Clasping Twistedstalk (Streptopus amplexifolius)

Photo: Lorenzo Emanuele LabateCC BY 4.0via iNaturalistresized / cropped

Clasping Twistedstalk Plant Care

Streptopus amplexifolius (L.) DC.

Updated · Sources · How we source care data

This plant's most distinctive visual feature is its unique pairs of clasping leaves that wrap around its stem. Streptopus amplexifolius is native to North America, particularly in shady, moist forests. Plant collectors are drawn to its intriguing foliage and its ability to thrive in woodland gardens, adding a touch of elegance and charm to the landscape.

🌼Perennials🧅Bulbs & Tubers
Water

Every 4–7 days

Light

Partial to full shade

Temp

50–75°F

Humidity

40–70%

At a glance

How do you care for Clasping Twistedstalk?

Water Clasping Twistedstalk every 4–7 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. Fertilize it every 6 months during the growing season.

Where Is the Clasping Twistedstalk Native To?

Native range43 countries

What Is the Clasping Twistedstalk?

Clasping Twistedstalk (Streptopus amplexifolius) belongs to the Liliaceae family within the Streptopus genus. Clasping Twistedstalk is native to North America, Europe and Asia. Clasping Twistedstalk is also known as American Twistedstalk, Large Twistedstalk.

Clasping Twistedstalk displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Clasping Twistedstalk produces small, bell-shaped greenish-white flowers in clusters.

Leaf size: approximately 4 inches.

How Often Should You Water a Clasping Twistedstalk?

Streptopus amplexifolius 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 Clasping Twistedstalk Need?

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

Streptopus amplexifolius grows best at temperatures of 50–75°F. Clasping Twistedstalk prefers humidity levels of 40–70%.

Temperature

50–75°F

Humidity

40–70%

What Soil Mix Works Best for a Clasping Twistedstalk?

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

How Often Should You Fertilize a Clasping Twistedstalk?

Feed Clasping Twistedstalk 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 Clasping Twistedstalk?

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 Clasping Twistedstalk?

Clasping Twistedstalk can be propagated through division, seeds. Similar propagation techniques also apply to twistedstalk plant care, which shares the same genus.

Is the Clasping Twistedstalk Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Clasping Twistedstalk, 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 Clasping Twistedstalk?

Clasping Twistedstalk is susceptible to aphids, slugs, snails. 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 Clasping Twistedstalk Need?

Clasping Twistedstalk grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. Clasping Twistedstalk is native to North America, Europe and Asia.

Hardiness Zone

Zone 3a – 8b

Keep exploring plants

Clasping Twistedstalk 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 Streptopus genus — compare its care with other Streptopus species on PlantoScan.

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

Clasping Twistedstalk 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: Streptopus amplexifolius (L.) DC., family Liliaceae (first published in Fl. Franç. , ed. 3, 3: 174 (1805)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Clasping Twistedstalk, 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.
  • Photo: Lorenzo Emanuele Labate, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 3a – 8b, 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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