Forked Fan Fern Plant Care
Tmesipteris truncata (R.Br.) Desv.
Updated · Sources · How we source care data
Tmesipteris truncata is a fern endemic to eastern Australia. It is also known as a fork fern.
Every 7–10 days
Bright indirect light
60–75°F
50–70%
At a glance
How do you care for Forked Fan Fern?
Water Forked Fan Fern every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Forked Fan Fern Native To?
What Is the Forked Fan Fern?
Forked Fan Fern (Tmesipteris truncata) belongs to the Psilotaceae family within the Tmesipteris genus. Forked Fan Fern is native to eastern Australia.
Forked Fan Fern displays a low, creeping fern growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Forked Fan Fern produces non-flowering.
Leaf size: approximately 6 inches.
How Often Should You Water a Forked Fan Fern?
Tmesipteris truncata requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Forked Fan Fern Need?
Forked Fan Fern thrives in bright indirect light. Avoid placing Forked Fan Fern in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Forked Fan Fern Prefer?
Tmesipteris truncata grows best at temperatures of 60–75°F. Forked Fan Fern prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–70%
What Soil Mix Works Best for a Forked Fan Fern?
Well-draining, acidic soil mix with high organic content. Good drainage is essential for Forked Fan Fern to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Forked Fan Fern?
Feed Forked Fan Fern every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Forked Fan Fern?
Repot every 1-2 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Forked Fan Fern?
Forked Fan Fern can be propagated through spores, division of rhizomes. Similar propagation techniques also apply to fork fern plant care, which shares the same genus.
Is the Forked Fan Fern Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Forked Fan Fern, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Forked Fan Fern?
Forked Fan Fern is susceptible to spider mites, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Forked Fan Fern Need?
Forked Fan Fern grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Forked Fan Fern is native to eastern Australia. In cooler regions, grow Forked Fan Fern as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Forked Fan Fern is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Tmesipteris genus — compare its care with other Tmesipteris species on PlantoScan.
Tmesipteris is part of the Psilotaceae plant family — browse all Psilotaceae genera and species.
Forked Fan Fern thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Tmesipteris truncata (R.Br.) Desv., family Psilotaceae (first published in M?moires de la Soci?t? Linn?enne de Paris 6 6. 1827) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Forked Fan Fern, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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