Trees

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For a humorous rendition of this page, see 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 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:

• Burned trees only provide 20% cover
• Saguaro cacti provide 35% cover

Comparison table

Note that while the Burned tree, Bonsai tree, Cocoa tree, and Gauranlen tree, 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.

Tree	Grow Days	Real Grow Days	Product	Harvest Yield	Product per Day	Fertility Sensitivity	Product per Work	TF	TS	TrR	TrS	AS	D	ED	BF	CB	T	IC	SI
Anima tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Bamboo tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Birch tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Bonsai tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Burned stump	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Cecropia tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Chopped stump	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Cocoa tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Cypress tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Drago tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Gauranlen tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Gray pine tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Harbinger tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Maple tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Oak tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Palm tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Pebble cactus	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Pine tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Polux tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Poplar tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Rat palm tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Saguaro cactus	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Smashed stump	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Teak tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Timbershroom	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Willow tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}
Witchwood tree	{{{?Grow Days}}}	{{{?Real Grow Days}}}	[[{{{?Harvest Product}}}]] (Error: Page does not exist) [[{{{?Harvest Product}}}]]	{{{?Harvest Yield}}}		{{{?Fertility Sensitivity}}}

^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.

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Plants

Domesticated plants

Cocoa tree • Corn plant • Cotton plant • Devilstrand mushroom • Haygrass • Healroot • Hop plant • Potato plant • Psychoid plant • Rice plant • Smokeleaf plant • Strawberry plant • Tinctoria • Fibercorn • Gauranlen pod • Nutrifungus • Toxipotato plant

Decorative plants

Dandelions • Daylily • Rose • Bonsai tree

Wild plants

Agarilux • Agave • Alocasia • Ambrosia bush • Astragalus • Berry bush • Brambles • Bryolux • Bush • Chokevine • Clivia • Giant rafflesia • Glowstool • Grass • Low shrubs • Moss • Pincushion cactus • Tall grass • Wild healroot • Anima grass • Gauranlen moss

Trees

Bamboo tree • Birch tree • Cecropia tree • Cypress tree • Drago tree • Maple tree • Oak tree • Palm tree • Pine tree • Poplar tree • Saguaro cactus • Teak tree • Willow tree • Timbershroom • Gray pine tree • Pebble cactus • Rat palm tree • Witchwood tree

Special

Anima tree • Gauranlen tree • Polux tree • Harbinger tree

Tree stumps

Burned stump • Chopped stump (Gauranlen , Anima , Polux , Harbinger ) • Smashed stump (Gauranlen , Anima , Polux , Harbinger )