Syngonium macrophyllum

Syngonium

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Taxonomy

Family Araceae · Genus Syngonium

Common Names

SyngoniumArrowhead Plant

Context

nativeRegion

Central and northern South America (Costa Rica, Panama, Colombia, Ecuador, Peru, Venezuela, Brazil)

usdaZones

10-12 (grown as a houseplant elsewhere)

companionPlants

Monstera adansonii, Philodendron hederaceum, Epipremnum aureum

culturalUses

Primarily ornamental; not known for specific traditional uses.

Care

LightBright, indirect light is ideal; tolerates some shade but avoids direct sun.

WateringWater moderately, keeping the soil evenly moist but not soggy. Allow top inch to dry out between waterings.

SoilWell-draining, loose potting mix rich in organic matter, such as an aroid mix.

FertilizerFeed monthly during the growing season with a balanced liquid fertilizer diluted to half strength.

HumidityHigh humidity (above 60%) is preferred; can tolerate average indoor humidity but will appreciate misting.

TemperaturePrefers warm temperatures between 18-27°C (65-80°F); avoid cold drafts and temps below 13°C (55°F).

HabitEvergreen climbing or trailing vine, often with large, thick leaves.

Mature SizeTypically 30-60 cm tall indoors, can climb taller with support; leaf blades can reach 20-40 cm long.

Growth RateModerate growth rate under optimal conditions.

BloomingRarely blooms indoors; inflorescences are typical aroid spathes.

DormancyNo true dormancy but slows growth in cooler temperatures.

MethodsStem cuttings, Division

DifficultyEasy to moderate

Best SeasonSpring or early summer

PruningPrune to shape or control size; remove yellow or damaged leaves as needed.

RepottingRepot every 1-2 years or when rootbound, preferably in spring.

Pests & DiseasesGenerally resilient but may be susceptible to spider mites, aphids, or root rot if overwatered.

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

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