Wedgeleaf Trillium Plant Care

Trillium cuneatum Raf.

Updated · Sources · How we source care data

Trillium cuneatum, the little sweet betsy, also known as whip-poor-will flower, large toadshade, purple toadshade, and bloody butcher, is a species of flowering plant in the family Melanthiaceae. It is a member of the Trillium cuneatum complex, a subgroup of the sessile-flowered trilliums.

Water

Every 7–10 days

Light

Partial to full shade

Temp

50–75°F

Humidity

40–70%

At a glance

How do you care for Wedgeleaf Trillium?

Water Wedgeleaf Trillium every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial to full shade. It prefers temperatures of 50–75°F (10–24°C) and 40–70% humidity.

Where Is the Wedgeleaf Trillium Native To?

Native range1 country

What Is the Wedgeleaf Trillium?

Wedgeleaf Trillium (Trillium cuneatum) belongs to the Melanthiaceae family within the Trillium genus. Wedgeleaf Trillium is native to the southeastern United States. Wedgeleaf Trillium is also known as Little Sweet Beth, Red Trillium, White Trillium.

Wedgeleaf Trillium displays a low rosette, clumping perennial growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Wedgeleaf Trillium produces solitary, showy, three-petaled flowers in various colors.

Leaf size: approximately 6 inches.

How Often Should You Water a Wedgeleaf Trillium?

Trillium cuneatum 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 Wedgeleaf Trillium Need?

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

Light Requirement

Partial to full shade

100–500 lux

What Temperature and Humidity Does the Wedgeleaf Trillium Prefer?

Trillium cuneatum grows best at temperatures of 50–75°F. Wedgeleaf Trillium prefers humidity levels of 40–70%.

Temperature

50–75°F

Humidity

40–70%

What Soil Mix Works Best for a Wedgeleaf Trillium?

Rich, moist, well-draining woodland soil with high organic content. Good drainage is essential for Wedgeleaf Trillium to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Wedgeleaf Trillium?

Repot every 3-5 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 Wedgeleaf Trillium?

Wedgeleaf Trillium can be propagated through division of rhizomes, seeds. Similar propagation techniques also apply to giant white trillium plant care, which shares the same genus.

Is the Wedgeleaf Trillium Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Wedgeleaf Trillium, 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 Wedgeleaf Trillium?

Wedgeleaf Trillium is susceptible to slugs, snails, deer. 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 Wedgeleaf Trillium Need?

Wedgeleaf Trillium grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Wedgeleaf Trillium is native to the southeastern United States. In cooler regions, grow Wedgeleaf Trillium as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Wedgeleaf Trillium 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 Trillium genus — compare its care with other Trillium species on PlantoScan.

Trillium is part of the Melanthiaceae plant family — browse all Melanthiaceae genera and species.

Wedgeleaf Trillium copes with lower light than most plants — browse the full list of low-light plants.

More Trillium Species

Other Trillium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Trillium cuneatum Raf., family Melanthiaceae (first published in Autik. Bot. : 133 (1840)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Wedgeleaf Trillium, 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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