Fishtail Fern
Microsorum punctatum
Also known as: Fishtail Fern, Climbing Bird's Nest Fern, Milky Fern
Polypodiaceae
Last reviewed: June 2026 · Source: ASPCA Animal Poison Control
A bold fern with broad, strap-like or forked fronds that can be deeply lobed, resembling a fish tail. More tolerant of drier conditions than many ferns, making it more practical indoors.
Toxicity
Source: ASPCA Animal Poison Control Center. Always consult a veterinarian if your pet ingests any plant.
Care Guide
Pot Size
Frequently Asked Questions
Is Fishtail Fern toxic to cats?↓
No, Fishtail Fern is not toxic to cats and is considered pet-safe according to the ASPCA. It is generally safe to keep in homes with cats.
Is Fishtail Fern toxic to dogs?↓
No, Fishtail Fern is not toxic to dogs. It is listed as non-toxic by the ASPCA and is safe to have around dogs.
How often should I water Fishtail Fern?↓
Water Fishtail Fern every 5–7 days. Water when the top inch of soil feels dry to the touch.
How much light does Fishtail Fern need?↓
Fishtail Fern thrives in medium indirect light — bright enough to read by, but no direct sun rays. Providing the right light level is important for healthy growth.
What size pot does Fishtail Fern need?↓
Use a pot between 6″ and 12″ in diameter. When repotting, choose a pot only 1–2″ larger than the current one — too much space retains excess moisture and can lead to root rot.