Arrowhead vine vs Inch plant
Syngonium podophyllum · Tradescantia zebrina
Mature size: Arrowhead vine reaches about 72 inches; Inch plant tops out near 24. Buying the wrong one for a shelf means rehoming it in a year.
Why these two get mixed up
Inch plant is recorded here as a pet-safe alternative to Arrowhead vine, so the question is usually whether the swap is actually a fair one.
| Arrowhead vine | Inch plant | |
|---|---|---|
| Scientific name | Syngonium podophyllum | Tradescantia zebrina |
| Family | Araceae | Commelinaceae |
| Light floor | Low | Medium |
| Water | 6–11 days | 5–9 days |
| Humidity floor | 40% | 40% |
| Mature height | 8–72 in | 6–24 in |
| Habit | trailing | trailing |
| Growth rate | fast | fast |
| Difficulty | Easy | Easy |
| Toxic to pets | Yes | Yes |
| Typical price | $10–30 | $8–20 |
Highlighted cells are where the two actually differ. Everything else they share.
The differences that matter
Mature size
Arrowhead vine reaches about 72 inches; Inch plant tops out near 24. Buying the wrong one for a shelf means rehoming it in a year.
Light
Arrowhead vine tolerates low light; Inch plant needs medium as a floor. Put the second in the first's spot and it stretches and declines.
Not even related
Arrowhead vine is Araceae, Inch plant is Commelinaceae. They share a shop label and nothing else — different families, different continents, different care.
Which should you buy?
- In a dim room, take Arrowhead vine.
- If you forget to water, take Arrowhead vine, which goes 8 days between drinks.
- If it is your first plant, take either — both score 1 of 5.
- For a small shelf, take Inch plant, which stops around 24 inches.
Full entries
Arrowhead vine — care fields with sources, toxicity with every authority consulted, propagation and diagnosis. Inch plant — the same.
Sources
- This database's own care records for Syngonium podophyllum and Tradescantia zebrina — every figure compared above.
- Royal Botanic Gardens Kew, Plants of the World Online — accepted names and families for Syngonium podophyllum and Tradescantia zebrina
- ASPCA Animal Poison Control — toxicity classification for both, cited on each species entry
- Photographs: Wikimedia Commons, individually credited and licensed above
Compiled and edited by Tony Valcarcel · 2026-09-12
Every comparison above is drawn from a recorded field. Where the honest
distinguisher is visual we show both photographs rather than describing a leaf
we have no field for. How this is sourced.