Kelp

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Kelp
Kelp Plant.gif

Transparency

Yes

Luminance

No

Blast resistance

?

Tool

Any tool

Renewable

Yes

Stackable

Yes (64)

Flammable

No

Drops

Itself

Name

See Data Values

Jasper Boerstra Twitter avatar.jpg Kelp is the first plant to utilise a new kind of visual feature: Animation. Before, the only things that [were] animated were either particles or the lava/water and some other solid blocks. But we never animated a plant that used transparency.

This was a new challenge for the style of Minecraft - as it has never been done before, we had no frame of reference to adapt the animation style to - so we had to find it.
Jasper Boerstra[1]

Kelp is a non-solid plant block that generates in all oceans. It has an item form that can be smelted to dried kelp, a food item which in turn can be crafted into dried kelp blocks, a furnace fuel and building block.

Obtaining[edit]

Kelp can be mined with any tool or without a tool. Breaking one part of a kelp stalk will destroy all kelp blocks above it. Each block has an undetermined chance to drop a kelp item.

Natural generation[edit]

Kelp naturally generates in any ocean biomes except warm ocean, near and around seagrass.

Growth Mechanics[edit]

Kelp can be planted on a broad variety of blocks, but it will only grow underwater if it has either a source block of water or flowing water above it. In case that there is flowing water above it, the kelp plant will transform the flowing water into a water source block when it 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.

Kelp, when planted, is generated with a randomly chosen age value, which can be checked when pressing F3. The age value of a newly planted kelp plant varies randomly between 0 and 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 will stop 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).

Interestingly, when breaking the very top of an age 25 kelp plant the kelp plant block underneath it will have its age randomized again to a value between 0 and 24 and continue to grow until it reaches age 25 again. It is possible to use this mechanic to cultivate a kelp plant to further increase its growth height beyond its natural maximum height of 26 blocks. This can be done by breaking the very top 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 sky limit.

Derived from tests, rough estimates about the growth rate of a kelp plant suggest that every time it receives a block update (about once per minute) a kelp plant has a probability of 10% to grow.

Usage[edit]

Kelp can be placed underwater by hand, or anywhere by the use of commands such as /setblock. Placing it by hand will give it a random age value between 0 and 19. Kelp can only be placed in water source blocks, not flowing water.

Besides for decoration, kelp can be used to turn flowing water into water source blocks, which can be useful for faster bubble elevator creation.

Smelting ingredient[edit]

Name Ingredients Smelting recipe
Dried Kelp Kelp +
Any fuel









Data values[edit]

ID[edit]

Java Edition:

Block ID Name Item Form

Kelp
kelp Yes

Kelp Plant
kelp_plant No

Bedrock Edition:

Block ID Name Numeral ID

Kelp
kelp  ?

Block state[edit]

See also: Block states


minecraft:kelp

Name Value Description

 age
0–25 A freshly-planted kelp – and a kelp which has just grown kelp above it – each have a random age between 0 and 19.
The age is incremented at random intervals.
At age 25, a kelp may try to grow more kelp above it.

History[edit]

Classic
May 21, 2009 Notch shows interest in adding a "seaweed" block.
Official release
November 18, 2017 Kelp plants were shown in a clip of MineCon Earth.
1.13 18w07a
Kelp Top Revision 1.png Added kelp.
18w07b Kelp 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.
18w10a Kelp Top Revision 2.png The top texture for kelp was overhauled.
18w14a Kelp Top.png Shifted the kelp textures slightly downwards.
The generation rules for kelp have been changed, it will now mainly generate in cold ocean biomes and can no longer generate in warm oceans.
18w20a Changed the "kelp_top" ID to "kelp", and "kelp" to "kelp_plant", for both the block and item forms.
pre2 Now destroyed by sponges.[2]
pre6 Added 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.
Bedrock Edition
1.4 beta 1.2.14.2
Added kelp.
beta 1.2.20.1
Changed the kelp item texture to the Java Edition's.
1.5 beta 1.5.0.4 Updated the texture of the top of kelp plant.
Legacy Console Edition
TU69 1.76 Patch 38
Added kelp.

Issues[edit]

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

Trivia[edit]

  • In real life, kelp isn't considered a plant, but rather an algae.

Gallery[edit]

References[edit]

  1. "How We Ruin-ed Minecraft" – Minecraft.net, March 5, 2018
  2. MC-127111
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