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PvZ2
Stunion
Stunion2
Stunions breathe a stunning cloud of gas on nearby zombies in the lane.
Almanac statistics
Sun cost 25
Recharge Sluggish
Range Close
Usage Single use, activates when zombie is close
Special Stuns nearby zombies
Rarity (China) Uncommon
In-game statistics
Weakness Mechanical zombies
Unlocked Frostbite Caves - Day 19
Unlocked (China) Collect 10 Stunion Puzzle Pieces
Costumes
Stunion2 Costume1
Oh sure, everyone knows Stunion as the battle-hardened warrior with the potent breath. But he's so much more than that. He's an accomplished pianist. He speaks five languages fluently. Heck, he's the leader of a Cub Shallots group in his spare time. Dude's got layers. Go on, peel 'em back. You'll see.
Stunion2

Stunion is the fourth plant obtained in Frostbite Caves in Plants vs. Zombies 2. It is a single-use plant and when zombies get close to it, it releases a cloud of gas in a 1x2 area in front of itself, similar to the one emitted from a zombie defeated by Chili Bean, stunning the affected zombies for 12 seconds. The gas cloud does not affect mechanical enemies, except for Zombie Bulls, Gargantuar Primes, Treasure Yetis, and Bug Bot Imps.

Origins

Stunion is based on the plant Allium cepa, also known as the common onion in Modern English. It is usually used as an ingredient in cooking, thanks to its distinctively pungent taste and aroma. Its name is a portmanteau of "stun," an act of driving someone into an unconscious or semi-conscious state, and "onion," the plant it is based on.

Almanac entry

Stunion

SUN COST: 25
RECHARGE: Sluggish

TOUGHNESS: Typical
RANGE: Close

Stunions breathe a stunning cloud of gas on nearby zombies in the lane.

Usage: single use, activates when zombie is close Special: stuns nearby zombies
Oh sure, everyone knows Stunion as the battle-hardened warrior with the potent breath. But he's so much more than that. He's an accomplished pianist. He speaks five languages fluently. Heck, he's the leader of a Cub Shallots group in his spare time. Dude's got layers. Go on, peel 'em back. You'll see.


Upgrades

StunionPlantFood

Stunion releasing a burst of gas to the zombies

Plant Food effect

When fed Plant Food, Stunion will release a burst of gas in a 4x3 area in front of him, stunning all zombies in the said space for 18 seconds.

Costumed (China only)

Stunion now releases a burst of purple gas in a 5x3 area in front of him, stunning affected zombies for twice as long.

Level upgrade

Level Seed Packets Coins Upgrades
Sun Cost Recharge
(Sluggish)
Starting
Recharge
Toughness
(Typical)
Special
(Poison)*
Range
1 0 0 25 20 seconds 15 seconds 3 bites N/A Close
2 10 1,000 25 19 seconds 14 seconds 3.5 bites
3 75 5,000 25 18 seconds 13 seconds 4 bites
4 200 10,000 25 17 seconds 12 seconds 4.5 bites
5 400 20,000 25 16 seconds 11 seconds 5.5 bites 1.25 nds
6 750 30,000 25 15 seconds 10 seconds 6 bites 1.5 nds
7 1,000 40,000 25 14 seconds 9 seconds 6.5 bites 1.75 nds
8 1,000 50,000 0 14 seconds 9 seconds 7 bites 2 nds
9 1,500 60,000 0 13 seconds 8 seconds 8 bites 2.25 nds
10 3,000 75,000 0 12 seconds 7 seconds 9 bites 2.5 nds

*After reaching Level 5, Stunion will gain the ability to poison the zombies it stunned. This column will show the damage-per-second the effect deals on the affected zombies.

Level upgrade (China only)

Level Upgrades Description
LevelIcon2New Stunion Upgrade 1
Paralyzing Gas
Zombies are stunned for longer.
CombatTrainingIcon
Combat Training
Stunion gains 50% more attack power and health (150% of initial).
LevelIcon3New Stunion Upgrade 2
Strong Paralysis
The stun is now doubled.
CellActivationIcon
Cell Activation
Stunion gains another 50% more attack power and health (200% of initial).
LevelIcon4New AbilityAwakendIcon
Ability Awaken
Stunion may be boosted when planted.
FightingPowerIcon
Fighting Power
Stunion gains another 50% more attack power and health (250% of initial).


Strategies

Compared to Iceberg Lettuce, Stunion can stun all zombies in its area of effect instead of just one target. The stunning effect is not nullified by fire-based plants and also works in Frostbite Caves, where Iceberg Lettuce can only slow instead of stop enemies. However, Stunion does not work on mechs and costs more sun than Iceberg Lettuce. In most cases, though, its slightly bigger price will not matter. On the other hand, its Plant Food effect is significantly worse—while Iceberg Lettuce's plant food ability affects the entire screen, Stunion's plant food ability only affects a limited area.

