Japanese Dunce Cap Plant Care
Orostachys japonica (Maxim.) A.Berger
Updated · Sources · How we source care data
Orostachys japonica also known as rock pine is a species of flowering plant in the family Crassulaceae. Native to East Asia.
Full sun to partial shade
At a glance
How do you care for Japanese Dunce Cap?
Japanese Dunce Cap grows best in full sun to partial shade.
Where Is the Japanese Dunce Cap Native To?
What Is the Japanese Dunce Cap?
Japanese Dunce Cap (Orostachys japonica) belongs to the Crassulaceae family within the Orostachys genus. Japanese Dunce Cap is native to East Asia. Japanese Dunce Cap is also known as Dunce Cap.
Japanese Dunce Cap displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Japanese Dunce Cap produces small star-shaped flowers in shades of white, pink, or yellow.
What Light Does the Japanese Dunce Cap Need?
Japanese Dunce Cap thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Japanese Dunce Cap?
Well-draining sandy soil mix with added perlite for improved drainage. Good drainage is essential for Japanese Dunce Cap to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Japanese Dunce Cap?
Repot every 2-3 years in early 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 Japanese Dunce Cap?
Japanese Dunce Cap can be propagated through offsets, leaf cuttings.
Is the Japanese Dunce Cap Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Japanese Dunce Cap, 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 Japanese Dunce Cap?
Japanese Dunce Cap is susceptible to mealybugs, spider mites. 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.
Keep exploring plants
Japanese Dunce Cap 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 Orostachys genus — compare its care with other Orostachys species on PlantoScan.
Orostachys is part of the Crassulaceae plant family — browse all Crassulaceae genera and species.
Japanese Dunce Cap 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: Orostachys japonica (Maxim.) A.Berger, family Crassulaceae (first published in Nat. Pflanzenfam. ed. 2 , 18a: 464 (1930)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Japanese Dunce Cap, 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.
- 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
Japanese Dunce Cap 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