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Pop Green are the seeds of hostile plants found in the forest of "Greenstone" on Boin Archipelago. They can grow from seeds to full-sized plants in moments.[2]


Heracles used these seeds as bullets, weapons, and tools. According to him, they have various uses, and he taught Usopp how they work.[1]


Pop Greens are seeds with instant growth capabilities, being able to sprout into full grown plants in a matter of moments. Presumably native to the Greenstone forest in the Boin Archipelago, they have been effectively weaponized by Heracles (who is shown simply throwing them) and Usopp (who fires them using Kuro Kabuto). How they are triggered is currently unknown, but different seeds are known to act on different stimuli.

Some grow upon impact, others grow in the presence of an oncoming target, while others are capable of growing in mid-air. These seeds also have varying ranges and effects, even those not normally attributed to plants, such as one capable of piercing opponents, another being able to explode, while another is shown to release a shock wave. Each type of seed also has a different color scheme, which the user can use to tell what each one is capable of.

When Usopp upgraded Nami's Sorcery Clima-Tact, he added the growth abilities of the Pop Green in as well, where similar to his Kuro Kabuto, he gave Nami the ability to extend the size of her new staff.[3]

Usopp's AttacksEdit

Further information: Usopp's Arsenal/Kuro Kabuto

After two years of training with Heracles, Usopp gained mastery of the Pop Green as a new type of powerful weapon. According to Heracles, these seeds have various uses, especially in combat. It should be noted that the names given are not confirmed to be the plants actual name, rather the name Usopp has given to each attack.

Midori devil
Midori Boshi: Devil.
Usopp green star
Midori Boshi: Sargasso.
Midori Boshi: Rafflesia.
Bamboo javelin
Midori Boshi: Take Javelin.
Skull Exploding Grass
Midori Boshi: Dokuro Bakuhatsu So.
Midoriboshi Humandrake
Midori Boshi: Humandrake.
Midoriboshi Trampolia
Midori Boshi: Trampolia.
Midoriboshi Impact Wolf
Midori Boshi: Impact Wolf.
Boaty Banana
Midori Boshi: Boaty Banana.
Uchiwa Grass
Midori Boshi: Uchiwa Grass.
Matured Black Kabuto
Grow Up Kuro Kabuto:Bakun So.
Super Grow Up Kuro Kabuto
Super Grow Up Kuro Kabuto.
Platanus Shuriken
Platanus Shuriken
Midori Boshi Sea Devil
Midori Boshi: Sea Devil
Yabusame Devil
Yabusame Devil.


  • In SBS Volume 68, it was explained how Usopp has a flowerbed called "Usopp Garden" on the Thousand Sunny where he mass produces the Pop Greens so that he will never run out of them. This was also shown in Film Z, where he sprays insecticide on the flower bed.
Usopp's Garden of Pop Greens
Usopp Garden where he mass produces his pop greens.
Pop Green Flower
The Pop Green flower seen in Film Z.


  1. 1.0 1.1 One Piece Manga — Vol. 61 Chapter 596, the Pop Green's first appearance.
  2. One Piece Manga — Vol. 61 Chapter 598, Usopp uses Pop Greens for his Midori Boshi: Devil.
  3. One Piece Manga — Vol. 82 Chapter 822, Usopp explains to Nami how to use the New Clima-Tact.

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Boin Archipelago
Inhabitants: Heracles  •  Usopp 
Weapon Based: Pop Green  •  Usopp's Arsenal
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Story Arcs: Amazon Lily Arc  •  Post-War Arc
Cover Stories: Straw Hat's Separation Serial
Other: Stomach Baron
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Plants and Fungi
Plants: Thousand-Year Trees   •  Daft Green  •  Giant Jack  •  IQ  •  Kona Tree  •  Lily Carnation   •  Mescal Cactus  •  Pop Green  •  Sakura  •  Stomach Baron (Boin Archipelago)  •  Sunlight Tree Eve  •  Treasure Tree Adam  •  Tree of Knowledge  •  Weather Ball  •  Yarukiman Mangrove (Sabaody Archipelago)  •  Kuuigosu  •  Elegant Sunflower  •  Mosa Mosa no Mi 
Fungi: Amiudake  •  Body Mushroom  •  Noko Noko no Mi 
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Straw Hat Pirates
Crew: Monkey D. Luffy  •  Roronoa Zoro  •  Nami  •  Usopp  •  Sanji  •  Tony Tony Chopper  •  Nico Robin  •  Franky  •  Brook  •  Jinbe
Ships: Going Merry   •  Thousand Sunny
Vehicles: Shiro Mokuba I  •  Mini Merry II  •  Shark Submerge III  •  Kurosai FR-U IV  •  Brachio Tank V  •  Franky Shogun  •  Shimashima Shopping   •  Karasumaru   •  Taru Tiger   •  Rocket Man   •  Märchen   •  Tarumanma    •  Ma Ikkada  
Devil Fruit Based: Gomu Gomu no Mi (Main Techniques  •  Gear Second  •  Gear Third  •  Gear Fourth)  •  Hito Hito no Mi  •  Hana Hana no Mi  •  Yomi Yomi no Mi
Fighting Style Based: Haki (Kenbunshoku  •  Busoshoku  •  Haoshoku)  •  Black Leg Style (Diable Jambe)  •  Mutoryu  •  Fish-Man Karate (Fish-Man Jujutsu)
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