Thaumatophyllum xanadu

Xanadu Philodendron

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Taxonomy

Common Names

Xanadu PhilodendronPhilodendron Xanadu'Xanadu'

Context

nativeRegion

Native to Brazil (South America).

usdaZones

10–12 (outdoors); widely grown as a houseplant elsewhere.

companionPlants

Philodendron species, Calathea, Aglaonema, Anthurium

culturalUses

Primarily ornamental, popular in landscaping and as a houseplant for its lush foliage.

Care

LightBright, indirect light is ideal; tolerates some shade but not strong direct sun.

WateringWater moderately, allowing top 2-3 cm of soil to dry between waterings; avoid waterlogging.

SoilWell-draining, rich organic potting mix, preferably with peat and perlite.

FertilizerFeed with a balanced liquid fertilizer every 4-6 weeks during spring and summer.

HumidityPrefers moderate to high humidity; misting or pebble trays can help in dry environments.

TemperatureThrives at 18–27°C (65–80°F); protect from cold drafts and temperatures below 10°C (50°F).

HabitClumping, evergreen perennial with deeply lobed, glossy leaves on multiple stems.

Mature Size60–120 cm (2–4 ft) high, 90–150 cm (3–5 ft) wide.

Growth RateModerate growth rate under optimal conditions.

BloomingRarely blooms indoors; small, inconspicuous inflorescences typical of Araceae when mature.

DormancyNo true dormancy, but growth slows in cooler months.

MethodsDivision, Stem cuttings

DifficultyEasy to moderate.

Best SeasonSpring or early summer, when active growth resumes.

PruningRemove old, yellowing leaves as needed to encourage new growth.

RepottingRepot every 2–3 years or when rootbound; use fresh soil each time.

Pests & DiseasesSusceptible to spider mites, scale, mealybugs; watch for root rot if overwatered.

ToxicityToxic to humans and pets if ingested; contains calcium oxalate crystals.

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