Florist’s cyclamen vs Nerve plant

Cyclamen persicum · Fittonia albivenis

Pet safety: Nerve plant is listed non-toxic to cats and dogs; Florist’s cyclamen is toxic (terpenoid saponins). 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

Nerve plant is recorded here as a pet-safe alternative to Florist’s cyclamen, so the question is usually whether the swap is actually a fair one.

Florist’s cyclamen (Cyclamen persicum) — **Florist’s cyclamen** — Cyclamen persicum. Photograph by Hanay, Wikimedia Commons , CC BY-SA 3.0.

Nerve plant (Fittonia albivenis) — **Nerve plant** — Fittonia albivenis. Photograph by Louise Wolff --darina 00:12, 7 May 2005 (UTC), Wikimedia Commons , CC BY-SA 3.0.

	Florist’s cyclamen	Nerve plant
Scientific name	Cyclamen persicum	Fittonia albivenis
Family	Primulaceae	Acanthaceae
Light floor	Medium	Low
Water	4–9 days	3–6 days
Humidity floor	40%	50%
Mature height	6–12 in	3–8 in
Habit	rosette	spreading
Growth rate	moderate	moderate
Difficulty	Demanding	Moderate
Toxic to pets	Yes	No
Typical price	$8–22	$6–18

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. Nerve plant is listed non-toxic to cats and dogs; Florist’s cyclamen is toxic (terpenoid saponins). If the two are sold under the same name, a mislabelled plant is a genuine risk in a house with animals.

Light

Nerve plant tolerates low light; Florist’s cyclamen needs medium as a floor. Put the second in the first's spot and it stretches and declines.

Habit

Florist’s cyclamen grows rosette; Nerve plant grows spreading. That decides where each one physically works.

Not even related

Florist’s cyclamen is Primulaceae, Nerve plant is Acanthaceae. 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 Nerve 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 Nerve plant.
If you forget to water, take Florist’s cyclamen, which goes 6 days between drinks.
If it is your first plant, take Nerve plant, at 3 of 5.
For a small shelf, take Nerve plant, which stops around 8 inches.

Full entries

Florist’s cyclamen — care fields with sources, toxicity with every authority consulted, propagation and diagnosis. Nerve plant — the same.

Sources

This database's own care records for Cyclamen persicum and Fittonia albivenis — every figure compared above.
Royal Botanic Gardens Kew, Plants of the World Online — accepted names and families for Cyclamen persicum and Fittonia albivenis
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.