How to care for an arrowhead plant (Syngonium)
Syngonium podophyllum
Compact and bushy when young, then increasingly vining with age, the arrowhead plant likes bright indirect light, steadily moist (never soggy) compost, and warmth. Its leaves shift from arrow-shaped to lobed as it matures and begins to climb. Dry air browns the tips and too little light dulls the markings. Like its aroid cousins, Syngonium is toxic to cats and dogs.
Care at a glance
- Light
- Bright indirect light; tolerates medium lightVariegated and pink forms keep their colour best in bright indirect light; deep shade dulls them. Direct sun scorches the thin leaves.
- Water
- Keep steadily moist; let the top 2 cm dry firstWater moderately in growth and less in winter; it likes more moisture than a succulent but rots in a waterlogged pot.
- Soil
- Light, free-draining houseplant mixPeat-free compost with added perlite or bark keeps it moist yet airy around the roots.
- Humidity
- Likes higher humidityTolerates average rooms but the leaf edges brown in dry air; mist or stand it on damp gravel.
- Temperature
- Warm rooms around 16–25 °C (61–77 °F)Keep above 15 °C (59 °F) and away from cold draughts.
- Difficulty
- EasyFast, forgiving and quick to bounce back; ideal for building confidence as a beginner.
- Pets
- Toxic to petsToxic to cats and dogs — insoluble calcium oxalate crystals cause oral pain, drooling and vomiting if chewed (ASPCA).
Where it comes from
Propagation
Arrowhead plants root very readily from stem cuttings. Cut just below a node — the point where a leaf and aerial roots emerge — and stand the cutting in water or push it into damp compost. Roots appear within a couple of weeks, and several rooted cuttings potted together make a quickly filled, bushy plant.
Mature plants also clump up at the base and can be divided at repotting. As a Syngonium ages it stops staying tidy and starts to climb, with the leaves changing from simple arrowheads to larger lobed forms; pinching the vining stems keeps it compact, and the trimmings are themselves cuttings.
Common problems
- Brown, crispy leaf edges and tips
Likely cause: Dry air, or salts and fluoride in tap water — the thin leaves show stress quickly.
Fix: Raise humidity, water with rainwater or filtered water, and keep it out of dry draughts near radiators.
- Faded, washed-out markings
Likely cause: Too little light, so the variegation and pink tones dull toward plain green.
Fix: Move it to bright, indirect light (not direct sun) and the new growth returns to bolder colour.
- Long, sparse, vining stems
Likely cause: Natural maturity combined with lower light — the plant transitions from a bushy clump to a climber.
Fix: Pinch the growing tips regularly to keep it compact, or give it a small moss pole and let it climb on purpose.
Frequently asked questions
Why is my arrowhead plant getting viny and floppy?
That is simply maturity. A young Syngonium grows as a tidy bushy clump, but as it ages it naturally becomes a climbing vine with longer stems and lobed leaves. Pinch the tips to keep it compact, or let it scramble up a moss pole.
How do I keep the pink colour in my arrowhead plant?
Pink and variegated Syngoniums need plenty of bright, indirect light to hold their colour. In a dim spot the new leaves come through greener and plainer, so move it nearer a window — but out of harsh direct sun, which scorches it.
Can I grow an arrowhead plant in water permanently?
Yes. Cuttings root in water and can live in it long term if you change the water and add a little dilute feed. It grows more vigorously in soil, so move it across while the roots are young if you want a fuller plant.
Why are the leaves on my arrowhead plant curling?
Curling usually signals dry air or underwatering, sometimes pests on the undersides. Check the soil moisture, raise the humidity, inspect the leaf backs for tiny mites, and the fresh growth should unfurl flat.
Sources
- RHS — Syngonium podophyllum — Royal Horticultural Society, checked 2026-06-13
- ASPCA Toxic and Non-Toxic Plants — Arrow-Head Vine — ASPCA, checked 2026-06-13