American Bittersweet (Celastrus scandens)

Photo: axleymCC BY 4.0via iNaturalistresized / cropped

American Bittersweet Plant Care

Celastrus scandens L.

Updated · Sources · How we source care data

Celastrus scandens, commonly called American bittersweet, is a species of bittersweet that blooms mostly in June and is commonly found on rich, well-drained soils of woodlands.

Water

Every 7–14 days

Light

Full sun to partial shade

Temp

60–80°F

Humidity

40–70%

At a glance

How do you care for American Bittersweet?

Water American Bittersweet every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season. The ASPCA lists it as toxic to cats and dogs, so keep it out of reach of pets.

Where Is the American Bittersweet Native To?

Native range1 country

What Is the American Bittersweet?

American Bittersweet (Celastrus scandens) belongs to the Celastraceae family within the Celastrus genus. American Bittersweet is native to Eastern United States. American Bittersweet is also known as Climbing Bittersweet, False Bittersweet, Staff Vine.

American Bittersweet displays a climbing vine growth habit, reaching up to 20 ft tall with a spread of approximately 10 ft. American Bittersweet produces small greenish-white clusters.

Leaf size: approximately 3 inches.

How Often Should You Water a American Bittersweet?

Celastrus scandens requires watering every 7–14 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 7–14 days

Let soil partially dry between waterings

What Light Does the American Bittersweet Need?

American Bittersweet thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the American Bittersweet Prefer?

Celastrus scandens grows best at temperatures of 60–80°F. American Bittersweet prefers humidity levels of 40–70%.

Temperature

60–80°F

Humidity

40–70%

What Soil Mix Works Best for a American Bittersweet?

Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for American Bittersweet to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a American Bittersweet?

Feed American Bittersweet 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 American Bittersweet?

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 American Bittersweet?

American Bittersweet can be propagated through seeds, semi-hardwood cuttings.

Is the American Bittersweet Toxic to Pets and Children?

Toxic to cats and dogs

Source: ASPCA Animal Poison Control Center plant list. View the ASPCA entry

Toxic to humans if ingested, may cause skin irritation

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 American Bittersweet?

American Bittersweet is susceptible to aphids, scale insects, caterpillars. 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 American Bittersweet Need?

American Bittersweet grows outdoors in USDA Zone 3 – 8. It survives winters down to planting zone 3a. American Bittersweet is native to Eastern United States.

Hardiness Zone

Zone 3 – 8

Keep exploring plants

American Bittersweet 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 Celastrus genus — compare its care with other Celastrus species on PlantoScan.

Celastrus is part of the Celastraceae plant family — browse all Celastraceae genera and species.

American Bittersweet 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: Celastrus scandens L., family Celastraceae (first published in Sp. Pl. : 196 (1753)) — World Flora Online record, IPNI name record, Wikidata.
  • Pet toxicity: The ASPCA lists American Bittersweet as toxic to cats and dogs. Source: ASPCA Toxic and Non-Toxic Plant List.
  • Photo: axleym, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 3 – 8, 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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