Japanese Causonis Plant Care
Causonis japonica Raf.
Updated · Sources · How we source care data
Causonis japonica is a vine plant in the grape family, Vitaceae. It is the type species of its genus and is native to tropical and subtropical Asia, Australia and the West Pacific.
Every 7–10 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Japanese Causonis?
Water Japanese Causonis every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–80°F (18–27°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Japanese Causonis Native To?
What Is the Japanese Causonis?
Japanese Causonis (Causonis japonica) belongs to the Vitaceae family within the Causonis genus. Japanese Causonis is native to tropical and subtropical Asia, Australia and the West Pacific.
Japanese Causonis displays a vining, climbing shrub growth habit, reaching up to 4 ft tall with a spread of approximately 2 ft. Japanese Causonis produces small clusters of greenish-white flowers.
Leaf size: approximately 4 inches.
How Often Should You Water a Japanese Causonis?
Causonis japonica requires watering every 7–10 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 7–10 days
Let soil partially dry between waterings
What Light Does the Japanese Causonis Need?
Japanese Causonis thrives in bright indirect light. Avoid placing Japanese Causonis in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Japanese Causonis Prefer?
Causonis japonica grows best at temperatures of 65–80°F. Japanese Causonis prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Japanese Causonis?
Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Japanese Causonis to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Japanese Causonis?
Feed Japanese Causonis 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 Japanese Causonis?
Repot every 1-2 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 Causonis?
Japanese Causonis can be propagated through softwood cuttings, layering, air layering.
Is the Japanese Causonis Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Japanese Causonis, 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 Causonis?
Japanese Causonis is susceptible to aphids, 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 Japanese Causonis Need?
Japanese Causonis grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Japanese Causonis is native to tropical and subtropical Asia, Australia and the West Pacific. In cooler regions, grow Japanese Causonis as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Japanese Causonis 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 Causonis genus (family Vitaceae) — search all Causonis species in the plant lookup.
Japanese Causonis 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: Causonis japonica Raf., family Vitaceae (first published in Med. Fl. 2: 122. 1830) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Japanese Causonis, 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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