Stunion is a good choice against Chicken Wrangler Zombie and Weasel Hoarder, as it can stun them and prevent them from releasing chickens or weasels, even when they are defeated.

In Dark Ages, Stunion can be used to prevent Jester Zombie from reflecting projectiles. However, the same is not true for Parasol Zombie and Excavator Zombie in Lost City, as they can neutralize projectiles even when stunned. If using Stunion against MC Zom-B during rap, make sure to plant it on the square that MC Zom-B is on or the one in front, otherwise MC Zom-B can kill it with its microphone which has longer effective range.

Stunion should not be used in tandem with Primal Peashooter, as the latter's knockback will remove the stun effect, rendering Stunion useless. Iceberg Lettuce should be used in this situation instead, since its freezing effect is not interfered by Primal Peashooter.

Stunion also works well with Primal Potato Mine since he stops the zombies whilst the Primal Potato Mine arms, creating a cheaper Cherry Bomb.

At Level 5 and above, Stunion gains an armor-piercing poison effect akin to Shadow-shroom on stunned zombies and thus can be used more offensively against weaker zombies and headwear zombies. A single use can defeat Chicken Wranglers and Weasel Hoarders without releasing their animals due to the stun, and also kills headwear zombies in one use.

Gallery

Plants vs. Zombies Wiki has a gallery for Stunion.
Stunion2
Visit this page to see it.
Stunion2

Trivia

  • It can stun flying zombies, unlike Iceberg Lettuce and Chili Bean.
  • When it disappears, it makes the same sound as Puff-shroom when dying.
  • If it stuns a zombie and that zombie dies before the effect is gone, the zombie's body will just remain there, standing still until the stun effect ends and the body collapses. The gas cannot be seen.
  • At maximum level, Stunion can poison zombies like Shadow-shroom in addition to stunning zombies.
  • If a stunned zombie is pushed back by Hurrikale and lands up on a slider tile, it will remain there until the gas disappears.
  • Its tongue is green, as seen whenever it opens its mouth to stun zombies.
  • It and Chili Bean both use the same gas to stun zombies. They are also the only plants able to do so.
    • Apple Mortar can also stun zombies, but for a very brief period of time.
  • For a brief moment after stunning, it can be shovelled for sun.
    • This is similar to Ghost Pepper, which can be shovelled for sun briefly after exploding.
    • This is also similar to Grimrose, which can be shoveled up before expiring.

See also

V · T · E
Plants
Plants vs. Zombies 2
Player's House Peashooter · Sunflower · Wall-nut · Potato Mine
Ancient Egypt Cabbage-pult · Bloomerang · Iceberg Lettuce · Grave Buster · Bonk Choy · Repeater · Twin Sunflower
Pirate Seas Kernel-pult · Snapdragon · Spikeweed · Spring Bean · Coconut Cannon · Threepeater · Spikerock · Cherry Bomb
Wild West Split Pea · Chili Bean · Pea Pod · Lightning Reed · Melon-pult · Tall-nut · Winter Melon
Frostbite Caves Hot Potato · Pepper-pult · Chard Guard · Stunion · Rotobaga
Lost City Red Stinger · A.K.E.E. · Endurian · Stallia · Gold Leaf
Far Future Laser Bean · Blover · Citron · E.M.Peach · Infi-nut · Magnifying Grass · Tile Turnip
Dark Ages Sun-shroom · Puff-shroom · Fume-shroom · Sun Bean · Magnet-shroom
Neon Mixtape Tour Phat Beet · Celery Stalker · Thyme Warp · Garlic · Spore-shroom · Intensive Carrot
Jurassic Marsh Primal Peashooter · Primal Wall-nut · Perfume-shroom · Primal Sunflower · Primal Potato Mine
Big Wave Beach Lily Pad · Tangle Kelp · Bowling Bulb · Guacodile · Banana Launcher
Modern Day Moonflower · Nightshade · Shadow-shroom · Dusk Lobber · Grimrose
Epic Quests Gold Bloom · Electric Currant · Aloe
Premium
Money Snow Pea · Power Lily · Torchwood · Imitater · Starfruit · Chomper · Sap-fling · Dandelion · Toadstool · Strawburst · Cactus · Electric Blueberry · Jack O' Lantern · Grapeshot · Cold Snapdragon · Blooming Heart · Escape Root · Wasabi Whip · Explode-O-Nut · Kiwibeast · Bombegranate · Apple Mortar · Witch Hazel · Parsnip · Missile Toe · Hot Date · Caulipower · Electric Peashooter
Gems Squash · Jalapeno · Hypno-shroom · Pea-nut · Ghost Pepper · Homing Thistle · Sweet Potato · Hurrikale · Fire Peashooter · Lava Guava · Shrinking Violet
Others Marigold