Red Trillium Plant Care

Trillium erectum L.

Updated · Sources · How we source care data

Trillium erectum, the red trillium, also known as wake robin, purple trillium, bethroot, or stinking benjamin, is a species of flowering plant in the family Melanthiaceae. The plant takes its common name "wake robin" by analogy with the European robin, which has a red breast heralding spring.

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 Red Trillium?

Water Red 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 Red Trillium Native To?

Native range2 countries

What Is the Red Trillium?

Red Trillium (Trillium erectum) belongs to the Melanthiaceae family within the Trillium genus. Red Trillium is native to the eastern United States and eastern Canada from northern Georgia to Quebec and New Brunswick. Red Trillium is also known as Wake Robin, Stinking Benjamin, Beth Root.

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

Leaf size: approximately 6 inches.

How Often Should You Water a Red Trillium?

Trillium erectum 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 Red Trillium Need?

Red Trillium thrives in partial to full shade. The optimal light range is 100–500 lux. Avoid placing Red 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 Red Trillium Prefer?

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

Temperature

50–75°F

Humidity

40–70%

What Soil Mix Works Best for a Red Trillium?

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

How Do You Repot a Red 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 Red Trillium?

Red 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 Red Trillium Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Red 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 Red Trillium?

Red 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 Red Trillium Need?

Red Trillium grows outdoors in USDA Zone 4a – 7b. It survives winters down to planting zone 4a. Red Trillium is native to the eastern United States and eastern Canada from northern Georgia to Quebec and New Brunswick.

Hardiness Zone

Zone 4a – 7b

Keep exploring plants

Red 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.

Red 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 erectum L., family Melanthiaceae (first published in Sp. Pl. : 340 (1753)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Red 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 4a – 7b, estimated from the plant's typical growing conditions.
  • 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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