Plant guide
Watermelon peperomia
Peperomia argyraea
Watermelon peperomia is non-toxic to cats. Check the botanical label: other plants are also sold as watermelon plant.
Non-toxic does not mean edible. Eating plant material can still upset your cat’s stomach.
What this guide covers: Peperomia argyraea, also known as Peperomia argyreia. This guide does not cover Begonia species or other plants sold as watermelon plant.

Photo:
Photo details
NC State Extension Plant Toolbox — Peperomia argyraea (image 30611)
By Mokkie
License: CC BY-SA 4.0
Original downloaded image retained without botanical edits. Display resizing only.
This displayed image is shared under the same CC BY-SA 4.0 license.
Plant identity
- Scientific name
- Peperomia argyraea
- Scope
- Species
- Family
- Piperaceae
- Also known as
- No reviewed aliases available
Find the right spot
How to grow this plant
Peperomia argyraea, also known as Peperomia argyreia. This guide does not cover Begonia species or other plants sold as watermelon plant.
- Light
- Bright indirect light
Place in bright, filtered light.
- Watering
- Let the mix partly dry
Water when the surface feels dry; avoid leaving the mix saturated or drying it completely.
- Temperature
- Temperature range not yet established
Protect from cold drafts. No numeric growing range is proposed.
- Potting
- Use a potting mix with good drainage. Frequent repotting is usually unnecessary.
- Through the year
- Reduce watering during winter when growth slows.
Growing-guide sources
- Peperomia argyraea - Plant Toolbox ↗NC State Extension · Accessed 2026-10-15
Species care entry; descriptive growing advice, not numeric indoor temperature evidence.
Growing advice reviewed 2026-10-15. Plant safety is assessed separately.
Reviewed safety information
- Toxic principle
- Not recorded in the reviewed evidence
- Reported signs
- Not recorded in the reviewed evidence
Missing information is unknown. It should not be interpreted as an absence of risk.
Safe alternatives
No verified alternative recommendations are available for this guide.
Sources & review
- Watermelon peperomia ↗ASPCA Animal Poison Control · Accessed
Listed by the source as Peperomia argyreia. Kew explicitly treats Peperomia argyreia as a synonym of Peperomia argyraea.
- Botanical identity: Peperomia argyraea ↗Royal Botanic Gardens, Kew · Accessed 2026-10-15
Safety last reviewed .