Calathea vs Cast Iron Plant

Side-by-side comparison.

CalatheaCast Iron Plant
DifficultyIntermediateBeginner
LightBright indirect lightLow to bright indirect light (tolerates low light)
WaterKeep soil consistently moist; water when top inch feels dryWater when top inch of soil is dry, typically every 1-2 weeks
Humidity60% or higher40-50% (average household)
Mature size1-2 ft tall indoors2-3 ft tall indoors
Pet-safe?YesYes (non-toxic to cats and dogs)