Thaumatophyllum spruceanum

Spruce's philodendron

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Taxonomy

Common Names

Spruce's philodendron

Context

nativeRegion

Western Amazon Basin (Brazil, Peru, Colombia, Ecuador)

usdaZones

10-12

companionPlants

Philodendron species, Anthurium, Monstera, Ficus elastica

culturalUses

Primarily cultivated as an ornamental for its dramatic foliage; not known for traditional uses.

Care

LightPrefers bright, indirect light but tolerates moderate shade. Avoid direct sun to prevent leaf burn.

WateringWater when the top 2-3 cm of soil dry out; keep evenly moist but never soggy. Reduce frequency in winter.

SoilWell-draining, chunky aroid mix rich in organic matter; include perlite or orchid bark.

FertilizerFeed monthly during spring and summer with a balanced, diluted liquid fertilizer; withhold in winter.

HumidityThrives in high humidity (60-80%), but tolerates average household levels. Benefits from occasional misting.

TemperatureOptimal range is 18-28°C (65-82°F); avoid temperatures below 13°C (55°F).

HabitUpright, semi-woody stems with large, deeply lobed leaves; eventually develops a trunk-like base.

Mature SizeTypically reaches 1.5-2.5 m (5-8 ft) indoors; larger in natural habitat.

Growth RateModerate to fast under ideal conditions.

BloomingRarely flowers indoors; inflorescences are typical arum-type spathes when mature.

DormancyNo true dormancy but growth slows in winter with reduced light and cooler temperatures.

MethodsStem cuttings, Air layering, Division

DifficultyModerate

Best SeasonSpring to early summer, during period of active growth.

PruningRemove dead or damaged leaves as needed. Occasionally trim to maintain shape and size.

RepottingRepot every 2-3 years or when roots outgrow the pot, ideally in spring.

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

ToxicityToxic to pets and humans if ingested due to insoluble calcium oxalates.

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