Image: AI generated
Cooper's Tree Fern Plant Care
Sphaeropteris cooperi (Hook. ex F.Muell.) R.M.Tryon
Updated · Sources · How we source care data
Sphaeropteris cooperi, synonym Cyathea cooperi, also known as lacy tree fern, scaly tree fern, coin spot tree fern, or Cooper's tree fern, is a tree fern native to Australia, in New South Wales and Queensland.
Every 7–14 days
Filtered sunlight or partial shade
60–75°F
60–80%
At a glance
How do you care for Cooper's Tree Fern?
Water Cooper's Tree Fern every 7–14 days, letting the top layer of soil dry out between waterings, and give it filtered sunlight or partial shade. It prefers temperatures of 60–75°F (16–24°C) and 60–80% humidity. Fertilize it every 6 months during the growing season.
Where Is the Cooper's Tree Fern Native To?
What Is the Cooper's Tree Fern?
Cooper's Tree Fern (Sphaeropteris cooperi) belongs to the Cyatheaceae family within the Sphaeropteris genus. Cooper's Tree Fern is native to Australia, in New South Wales and Queensland.
Cooper's Tree Fern displays a large, spreading fern growth habit, reaching up to 5 ft tall with a spread of approximately 4 ft. Cooper's Tree Fern produces non-flowering.
Leaf size: approximately 24 inches.
How Often Should You Water a Cooper's Tree Fern?
Sphaeropteris cooperi 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 Cooper's Tree Fern Need?
Cooper's Tree Fern thrives in filtered sunlight or partial shade. Avoid placing Cooper's Tree Fern in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Filtered sunlight or partial shade
What Temperature and Humidity Does the Cooper's Tree Fern Prefer?
Sphaeropteris cooperi grows best at temperatures of 60–75°F. Cooper's Tree Fern prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
60–80%
What Soil Mix Works Best for a Cooper's Tree Fern?
Well-draining, rich, acidic soil with high organic content. Good drainage is essential for Cooper's Tree Fern to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Cooper's Tree Fern?
Feed Cooper's Tree 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 Cooper's Tree Fern?
Repot every 2-3 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 Cooper's Tree Fern?
Cooper's Tree Fern can be propagated through spores, division of rhizomes. Similar propagation techniques also apply to st helena tree fern plant care, which shares the same genus.
Is the Cooper's Tree Fern Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cooper's Tree 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 Cooper's Tree Fern?
Cooper's Tree 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 Cooper's Tree Fern Need?
Cooper's Tree Fern grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Cooper's Tree Fern is native to Australia, in New South Wales and Queensland. In cooler regions, grow Cooper's Tree Fern as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Cooper's Tree 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 Sphaeropteris genus — compare its care with other Sphaeropteris species on PlantoScan.
Sphaeropteris is part of the Cyatheaceae plant family — browse all Cyatheaceae genera and species.
Cooper's Tree Fern thrives in bright light and direct sun — see other bright-light plants.
More Sphaeropteris Species
Other Sphaeropteris species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Sphaeropteris cooperi (Hook. ex F.Muell.) R.M.Tryon, family Cyatheaceae (first published in Contr. Gray Herb. 200: 24 (1970)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cooper's Tree 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.
- Photo: AI-generated illustration (labelled on the image).
- 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.
Identify Plants Like the
Cooper's Tree Fern 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.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species