Spider plant vs Pothos
Chlorophytum comosum · Epipremnum aureum
Pet safety: Spider plant is listed non-toxic to cats and dogs; Pothos is toxic (insoluble calcium oxalates). If the two are sold under the same name, a mislabelled plant is a genuine risk in a house with animals.
Why these two get mixed up
Pothos is recorded here as a pet-safe alternative to Spider plant, so the question is usually whether the swap is actually a fair one.
| Spider plant | Pothos | |
|---|---|---|
| Scientific name | Chlorophytum comosum | Epipremnum aureum |
| Family | Asparagaceae | Araceae |
| Light floor | Medium | Low |
| Water | 7–10 days | 7–14 days |
| Humidity floor | 40% | 40% |
| Mature height | 12–24 in | 72–240 in |
| Habit | clumping | trailing |
| Growth rate | fast | fast |
| Difficulty | Easy | Easy |
| Toxic to pets | No | Yes |
| Typical price | $10–25 | $10–25 |
Highlighted cells are where the two actually differ. Everything else they share.
The differences that matter
Pet safety
This is the difference that matters most. Spider plant is listed non-toxic to cats and dogs; Pothos is toxic (insoluble calcium oxalates). If the two are sold under the same name, a mislabelled plant is a genuine risk in a house with animals.
Mature size
Pothos reaches about 240 inches; Spider plant tops out near 24. Buying the wrong one for a shelf means rehoming it in a year.
Light
Pothos tolerates low light; Spider plant needs medium as a floor. Put the second in the first's spot and it stretches and declines.
Habit
Spider plant grows clumping; Pothos grows trailing. That decides where each one physically works.
Not even related
Spider plant is Asparagaceae, Pothos is Araceae. They share a shop label and nothing else — different families, different continents, different care.
Which should you buy?
- With a cat or dog in the house, take Spider plant. The other is toxic, and if the shop label is wrong you will not know which you have brought home.
- In a dim room, take Pothos.
- If you forget to water, take Pothos, which goes 10 days between drinks.
- If it is your first plant, take either — both score 1 of 5.
- For a small shelf, take Spider plant, which stops around 24 inches.
Full entries
Spider plant — care fields with sources, toxicity with every authority consulted, propagation and diagnosis. Pothos — the same.
Sources
- This database's own care records for Chlorophytum comosum and Epipremnum aureum — every figure compared above.
- Royal Botanic Gardens Kew, Plants of the World Online — accepted names and families for Chlorophytum comosum and Epipremnum aureum
- 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.