Alsophila cinerea Plant Care

Alsophila cinerea (Copel.) R.M.Tryon

Updated · Sources · How we source care data

Alsophila cinerea, synonym Cyathea cinerea, is a species of tree fern endemic to Mindanao in the Philippines, where it grows in forest at an altitude of about 1000 m. The trunk is erect, up to 5 m tall and about 12 cm in diameter.

🌳Trees🌿Ferns🌼Perennials🌴Tropical Plants
Water

Every 7–14 days

Light

Bright indirect to low light

Temp

60–80°F

Humidity

60–80%

At a glance

How do you care for Alsophila cinerea?

Water Alsophila cinerea every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect to low light. It prefers temperatures of 60–80°F (16–27°C) and 60–80% humidity. Fertilize it every 6 months during the growing season.

Where Is the Alsophila cinerea Native To?

Native range1 country

What Is the Alsophila cinerea?

Alsophila cinerea (Alsophila cinerea) belongs to the Cyatheaceae family within the Alsophila genus. Alsophila cinerea is native to Mindanao in the Philippines.

Alsophila cinerea displays a large, tree-like fern growth habit, reaching up to 10 ft tall with a spread of approximately 5 ft. Alsophila cinerea produces non-flowering.

Leaf size: approximately 36 inches.

How Often Should You Water a Alsophila cinerea?

Alsophila cinerea requires watering every 7–14 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 7–14 days

Let soil partially dry between waterings

What Light Does the Alsophila cinerea Need?

Alsophila cinerea thrives in bright indirect to low light. Avoid placing Alsophila cinerea in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect to low light

What Temperature and Humidity Does the Alsophila cinerea Prefer?

Alsophila cinerea grows best at temperatures of 60–80°F. Alsophila cinerea prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

60–80°F

Humidity

60–80%

What Soil Mix Works Best for a Alsophila cinerea?

Rich, well-draining soil with high organic content. Good drainage is essential for Alsophila cinerea to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Alsophila cinerea?

Feed Alsophila cinerea 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 Alsophila cinerea?

Repot every 2-3 years. 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 Alsophila cinerea?

Alsophila cinerea can be propagated through spores. Similar propagation techniques also apply to tree fern plant care, which shares the same genus.

Is the Alsophila cinerea Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Alsophila cinerea, 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 Alsophila cinerea?

Alsophila cinerea 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 Alsophila cinerea Need?

Alsophila cinerea grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Alsophila cinerea is native to Mindanao in the Philippines. In cooler regions, grow Alsophila cinerea as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Alsophila cinerea 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 Alsophila genus — compare its care with other Alsophila species on PlantoScan.

Alsophila is part of the Cyatheaceae plant family — browse all Cyatheaceae genera and species.

Alsophila cinerea copes with lower light than most plants — browse the full list of low-light plants.

More Alsophila Species

Other Alsophila species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Alsophila cinerea (Copel.) R.M.Tryon, family Cyatheaceae (first published in Contr. Gray Herb. 200: 33 (1970)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Alsophila cinerea, 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.

PlantoScan app icon

Identify Plants Like the
Alsophila cinerea Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species