Largeflower Toad Lily Plant Care

Tricyrtis macrantha Maxim.

Updated · Sources · How we source care data

Tricyrtis macrantha, the yellow Chinese toad lily, is a species of flowering plant in the family Liliaceae. It is native to Japan's Kōchi Prefecture on the island of Shikoku.

🌼Perennials🧅Bulbs & Tubers
Water

Every 4–7 days

Light

Part shade to full shade

Temp

50–75°F

Humidity

50–80%

At a glance

How do you care for Largeflower Toad Lily?

Water Largeflower Toad Lily every 4–7 days, letting the top layer of soil dry out between waterings, and give it part shade to full shade. It prefers temperatures of 50–75°F (10–24°C) and 50–80% humidity. Fertilize it every 6 months during the growing season.

Where Is the Largeflower Toad Lily Native To?

Native range1 country

What Is the Largeflower Toad Lily?

Largeflower Toad Lily (Tricyrtis macrantha) belongs to the Liliaceae family within the Tricyrtis genus. Largeflower Toad Lily is native to Japan's Kōchi Prefecture on the island of Shikoku. Largeflower Toad Lily is also known as Toad Lily.

Largeflower Toad Lily displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Largeflower Toad Lily produces unique orchid-like flowers in shades of purple, pink, or white with speckles.

Leaf size: approximately 6 inches.

How Often Should You Water a Largeflower Toad Lily?

Tricyrtis macrantha requires watering every 4–7 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 4–7 days

Let soil partially dry between waterings

What Light Does the Largeflower Toad Lily Need?

Largeflower Toad Lily thrives in part shade to full shade. The optimal light range is 100–500 lux. Avoid placing Largeflower Toad Lily in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Part shade to full shade

100–500 lux

What Temperature and Humidity Does the Largeflower Toad Lily Prefer?

Tricyrtis macrantha grows best at temperatures of 50–75°F. Largeflower Toad Lily prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

50–75°F

Humidity

50–80%

What Soil Mix Works Best for a Largeflower Toad Lily?

Rich, moist, well-draining soil with plenty of organic matter. Good drainage is essential for Largeflower Toad Lily to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Largeflower Toad Lily?

Feed Largeflower Toad Lily 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 Largeflower Toad Lily?

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 Largeflower Toad Lily?

Largeflower Toad Lily can be propagated through division, seeds. Similar propagation techniques also apply to large-footed toad lily plant care, which shares the same genus.

Is the Largeflower Toad Lily Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Largeflower Toad Lily, 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 Largeflower Toad Lily?

Largeflower Toad Lily is susceptible to slugs, snails, 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.

What USDA Hardiness Zone Does the Largeflower Toad Lily Need?

Largeflower Toad Lily grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Largeflower Toad Lily is native to Japan's Kōchi Prefecture on the island of Shikoku. In cooler regions, grow Largeflower Toad Lily as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Largeflower Toad Lily 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 Tricyrtis genus — compare its care with other Tricyrtis species on PlantoScan.

Tricyrtis is part of the Liliaceae plant family — browse all Liliaceae genera and species.

Largeflower Toad Lily copes with lower light than most plants — browse the full list of low-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Tricyrtis macrantha Maxim., family Liliaceae (first published in Bull. Acad. Imp. Sci. Saint-Pétersbourg , sér. 3, 32: 625 (1888)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Largeflower Toad Lily, 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 12a, 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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