Iron Star
, also known as Steel Star, is an fusion plant.
shoots steel stars that deal 80 damage each and instantly break Type 2 (handheld) armor.
also has 2000 health, takes half damage from cherries, and can be fed metal items to restore 500 Toughness.
Combat Stats
Sun Cost
300 Sun
Damage
80x5
Attack Speed
1.5s
Range
5 directions
Target
Ground, Water Zombies
Toughness
2000
Details
Iron Star costs 300 Sun to plant and stands at 2000 toughness as a dedicated lane blocker. Its primary function is absorbing zombie melee and special attacks before they reach the plants behind it, dealing 80×5 of passive or contact damage in return.
Think of it as a sacrifice piece — its job is to buy time, not to kill. The more waves it survives, the more value it extracts, making any investment in healing or protecting Iron Star a high-return play.
Pros
- Top-tier survivability — 2000 toughness makes it one of the toughest plants per tile in the game.
- Enabler for offense — Its blocking role amplifies every offensive plant placed behind it.
- Universal compatibility — Useful in nearly every level and zombie lineup as a core defensive layer.
Cons
- Negligible kill rate — 80x5 alone rarely eliminates zombies without significant backup.
- Skipped by special zombies — Air, burrow, and vault zombies ignore its blocking.
- Passive by design — Cannot adapt to changing zombie formations; must be pre-positioned correctly.
1
Plant Iron Star at column 3 or 4 for maximum approach-stalling distance while keeping offensive plants safely behind it.
2
Aloe or other healing plants extend Iron Star's effective lifespan significantly — a healed wall plant is exponentially more valuable than a fresh one.
3
Pre-place a replacement Iron Star in your plant selection so you can instantly replant when the first falls.
4
Watch for flying or vaulting zombies and address them with a separate lane-appropriate counter plant.
What kind of fusion is Iron Star?
Iron Star is categorized as a Upgraded fusion in Plants vs Zombies Fusion. Upgraded fusions are refinements of base fusions, delivering better numbers and improved utility for a moderate increase in recipe complexity.
How much does Iron Star cost to plant?
Planting Iron Star requires 300 Sun. To offset this, consider building your sun economy with one or two sun-producing fusions before committing to Iron Star's sun cost.
What zombies does Iron Star target?
Iron Star is effective against Ground, Water Zombies zombies. Knowing this lets you pre-assign it to the lane or row where those zombie types are most frequent for optimal impact.
How does Iron Star compare to other Upgraded fusions?
Among Upgraded fusions, Iron Star distinguishes itself through its 80x5 damage output, 2000 toughness, and over a range of 5 directions attack range. These stats make it one of the sturdiest defensive options in its class, especially when supported by complementary plants.
