Pothos vs String of Hearts

Side-by-side comparison.

PothosString of Hearts
DifficultyBeginnerBeginner
LightBright indirect light, tolerates low lightBright indirect light
WaterWhen top 1-2 inches dry, typically every 1-2 weeksAllow soil to dry completely between waterings, about every 1-2 weeks
HumidityAverage (40-60%)40-50%
Mature sizeUp to 10 ft (3 m) indoors, often pruned shorter2-4 ft indoors
Pet-safe?Toxic to cats & dogsToxic to cats & dogs