real Grow Days, and assumes 100% soil fertility
^B Unlike most tree and tree equivalents, this plant can be grown in hydroponics. This means Product/Day may not be directly comparable depending on where the item is planted.

Version history

  • 0.10.785 - No longer sowable. Change reverted in A10B of same update. A10C increase sowing time.
  • Beta 19/ 1.0 - Trees’ color now depends on the current season. Sowing trees now takes 8x longer. Can now only sow trees which grow naturally in the local biome, including saguaro cactus. Reduced all tree-type plant’s max hit points by to 66% of old values.