Lunafoli
SPECIMEN NO. 571
Heartleaf Philodendron — Philodendron hederaceum
Native toMexico to Tropical America
Low light

Heartleaf Philodendron

Philodendron hederaceum

Also known as: Sweetheart Vine, Philodendron Scandens, Parlor Ivy

A fast-growing trailing vine with glossy, heart-shaped green leaves, prized as one of the easiest and most forgiving houseplants for shelves, hanging baskets, or climbing supports.

Low lightPet cautionBeginner-friendlyhangingTrailingToxic to petsToxic to humans
7–10dwatering range
low to bright indirectlight needs
18–30°Ctemperature

Watering amount

How much water does my Heartleaf Philodendron need?

120 ml

per watering session

small-medium pot — Medium pot (10-20cm), medium indirect light, spring/summer active growth

Estimated guideline, not a precise measurement — scale up for larger pots, brighter light, or active growth; scale down for smaller pots, lower light, or winter dormancy. Always water until it drains from the pot's base rather than measuring exactly. Use soil moisture and plant condition as the primary guide; the ml value is only a rough estimate.

Watering guide

Season note

Water freely during active growth in spring/summer; reduce frequency in winter but don't let it dry out completely.

Overwatering signs

Yellowing leaves, dark leaf spots, root rot

Underwatering signs

Drooping, curling, or crisp leaves

Light & placement

Light level

low to bright indirect

Best rooms

Care details

Soil

Any well-draining houseplant mix

Humidity

Enjoys higher humidity (50%+) but tolerates average room humidity

Fertilizer

Balanced liquid fertilizer monthly during growing season

Temperature range

18°C – 30°C

Plant care guide

Philodendron hederaceum, the heartleaf philodendron, is native from Mexico through tropical America, including much of Central America, the Caribbean, and northern South America, where it grows as a climbing vine in the humid, shaded forest understorey. The genus Philodendron was first formally described in the early 19th century by German botanist Heinrich Wilhelm Schott, and the name itself comes from the Greek words "philo," meaning love, and "dendron," meaning tree — a reference to the plant's natural climbing habit, in which it attaches itself to tree trunks and uses them as vertical support to reach toward brighter light in the forest canopy. The species epithet "hederaceum" means "ivy-like," describing that same climbing tendency, though heartleaf philodendron isn't related to true ivy at all. It belongs to the arum family, Araceae, putting it in the same broad family as pothos, peace lily, and monstera.

The plant has been cultivated as a houseplant since the early 1800s, not long after Western plant explorers first documented it, making it one of the longest-standing staples of indoor gardening, prized across nearly two centuries for essentially the same reason it remains popular today: its combination of adaptability, low light tolerance, and fast, cascading growth. In the wild, its aerial roots serve the same climbing and nutrient-absorbing function seen in many other tropical aroids, anchoring the vine to tree bark and helping the vine anchor to its host and absorb moisture and nutrients from surfaces around the roots.

Toxicity

Pets: Toxic to pets — keep out of reach
Humans: Toxic to humans if ingested

Contains calcium oxalate crystals; causes oral irritation, drooling, and swelling if chewed by pets or ingested by humans.

See our full guide to houseplants toxic to cats and dogs for pet-safe alternatives.

Frequently asked questions

How often should I water a Heartleaf Philodendron?+

Water when the top 1–2 inches of soil feel dry; indoors this is often around every 7–10 days, but adjust for light, temperature, pot size, and season.

Is Heartleaf Philodendron the same as Pothos?+

No, they look similar but are different genera — Philodendron leaves are typically thinner and heart-shaped with a matte-to-satin finish, while Pothos leaves are thicker and glossier.

Is it toxic to cats and dogs?+

Yes — it's toxic to both pets and humans if chewed or ingested, due to calcium oxalate crystals that cause oral irritation and swelling. Keep it out of reach.

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