Alsophila imrayana Plant Care

Alsophila imrayana (Hook.) D.S.Conant

Updated · Sources · How we source care data

Alsophila imrayana, synonym Cyathea imrayana, is a species of tree fern native to Dominica, Costa Rica, Panama, Venezuela, and Ecuador.

🌳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 imrayana?

Water Alsophila imrayana 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 imrayana Native To?

Native range5 countries

What Is the Alsophila imrayana?

Alsophila imrayana (Alsophila imrayana) belongs to the Cyatheaceae family within the Alsophila genus. Alsophila imrayana is native to Dominica, Costa Rica, Panama, Venezuela, and Ecuador.

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

Leaf size: approximately 36 inches.

How Often Should You Water a Alsophila imrayana?

Alsophila imrayana 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 imrayana Need?

Alsophila imrayana thrives in bright indirect to low light. Avoid placing Alsophila imrayana 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 imrayana Prefer?

Alsophila imrayana grows best at temperatures of 60–80°F. Alsophila imrayana 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 imrayana?

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

How Often Should You Fertilize a Alsophila imrayana?

Feed Alsophila imrayana 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 imrayana?

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 imrayana?

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

Is the Alsophila imrayana Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Alsophila imrayana, 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 imrayana?

Alsophila imrayana 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 imrayana Need?

Alsophila imrayana grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Alsophila imrayana is native to Dominica, Costa Rica, Panama, Venezuela, and Ecuador. In cooler regions, grow Alsophila imrayana as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Alsophila imrayana 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 imrayana 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 imrayana (Hook.) D.S.Conant, family Cyatheaceae (first published in J. Arnold Arbor. 64: 371 (1983)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Alsophila imrayana, 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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