Dictymia brownii Plant Care
Dictymia brownii (Wikstr.) Copel.
Updated · Sources · How we source care data
Dictymia brownii, known as the strap fern, is a species of fern found in and near rainforest in eastern Australia. It is usually seen hanging from branches, or growing on rocks.
Every 3–5 days
Bright indirect light
65–75°F
60–80%
At a glance
How do you care for Dictymia brownii?
Water Dictymia brownii every 3–5 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–75°F (18–24°C) and 60–80% humidity. Fertilize it every 6 months during the growing season.
Where Is the Dictymia brownii Native To?
What Is the Dictymia brownii?
Dictymia brownii (Dictymia brownii) belongs to the Polypodiaceae family within the Dictymia genus. Dictymia brownii is native to and near rainforest in eastern Australia.
Dictymia brownii displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Dictymia brownii produces non-flowering.
Leaf size: approximately 12 inches.
How Often Should You Water a Dictymia brownii?
Dictymia brownii requires watering every 3–5 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 3–5 days
Let soil partially dry between waterings
What Light Does the Dictymia brownii Need?
Dictymia brownii thrives in bright indirect light. Avoid placing Dictymia brownii in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Dictymia brownii Prefer?
Dictymia brownii grows best at temperatures of 65–75°F. Dictymia brownii prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–75°F
Humidity
60–80%
What Soil Mix Works Best for a Dictymia brownii?
Well-draining, rich organic soil with high moisture retention. Good drainage is essential for Dictymia brownii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Dictymia brownii?
Feed Dictymia brownii 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 Dictymia brownii?
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 Dictymia brownii?
Dictymia brownii can be propagated through spores, division of rhizomes.
Is the Dictymia brownii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Dictymia brownii, 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 Dictymia brownii?
Dictymia brownii 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 Dictymia brownii Need?
Dictymia brownii grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Dictymia brownii is native to and near rainforest in eastern Australia. In cooler regions, grow Dictymia brownii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Dictymia brownii 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 Dictymia genus — compare its care with other Dictymia species on PlantoScan.
Dictymia is part of the Polypodiaceae plant family — browse all Polypodiaceae genera and species.
Dictymia brownii 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: Dictymia brownii (Wikstr.) Copel., family Polypodiaceae (first published in Univ. Calif. Publ. Bot. 16. 114 (1929)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Dictymia brownii, 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 13b, 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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