Heartleaf Philodendron vs String of Hearts

Side-by-side comparison.

Heartleaf PhilodendronString of Hearts
DifficultyBeginnerBeginner
LightBright indirect light, tolerates low lightBright indirect light
WaterWhen top 2 inches dry, ~weeklyAllow soil to dry completely between waterings, about every 1-2 weeks
Humidity40-60% (tolerant of average home humidity)40-50%
Mature size3-6 ft trailing indoors2-4 ft indoors
Pet-safe?Toxic to cats & dogsToxic to cats & dogs