Magic
Squalour
A toxic squalid plant that emits a persistent rot aura reducing nearby zombie toughness by 25% and inflicting a decay status that causes zombies to take bonus damage from all sources.
Plant Stats
Sun Cost
150 Sun
Damage
10 per second (rot aura)
Attack Interval
Continuous
Range
3x3 Rot Aura
Target
Ground Zombies
Toughness
700
Recharge
7 Seconds
Best Combo Plants
Details
Passively emits a rot aura in its 3x3 zone dealing 10 DPS and reducing zombie toughness by 25% of maximum (applied once on entry). Also applies decay status increasing all damage received by zombies in the zone by 20% from all sources. Debuffs reset when zombies leave the zone.
Squalour is a debuff-focused plant that reduces all zombies in its 3x3 rot aura by 25% of their maximum toughness and applies decay status that increases all incoming damage by 20%. This makes it a powerful force multiplier for any attack-heavy build. In Survival Mode, one Squalour in the center column reduces the effective toughness of every zombie in a 3x3 area while making them 20% more vulnerable to all damage sources simultaneously. Pair with Lightning Onion for a chain damage plus vulnerability combo that melts even Gargantuar variants quickly. In Endless Mode, Squalour is a cornerstone of support builds that maximize the output of offensive plants through debuff stacking rather than raw damage.
Squalour is most effective against high-toughness zombies whose 25% toughness reduction is the most impactful in absolute HP terms. Gargantuar variants lose the most raw toughness from the reduction while the 20% damage vulnerability compounds with every other attacker.
✓ Strengths
25% toughness reduction is massive for high-HP zombie types
20% damage vulnerability multiplies output from every attacker simultaneously
3x3 aura covers all zombies in a wide zone
150 Sun cost is moderate for a dual debuff support plant
Stacks with all other damage sources for compounded vulnerability effect
✗ Weaknesses
Aerial zombies bypass the rot aura entirely
Debuff-immune zombies negate all zone effects
10 DPS alone cannot kill any zombie without support
Fast zombies minimize zone exposure time reducing debuff duration
Requires surrounding offensive plants to capitalize on the vulnerability window
1
Place in the center column so the 3x3 aura covers all 5 lanes simultaneously
2
Pair with Lightning Onion so chain damage hits vulnerability-boosted zombies for dramatically higher output
3
In Endless Mode, Squalour plus Gloom-shroom creates a 20% damage buff on continuous fume damage for extreme sustained output
4
Use Coldsnap Bean to slow zombies into the rot zone for maximum debuff exposure time
5
Protect with Wall-nut in front so zombies spend the longest possible time in the decay aura before reaching Squalour itself
middle