Arrowhead Plant
Syngonium podophyllum · the Arrowhead Vine
It starts as a tidy mound of arrow-shaped leaves on the rainforest floor of Latin America, then changes completely as it climbs: the new leaves split into deep lobes, so the young and adult plant look like two different species.
Family
Araceae
Origin
Latin America
Leaf shape changes
Arrow to lobed
Indoors
1.5–2.5 m climbing
Growth
Fast
With pets
Toxic
Where it's from
Mexico through Central America to Bolivia
A tree-climber
Starts on the forest floor and climbs trunks toward the light, the trigger for its adult leaf shape.
Outdoors: zones 10a–12
Frost-tender. Elsewhere strictly indoors or a shaded summer patio plant brought in before cold.
Category I invasive
Where it escapes outdoors it smothers native plants. Do not plant it outside in warm climates.
The shapeshifter
A juvenile makes simple arrow or heart leaves on a tidy mound. Once it finds something to climb, the new leaves split into deep three to five lobes, almost hand-like. This age-driven change is called heteroblasty, and it is the plant's signature trick.
Climbing flips the leaf
The lobed adult form arrives only once it starts climbing toward the light.
Recoloured by breeders
Wild plants are plain green. The pinks, creams and whites are all horticultural selection.
Roots in plain water
One of the easiest aroids to strike, which is why it is so cheap and abundant.
How to keep it
LightBright, indirect
Green forms take lower light. Pink and variegated forms want brighter filtered light to hold colour. No direct sun.
WaterLet it dry halfway
Water freely in growth and let the soil dry about halfway between. Keep moist but never soggy.
HumidityModerate to highTolerates average indoor air, but dry air browns the leaf tips.
TemperatureAbove 15°CFrost-tender. Keep it above about 15°C and away from cold drafts.
SoilLoamy, well-drainingMoist but well-drained. Tolerant of acid, neutral or alkaline pH.
FeedingEvery 3–4 weeks in growthA balanced liquid feed through the growing season.
DifficultyEasyA beginner plant. Pinch or prune to keep it bushy, or give it a pole to climb.
With petsToxicInsoluble calcium oxalates. Mouth pain and swelling, drooling and vomiting if chewed.
PropagationCuttings in waterStem-tip cuttings strike fast in plain water. Also by division and layering.
RepottingEvery 1–2 yearsIt grows quickly and fills the pot fast.
What the data says
What it costs
One species spans both ends of the ladder: a commodity green vine and a genuine collector white.
$8–15
Green / White Butterfly
The everyday plant, in every store.
$25–35
Pinks and neons
Pink Allusion and neon recolours, widely available.
$35–65
Albo Variegata
Creamy-white marbling, every leaf unique. The collector grail.
$8–15Green / White Butterfly
$25–35Pinks and neons
$35–65Albo Variegata
The same species you can grab for ten dollars also has a white-variegated form collectors chase.
The clean-air myth
It is grouped with NASA's air-purifying list. The real number behind that is brutal.
1 Syngonium cleans 0.1% of one room's air
The 1989 NASA test used a sealed lab chamber. In a real ventilated room you would need hundreds to match one open window. A lovely green plant, not an air purifier.
IUCN · Not assessed
In the wild
The usual conservation story runs backwards here: the danger is the plant to the ecosystem.
There is no harvesting threat to wild populations. Instead, where it escapes outdoors it becomes an aggressive invader, a Florida Category I species that climbs trees and forms dense mats, displacing native plants. In American Samoa it dominated groundcover to the exclusion of all else.
When it sulks
Mushy stems, yellowingOverwatering and soft rot. Dry it out and improve drainage.
Brown leaf tips and edgesDry air or underwatering. Raise humidity and water more evenly.
Faded or reverted colourToo little light. Move pink and cream forms to brighter indirect light.
Scorched, bleached leavesToo much direct sun.
Leggy, sparse growthWants more light, or pinching to stay bushy.
Varieties & company
The varieties
White ButterflyPink AllusionNeon RobustaConfettiAlbo Variegata
Pairs with · keep apart from
PothosPhilodendronPeace LilyCactiSucculentsSnake Plant
A new plant, every week.
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