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Plant care

Philodendron erubescens (Blushing Philodendron) care

Philodendron erubescens

Also called Blushing Philodendron, Red-Leaf Philodendron.

RHS H1bUSDA 10-12Toxic to petsIndoor Can climb 1.8-3 m or more indoors with support

Watering rhythm

7-10days

When the top 2-3 cm of soil is dry, roughly every 7-10 days

Light

Bright indirect light (just back from a sunny window)

Soil

Loose, well-draining aroid mix

Humidity

50-70%

Temp

18-27°C

Pet safety

Toxic to pets

Mature size

Can climb 1.8-3 m or more indoors with support

Care at a glance

Light

Bright but filtered. Philodendron erubescens burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Bright indirect light gives the biggest leaves and strongest red stem colour. It tolerates medium light with smaller foliage and longer internodes. Avoid direct sun, which fades the reddish blush and scorches the leaf surface. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering philodendron erubescens: when the top 2-3 cm of soil is dry, roughly every 7-10 days. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Keep evenly moist during growth, watering once the top inch dries and letting excess drain. It tolerates short dry spells but resents constant sogginess. Reduce watering in winter as growth slows and the soil dries more slowly.

Soil and pot

Philodendron erubescens grows best in loose, well-draining aroid mix. Use a chunky blend of potting soil, bark, perlite, and coir so roots stay aerated. Heavy, dense soil holds too much water and invites rot. A moss pole helps the climbing stems anchor and mature. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Philodendron erubescens sits happiest at around 50-70% humidity and 18-27°C (65-80°F). Prefers above-average humidity of 50% or more for lush growth and large leaves. It copes with average home humidity but may brown at the edges in dry air. A humidifier or pebble tray keeps it at its best. If you keep the room above 18 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed philodendron erubescens sparingly. Feed every 2-4 weeks in spring and summer with a balanced liquid houseplant fertiliser at half strength; this fast climber is a moderate feeder. Stop in autumn and winter and flush the soil occasionally to prevent salt buildup. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on philodendron erubescens in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Small leaves, long gaps between themToo little light or no support. Provide brighter indirect light and a moss pole to mature the foliage.
  • Yellowing leavesOverwatering or poor drainage. Let the top inch dry between waterings and use a chunky, draining mix.
  • Brown leaf edgesLow humidity. Raise ambient humidity with a pebble tray or humidifier.
  • Faded red stemsInsufficient light. Move to brighter indirect light to restore the reddish blush.

Propagation

Easily propagated from stem cuttings: take a section with one or two nodes and an aerial root, then root in water or moist aroid mix. Roots form within a few weeks. Keep cuttings warm and humid until established, then pot up. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Philodendron erubescens is toxic to pets. ASPCA lists Philodendron as toxic to cats and dogs. Stems, leaves, and sap contain insoluble calcium oxalate crystals causing oral pain, drooling, vomiting, and difficulty swallowing when chewed. Keep this plant away from pets and seek veterinary advice if ingested. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Philodendron erubescens care — frequently asked questions

What is the common name for Philodendron erubescens?

Philodendron erubescens is most commonly called Philodendron erubescens, but it is also known as Blushing Philodendron, Red-Leaf Philodendron. The names refer to the same species, so care instructions for Philodendron erubescens apply identically to anything sold as Blushing Philodendron.

How much light does philodendron erubescens need?

Philodendron erubescens grows best in bright indirect light (just back from a sunny window). Bright indirect light gives the biggest leaves and strongest red stem colour. It tolerates medium light with smaller foliage and longer internodes. Avoid direct sun, which fades the reddish blush and scorches the leaf surface.

How often should I water philodendron erubescens?

Water philodendron erubescens when the top 2-3 cm of soil is dry, roughly every 7-10 days. Keep evenly moist during growth, watering once the top inch dries and letting excess drain. It tolerates short dry spells but resents constant sogginess. Reduce watering in winter as growth slows and the soil dries more slowly. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is philodendron erubescens toxic to cats and dogs?

Philodendron erubescens is toxic to pets. ASPCA lists Philodendron as toxic to cats and dogs. Stems, leaves, and sap contain insoluble calcium oxalate crystals causing oral pain, drooling, vomiting, and difficulty swallowing when chewed. Keep this plant away from pets and seek veterinary advice if ingested.

What USDA hardiness zone does philodendron erubescens grow in?

Philodendron erubescens is rated for USDA zone 10-12 (grown indoors in most US homes) and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Philodendron erubescens deep-dive guides

Every aspect of philodendron erubescens care, each with its own calibrated guide:

Featured in these plant shortlists

Philodendron erubescens qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Philodendron erubescens is also commonly called Blushing Philodendron or Red-Leaf Philodendron.