Photo: Сергей КрыленкоCC BY 4.0via iNaturalistresized / cropped
Clematis-like Bonnet Bell Plant Care
Codonopsis clematidea C.B.Clarke
Updated · Sources · How we source care data
Codonopsis clematidea, also known as Bonnet Bellflower, is a unique plant with bell-shaped flowers that have distinctive purple stripes. Its natural origin is in mountainous regions of Asia. Plant enthusiasts are drawn to this species for its delicate appearance and charming bell-like blooms.
Every 7–14 days
Partial shade to full sun
50–75°F
40–60%
At a glance
How do you care for Clematis-like Bonnet Bell?
Water Clematis-like Bonnet Bell every 7–14 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every month during the growing season.
What Is the Clematis-like Bonnet Bell?
Clematis-like Bonnet Bell (Codonopsis clematidea) belongs to the Campanulaceae family within the Codonopsis genus. Clematis-like Bonnet Bell is native to China, Japan, Koreaheight: 2.5width: 1.5fertilizer: 1wateringMin: 7wateringMax: 14humidityMin: 40humidityMax: 60temperatureMin: 50temperatureMax: 75leafSize: 3.
Clematis-like Bonnet Bell displays a twining vine or herbaceous perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Clematis-like Bonnet Bell produces bell-shaped flowers in various colors.
Leaf size: approximately 3 inches.
How Often Should You Water a Clematis-like Bonnet Bell?
Codonopsis clematidea 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 Clematis-like Bonnet Bell Need?
Clematis-like Bonnet Bell thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Clematis-like Bonnet Bell Prefer?
Codonopsis clematidea grows best at temperatures of 50–75°F. Clematis-like Bonnet Bell prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Clematis-like Bonnet Bell?
Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Clematis-like Bonnet Bell to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Clematis-like Bonnet Bell?
Feed Clematis-like Bonnet Bell every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Clematis-like Bonnet Bell?
Repot every 1-2 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 Clematis-like Bonnet Bell?
Clematis-like Bonnet Bell can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to bonnet bellflower plant care, which shares the same genus.
Is the Clematis-like Bonnet Bell Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Clematis-like Bonnet Bell, 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 Clematis-like Bonnet Bell?
Clematis-like Bonnet Bell is susceptible to aphids, spider mites, slugs. 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 Clematis-like Bonnet Bell Need?
Clematis-like Bonnet Bell grows outdoors in USDA Zone 4a – 8b. It survives winters down to planting zone 4a. Clematis-like Bonnet Bell is native to China, Japan, Koreaheight: 2.5width: 1.5fertilizer: 1wateringMin: 7wateringMax: 14humidityMin: 40humidityMax: 60temperatureMin: 50temperatureMax: 75leafSize: 3.
Hardiness Zone
Zone 4a – 8b
Keep exploring plants
Clematis-like Bonnet Bell 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 Codonopsis genus — compare its care with other Codonopsis species on PlantoScan.
Codonopsis is part of the Campanulaceae plant family — browse all Campanulaceae genera and species.
Clematis-like Bonnet Bell 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: Codonopsis clematidea C.B.Clarke, family Campanulaceae (first published in Fl. Brit. India 3: 438 (1881)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Clematis-like Bonnet Bell, 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: Сергей Крыленко, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 4a – 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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