Arrowhead plant
An easy, forgiving aroid; like its relatives, it is harmed far more by overwatering than by a missed watering.
Care
Bright indirect light; variegated and pink forms need more light to keep their colour.
Medium — water when the top few centimetres are dry; less in winter.
Peat-free houseplant compost with bark or perlite.
Pinch or cut back climbing stems to keep it compact and bushy.
A balanced houseplant feed monthly in spring and summer.
Stem cuttings with a node and an aerial root root easily in water or compost.
Month by month
Months change with the climate: in southern Italy tomatoes go out two months earlier than in England.
- AprilCut back leggy stems and root the cuttings. how ›
- MayGive a moss pole if you want it to climb. how ›
- NovemberWater less over winter. how ›
Months based on climate: UK. Your choice stays on this device.
- AprilCut back leggy stems and root the cuttings. how ›
- MayGive a moss pole if you want it to climb. how ›
- NovemberWater less over winter. how ›
Months based on climate: Northern Italy. Your choice stays on this device.
Common problems
How to spot it. Lower leaves yellowing.
What to do. Usually overwatering; let the top of the compost dry.
How to spot it. New leaves greener.
What to do. Needs more light.
How to spot it. Sap can irritate skin; toxic if eaten.
What to do. Wear gloves when pruning; keep away from pets.
Questions
Arrowhead plant: is it hardy?
H1a: True houseplant, needs above 15°C. It survives heated glasshouse.
Can it grow in a pot?
Yes — a houseplant.
Arrowhead plant: when do you prune it?
Pinch or cut back climbing stems to keep it compact and bushy. In the calendar for UK, pruning falls in April.
When do you feed it?
A balanced houseplant feed monthly in spring and summer. Feeding months, UK: April–September.