Heartleaf Philodendron

Philodendron Cordatum aka Sweetheart Philodendron

Heartleaf Philodendron Quick Overview

Full Size4 foot
LightMedium to bright indirect
HumidityLow to medium indirect
Care LevelEasy


When kept indoors with proper care you can expect your Heartleaf Philodendron to reach 4 foot or more in length.

Light Requirements

Heartleaf Philodendron prefer to be positioned in medium to bright indirect light for best growth and require this to thrive. A sign your Heartleaf Philodendron is not getting enough light is small leaves or long gaps between the leaves. This can be resolved by changing the position of your plant to somewhere that better suits its light requirements.


Heartleaf Philodendron will perform best when in an area which maintains a temperature of 65 to 80˚F (18 to 26˚C). Being kept outside of this temperate range for prolonged periods of time can lead to poor plant health.


Maintaining a low to medium humidity will assist in keeping your Heartleaf Philodendron happy and healthy. A higher humidity will help encourage the plant to grow larger leaves. If your plant is housed in a spot with a humidity level consistently outside of this range see our tips on how to increase or decrease humidity levels.

Watering Requirements

You can expect your Heartleaf Philodendron to require water when the top 50% of soil is dry. When watering your Heartleaf Philodendron be sure to water thoroughly allowing water to drain completely.

Aside from solely relying on the watering frequency to tell when your plant is thirsty, a tell tale sign that your Heartleaf Philodendron needs water is wilting or browning of the leaves. While yellowing leaves indicate that the plant is getting too much water.

Fertilizing requirements

As a rule of thumb your Heartleaf Philodendron should be fertilized every month during spring and summer. This will assist in keeping your plant alive as well as promote healthy growth.

Soil Requirements

Heartleaf Philodendron requires an aerated, well draining soil.

Diseases & Pests

The most common diseases and pests that you can encounter whilst caring for your Heartleaf Philodendron are spider mites, mealybugs and scale insects. Diseases you could encounter include root rot (the most common), fungal and bacterial leaf spots and dasheen mosaic virus.


Heartleaf Philodendron are considered to be toxic if eaten.