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  • Sunflower item spriteold Sunflower item sprite
  • Sunflower placed
Stack digit 9.pngStack digit 9.png
Placeable✔️ (2 wide × 4 high)
Use time15 (Very fast)
RarityRarity level: 0
Research5 required
Grants Buff
Buff tooltipMovement speed increased and monster spawns reduced
DurationInfinite while in vicinity

Naturally generated Sunflowers in a Forest.

Sunflowers are large plants which can be found growing naturally on grass, and can be freed with a pickaxe or drill, or by coming into contact with water. They cannot be grown from seeds like most other plants, but are instead placed fully-grown, either naturally upon world generation or by the player. They can also be purchased from the Dryad for 50 each, while a Blood Moon is not occurring.

Sunflowers provide the following functions:

  • The two tiles directly underneath them cannot become Corrupted, Crimsoned, or Hallowed, even in Hardmode. In some cases, this can prevent Corrupted and Crimson grass from spreading sideways.
  • Each Sunflower decreases an area's total Corruption rating by 5 tiles. This rating is used to determine whether NPCs will reject housing. If placed in large quantities, they can allow NPCs to live near tainted blocks. This effect covers a radius of about 25 tiles.
  • They provide the Happy! buff to players within a rectangular area of 170×125[1] (Desktop version) / 100×84 () tiles centered on the Sunflower, which grants a +10% movement speed bonus and 17% reduction in enemy spawn rate.
  • Sunflowers help to prevent Graveyard biomes from forming by canceling out one Tombstone each.

Sunflowers can only be placed on regular, Hallowed, or Jungle grass, at any height. They cannot be placed on Corrupt grass, Crimson grass, bare Dirt Blocks, nor in Clay Pots or Planter Boxes.


  • The Sunflower's Happy! buff stacks with the effect of the Peace Candle, as well as the movement speed buff of Asphalt Blocks.
  • The buff reduces critter spawns, so if the player would like to collect bait, it is wise to remove any nearby Sunflowers.
  • Sunflowers glow in the dark, though they will not light up the surrounding area, only its flower.
  • When placed in a Graveyard biome, Sunflowers do not grant nearby players the Happy! buff.


The sunflower from the release trailer.

The loading icon.

  • In the release trailer for 1.3, a variant of sunflower was shown with a golden interior as opposed to the regular sunflower (some are seen in the beginning of the trailer). It never ended up in the final update and its effects are unknown.
  • Sunflowers' ability to resist Corruption and Crimson may be a reference to their real-world reputation for cleaning up nuclear radiation.[2]
  • A sunflower is used as the loading icon on the Desktop version Desktop, Console version Console, Mobile version Mobile, and Nintendo Switch version Switch versions.
  • The sunflower in the loading icon is very similar to the loading icon of Plants vs. Zombies 2, a marigold that plays a very similar animation.


  • Desktop
    • Sunflowers can now prevent the Graveyard mini-biome from being created.
    • Sunflowers now stop the spread of the Hallow.
    • Area of effect increased.
    • Sprites updated.
  • Mobile Sunflowers now glow at night and grant the player Happy! buff.


  1. Information taken from the Desktop version Desktop source code, method ScanAndExportToMain() in Terraria.SceneMetrics.cs. There may be inaccuracies, as the current Desktop version Desktop version is
  2. U.Va. Undergraduate Researcher Studies Sunflowers’ Power to Clean Up Soil (accessed 05/25/2020)