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Kelp

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Kelp
Kelp JE3 BE2.gif
Renewable

Yes

Stackable

Yes (64)

Tool

Any tool

Blast resistance

0

Hardness

0

Luminant

No

Transparent

Yes

Flammable

No

Catches fire from lava

No

Kelp is an underwater plant that generates in most oceans.

Occurrence[edit]

Natural generation[edit]

Kelp naturally generates in any ocean biomes, except in frozen, deep frozen, warm, and deep warm oceans, near and around seagrass. Each chunk has 118 chance to generate a group of kelp.

Obtaining[edit]

Breaking[edit]

Kelp can be mined instantly with any tool or with the player's fist. Breaking one part of a kelp stalk destroys all kelp blocks above it. Each block drops a kelp item.

From trading[edit]

Kelp can be bought from wandering traders for 3 emeralds.

Usage[edit]

Kelp can be placed underwater by hand, or anywhere by the use of commands such as /setblock. Placing it by hand gives it a random age value between 0 and 24. Kelp can be placed only in water source blocks or downward-flowing water, not horizontally flowing water.

When placed in downward-flowing water, the flowing water transforms into a water source block, which can be useful for faster bubble column elevator creation.

Any building block can be placed on top of a kelp plant, which is useful for building structures over a deep ocean without needing to build from the ocean floor.

Cooking ingredient[edit]

Name Ingredients Smelting recipe
Dried Kelp Kelp +
Any fuel


0.1

Composting[edit]

Placing kelp into a composter has a 30% chance of raising the compost level by 1.

Growth mechanics[edit]

Kelp can be planted on a broad variety of blocks. It grows underwater if it has either a source block of water or flowing water above it. If flowing water is above it, the kelp plant transforms the flowing water into a water source block when the plant grows into it. Neither players nor dispensers can remove the water source block a kelp grows in without breaking the kelp first.

Kelp can grow in complete darkness and does not require any light level to grow. Kelp also grows without having sky access. Bone meal can be used to grow kelp by 1 block on each use.

Kelp, when planted, is generated with a randomly chosen age value, which can be checked when pressing F3[Java Edition only]. The age value of a newly planted kelp plant varies randomly from 0 to 24. Each time the kelp grows in height by one block, the newly generated top of the kelp plant increases its age by 1. When the top block of the kelp plant reaches an age of 25, it stops growing. This means that kelp can naturally grow to a height between 2 (if the first kelp plant had an age of 24) and 26 blocks (if the first kelp plant had an age of 0).

When a kelp plant block is broken, the age of the kelp plant block underneath is randomized to a value from 0 to 24 and the kelp continues growing until it reaches age 25. It is possible to use this mechanic to cultivate a kelp plant to increase its growth height beyond its natural maximum height of 26 blocks. This can be done by breaking the top-most block of the kelp plant each time it reaches age 25. A kelp plant cultivated by a player in this way repeatedly grows until it reaches the water surface.

Each time it receives a random tick, kelp has a 14% chance of growing.

Farming[edit]

Kelp farming is similar to farming sugar cane, although kelp must be placed underwater. Automation of harvest is easier because items float up in water.

Sounds[edit]

Java Edition:

SoundSubtitleSourceDescriptionNamespaced IDTranslation keyVolumePitchAttenuation
distance
Sound parameters
VolumePitchAttenuation
distance
StreamPreload
Block brokenBlocksBreaking the blockblock.wet_grass.breaksubtitles.block.generic.break1.00.816?????
None[sound 1]BlocksFalling on the block with fall damageblock.wet_grass.fallNone[sound 1]0.50.7516?????
Block breakingBlocksMining the blockblock.wet_grass.hitsubtitles.block.generic.hit0.250.516?????
Block placedBlocksPlacing the blockblock.wet_grass.placesubtitles.block.generic.place1.00.816?????
FootstepsBlocksWalking on the blockblock.wet_grass.stepsubtitles.block.generic.footsteps0.151.016?????
  1. a b MC-177082

Bedrock Edition: [needs in-game testing]

SoundDescriptionNamespaced IDVolumePitchSound parameters
VolumePitchStreamLoad
on low
memory
?Breaking the block?? 0.8????
?Falling on the block with fall damage?? ? ????
?Mining the block?? 0.5????
?Jumping from the block?? ? ????
?Falling on the block without fall damage?? ? ????
?Walking on the block?? ? ????
?Placing the block?? 0.8????

Data values[edit]

ID[edit]

Java Edition:

NameNamespaced IDItem form?Translation key
Kelpkelp Yesblock.minecraft.kelp
Kelp Plantkelp_plant Noblock.minecraft.kelp_plant

Bedrock Edition:

KelpNamespaced IDNumeric ID Translation key
Itemkelp 335item.kelp.name
Blockkelp 393tile.kelp.name

Block states[edit]

Java Edition:
Top

Name Default value Allowed values Description
age00
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
A freshly-planted kelp starts with a random age between 0 and 24.
Below age 25, a kelp may try go grow more kelp above it with the same age value incremented by one.
Kelp stops growing at age 25.

Bedrock Edition:

Name Default value Allowed values Description
age00
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
The age of the kelp. The kelp renders as a non-top piece if there's simple other kelp above it.

History[edit]

Information icon.svg
This page would benefit from the addition of isometric renders.
Please remove this notice once you've added suitable isometric renders to the article.
The specific instructions are: To match other Minecon annoucement features: a Minecon Earth gif of kelp.
Java Edition Classic
May 21, 2009Notch shows interest in adding a "seaweed" block.
November 18, 2017Kelp plants were shown in a clip of MineCon Earth.
Java Edition
1.1318w07aKelp JE1 BE1.gif Kelp (item) JE1 BE2.png Added kelp.
18w07bKelp now behaves more like water, meaning mobs can no longer spawn within the plant under water nor can they replenish their breath by swimming through it.
18w10aKelp JE2.gif The texture for kelp has been overhauled.
18w14aKelp JE3 BE2.gif Top of the kelp textures have been shifted slightly downward.
The generation rules for kelp have been changed, it now mainly generates in cold ocean biomes and can no longer generate in warm oceans.
18w20aThe "kelp_top" has been changed ID to "kelp" and "kelp" has been changed to "kelp_plant", for both the block and item forms.
pre2Kelp is now destroyed by sponges.[1]
pre6Added 5 new sound events that apply to kelp: block.wet_grass.break, block.wet_grass.fall, block.wet_grass.hit, block.wet_grass.place, and block.wet_grass.step.
1.1419w03aPlacing kelp into the new composter has a 10% chance of raising the compost level by 1.
19w05aKelp now has a 30% chance of increasing the compost level in a composter by 1.
1.1620w11aKelp can now be grown with bone meal.
Bedrock Edition
1.4.0beta 1.2.14.2Kelp JE1 BE1.gif Kelp (item) BE1.png Added kelp.
beta 1.2.20.1Kelp (item) JE1 BE2.png The kelp item texture has been updated to the Java Edition's.
1.5.0beta 1.5.0.4Kelp JE3 BE2.gif The texture of the kelp plant has been updated.
1.10.0beta 1.10.0.3Kelp can now be bought from wandering traders for 3 emeralds.
1.11.0beta 1.11.0.1Kelp can now be used to fill composters.
Legacy Console Edition
TU69 1.76 Patch 38Kelp JE3 BE2.gif Kelp (item) JE1 BE2.png Added kelp.

Issues[edit]

Issues relating to "Kelp" are maintained on the bug tracker. Report issues there.

Trivia[edit]

  • In real life, kelp is not considered a plant, but rather algae.

Gallery[edit]

References[edit]