Editing Trees

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{{for|a humorous rendition of this page|Trees/Humor}}
Trees are a type of plant. 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 [[Dendrovore]]s like [[Alphabeaver]]s and [[Thrumbo]]s.

== Farming ==
[[File:Correct_tree_farming.png|thumb|right|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 [[Research#Tree sowing|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.

Colonist have a very annoying habit of planting trees in very inefficient patterns, drastically reducing yield unnecessarily. However, there is a way to stop this without constant micromanagement (see image). Other methods include:
* Forbiding building (see image)
* Make a pattern of 1 tile grow zones, which all can be selected with doubleclick and easily managed
* Build a roof with 1 tile holes on top of several columns
* Pave walkways, which makes designating 1 tile grow zones easier and helps with filth/walk speed

== Temperature ==

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, while sturdier specimens will hold out until -10°C. 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:
* [[Burned tree]]s only provide 20% cover
* [[Saguaro cactus|Saguaro cacti]] provide 35% cover
<!--Properties--> {{#set:Cover Effectiveness=0.25}}
== Comparison table ==
{| {{STDT| sortable c_14 text-center}}
! Tree !! Grow Days !! Real Grow Days !! Harvest Yield !! Wood per Day* !! Fertility Sensitivity
|-
| [[Oak tree]] || {{Q|Oak tree|Grow Days}} || {{Q|Oak tree|Real Grow Days}} || {{Q|Oak tree|Harvest Yield}} || {{#expr: {{Q|Oak tree|Harvest Yield}}/{{Q|Oak tree|Real Grow Days}} round 2}} || {{Q|Oak tree|Fertility Sensitivity}}
|-
| [[Cypress tree]] || {{Q|Cypress tree|Grow Days}} || {{Q|Cypress tree|Real Grow Days}} || {{Q|Cypress tree|Harvest Yield}}  || {{#expr: {{Q|Cypress tree|Harvest Yield}}/{{Q|Cypress tree|Real Grow Days}} round 2}} || {{Q|Cypress tree|Fertility Sensitivity}}
|-
| [[Maple tree]] || {{Q|Maple tree|Grow Days}} || {{Q|Maple tree|Real Grow Days}} || {{Q|Maple tree|Harvest Yield}} || {{#expr: {{Q|Maple tree|Harvest Yield}}/{{Q|Maple tree|Real Grow Days}} round 2}} || {{Q|Maple tree|Fertility Sensitivity}}
|-
| [[Drago tree]] || {{Q|Drago tree|Grow Days}} || {{Q|Drago tree|Real Grow Days}} || {{Q|Drago tree|Harvest Yield}} || {{#expr: {{Q|Drago tree|Harvest Yield}}/{{Q|Drago tree|Real Grow Days}} round 2}} || {{Q|Drago tree|Fertility Sensitivity}}
|-
| [[Saguaro cactus]] || {{Q|Saguaro cactus|Grow Days}} || {{Q|Saguaro cactus|Real Grow Days}} || {{Q|Saguaro cactus|Harvest Yield}} || {{#expr: {{Q|Saguaro cactus|Harvest Yield}}/{{Q|Saguaro cactus|Real Grow Days}} round 2}} || {{Q|Saguaro cactus|Fertility Sensitivity}}
|-
| [[Poplar tree]] || {{Q|Poplar tree|Grow Days}} || {{Q|Poplar tree|Real Grow Days}} || {{Q|Poplar tree|Harvest Yield}} || {{#expr: {{Q|Poplar tree|Harvest Yield}}/{{Q|Poplar tree|Real Grow Days}} round 2}} || {{Q|Poplar tree|Fertility Sensitivity}}
|-
| [[Pine tree]] || {{Q|Pine tree|Grow Days}} || {{Q|Pine tree|Real Grow Days}} || {{Q|Pine tree|Harvest Yield}} || {{#expr: {{Q|Pine tree|Harvest Yield}}/{{Q|Pine tree|Real Grow Days}} round 2}} || {{Q|Pine tree|Fertility Sensitivity}}
|-
| [[Birch tree]] || {{Q|Birch tree|Grow Days}} || {{Q|Birch tree|Real Grow Days}} || {{Q|Birch tree|Harvest Yield}} || {{#expr: {{Q|Birch tree|Harvest Yield}}/{{Q|Birch tree|Real Grow Days}} round 2}} || {{Q|Birch tree|Fertility Sensitivity}}
|-
| [[Teak tree]] || {{Q|Teak tree|Grow Days}} || {{Q|Teak tree|Real Grow Days}} || {{Q|Teak tree|Harvest Yield}} || {{#expr: {{Q|Teak tree|Harvest Yield}}/{{Q|Teak tree|Real Grow Days}} round 2}} || {{Q|Teak tree|Fertility Sensitivity}}
|-
| [[Palm tree]] || {{Q|Palm tree|Grow Days}} || {{Q|Palm tree|Real Grow Days}} || {{Q|Palm tree|Harvest Yield}} || {{#expr: {{Q|Palm tree|Harvest Yield}}/{{Q|Palm tree|Real Grow Days}} round 2}} || {{Q|Palm tree|Fertility Sensitivity}}
|-
| [[Bamboo tree]] || {{Q|Bamboo tree|Grow Days}} || {{Q|Bamboo tree|Real Grow Days}} || {{Q|Bamboo tree|Harvest Yield}} || {{#expr: {{Q|Bamboo tree|Harvest Yield}}/{{Q|Bamboo tree|Real Grow Days}} round 2}} || {{Q|Bamboo tree|Fertility Sensitivity}}
|-
| [[Cecropia tree]] || {{Q|Cecropia tree|Grow Days}} || {{Q|Cecropia tree|Real Grow Days}} || {{Q|Cecropia tree|Harvest Yield}} || {{#expr: {{Q|Cecropia tree|Harvest Yield}}/{{Q|Cecropia tree|Real Grow Days}} round 2}} || {{Q|Cecropia tree|Fertility Sensitivity}}
|-
| [[Willow tree]] || {{Q|Willow tree|Grow Days}} || {{Q|Willow tree|Real Grow Days}} || {{Q|Willow tree|Harvest Yield}} || {{#expr: {{Q|Willow tree|Harvest Yield}}/{{Q|Willow tree|Real Grow Days}} round 2}} || {{Q|Willow tree|Fertility Sensitivity}}
|}
<i>*Wood per Day is calculated as Harvest Yield divided by Real Grow Days.</i>

== Version History ==
* [[Version/0.10.785|0.10.785]] - No longer sowable. Change reverted in A10B of same update. A10C increase sowing time.

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[[Category:Plants]]