Philodendron Imperial Red (Philodendron erubescens 'Imperial Red')

Image: AI generated

Philodendron Imperial Red Plant Care

Philodendron erubescens 'Imperial Red'

Updated · Sources · How we source care data

This plant is known for its stunning large, glossy, heart-shaped leaves that start off a deep red color and gradually turn dark green. Originating from the rainforests of South America, its vibrant foliage makes it a must-have for plant collectors looking to add a pop of color to their indoor jungle.

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Water

Every 7–10 days

Light

Bright indirect

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for Philodendron Imperial Red?

Plant Philodendron Imperial Red in bright indirect light (USDA zones 11b–12b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Philodendron Imperial Red Native To?

Native range13 countries

What Is the Philodendron Imperial Red?

Philodendron Imperial Red (Philodendron erubescens 'Imperial Red') belongs to the Araceae family within the Philodendron genus. Philodendron Imperial Red is native to South America, Colombia , Ecuador.

Philodendron Imperial Red displays a lateral growth habit, reaching up to 3 ft tall with a spread of approximately 4 ft. Philodendron Imperial Red produces red spathe and white to creamy spadix.

Leaf size: approximately 10 inches.

How Often Should You Water a Philodendron Imperial Red?

Water a young or newly planted Philodendron Imperial Red every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Watering Frequency

Every 7–10 days

Until established; then in dry spells

What Light Does the Philodendron Imperial Red Need?

Philodendron Imperial Red thrives in bright indirect light. Avoid placing Philodendron Imperial Red in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect

What Temperature and Humidity Does the Philodendron Imperial Red Prefer?

Philodendron erubescens 'Imperial Red' tolerates temperatures of 65–80°F. Philodendron Imperial Red prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

50–70%

What Soil Mix Works Best for a Philodendron Imperial Red?

Well draining soil using peat, perlite, orchid bark, charcoal and some potting soil. Good drainage is essential for Philodendron Imperial Red to prevent waterlogging, which leads to root rot and fungal issues.

Where Should You Plant a Philodendron Imperial Red?

Choose a spot with bright indirect light and well draining soil using peat, perlite, orchid bark, charcoal and some potting soil. Avoid low spots where water collects after rain.

Philodendron Imperial Red is suited to USDA Zone 11b – 12b.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Philodendron Imperial Red?

Philodendron Imperial Red can spread to about 4 ft (1.2 m) and reach about 3 ft (1 m) tall. Space plants about 4 ft (1.2 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

How Do You Prune a Philodendron Imperial Red?

Prune Philodendron Imperial Red while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

How Do You Care for a Philodendron Imperial Red in Winter?

Philodendron Imperial Red is frost-tender (hardy to USDA zone 11). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

How Do You Propagate a Philodendron Imperial Red?

Philodendron Imperial Red can be propagated through plantlets, seeds. Similar propagation techniques also apply to billietiae philodendron plant care, which shares the same genus.

Is the Philodendron Imperial Red Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Philodendron Imperial Red?

Philodendron Imperial Red is susceptible to spider mites, mealybugs, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Philodendron Imperial Red Need?

Philodendron Imperial Red grows outdoors in USDA Zone 11b – 12b. It survives winters down to planting zone 11b. Philodendron Imperial Red is native to South America, Colombia , Ecuador. In cooler regions, grow Philodendron Imperial Red as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 11b – 12b

Keep exploring plants

Philodendron Imperial Red is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Philodendron genus — compare its care with other Philodendron species on PlantoScan.

Philodendron is part of the Araceae plant family — browse all Araceae genera and species.

Philodendron Imperial Red thrives in bright light and direct sun — see other bright-light plants.

More Philodendron Species

Other Philodendron species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Philodendron erubescens 'Imperial Red', family Araceae — World Flora Online.
  • Pet toxicity: Philodendron Imperial Red is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: AI-generated illustration (labelled on the image).
  • Hardiness zone: USDA Zone 11b – 12b, estimated from the plant's typical growing conditions.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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