Barnardia japonica Plant Care

Barnardia japonica (Thunb.) Schult. & Schult.f.

Updated · Sources · How we source care data

Barnardia japonica, the Japanese jacinth or murut, is a bulbous flowering plant in the family Asparagaceae, subfamily Scilloideae. It is one of the two species of the genus Barnardia, found in east China, Korea, Japan, Taiwan and East Russia.

🪴Houseplants🌼Perennials
Water

Every 7–10 days

Light

Bright indirect light

Temp

65–75°F

Humidity

40–60%

At a glance

How do you care for Barnardia japonica?

Water Barnardia japonica every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–75°F (18–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.

Where Is the Barnardia japonica Native To?

Native range5 countries

What Is the Barnardia japonica?

Barnardia japonica (Barnardia japonica) belongs to the Asparagaceae family within the Barnardia genus. Barnardia japonica is native to east China, Korea, Japan, Taiwan and East Russia.

Barnardia japonica displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Barnardia japonica produces small, bell-shaped flowers in clusters.

Leaf size: approximately 6 inches.

How Often Should You Water a Barnardia japonica?

Barnardia 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 Barnardia japonica Need?

Barnardia japonica thrives in bright indirect light. Avoid placing Barnardia japonica in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Barnardia japonica Prefer?

Barnardia japonica grows best at temperatures of 65–75°F. Barnardia japonica prefers humidity levels of 40–60%.

Temperature

65–75°F

Humidity

40–60%

What Soil Mix Works Best for a Barnardia japonica?

Well-draining, fertile soil with added organic matter like compost. Good drainage is essential for Barnardia japonica to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Barnardia japonica?

Feed Barnardia japonica 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 Barnardia japonica?

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 Barnardia japonica?

Barnardia japonica can be propagated through division of offsets, seeds. Similar propagation techniques also apply to barnardia numidica plant care, which shares the same genus.

Is the Barnardia japonica Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Barnardia japonica, 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 Barnardia japonica?

Barnardia japonica is susceptible to aphids, spider mites, mealybugs. 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 Barnardia japonica Need?

Barnardia japonica grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Barnardia japonica is native to east China, Korea, Japan, Taiwan and East Russia. In cooler regions, grow Barnardia japonica as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Barnardia japonica 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 Barnardia genus — compare its care with other Barnardia species on PlantoScan.

Barnardia is part of the Asparagaceae plant family — browse all Asparagaceae genera and species.

Barnardia japonica 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: Barnardia japonica (Thunb.) Schult. & Schult.f., family Asparagaceae (first published in Syst. Veg., ed. 15 bis 7: 555 (1829)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Barnardia japonica, 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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