Campanula sulphurea Plant Care

Campanula sulphurea Boiss.

Updated · Sources · How we source care data

Campanula sulphurea, common name yellow bellflower, is a flowering plant in the genus Campanula. The native range of this species is Southwest Syria to Northeast Egypt.

🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Campanula sulphurea?

Water Campanula sulphurea every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.

Where Is the Campanula sulphurea Native To?

Native range3 countries

What Is the Campanula sulphurea?

Campanula sulphurea (Campanula sulphurea) belongs to the Campanulaceae family within the Campanula genus. Campanula sulphurea is native to Egypt and the Sinai Peninsula, Lebanon-Syria, Palestine and Israel.

Campanula sulphurea displays an upright, spreading perennial growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Campanula sulphurea produces bell-shaped flowers in various colors like blue, purple, pink, or white.

Leaf size: approximately 3 inches.

How Often Should You Water a Campanula sulphurea?

Campanula sulphurea 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 Campanula sulphurea Need?

Campanula sulphurea thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Campanula sulphurea Prefer?

Campanula sulphurea grows best at temperatures of 50–75°F. Campanula sulphurea prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Campanula sulphurea?

Well-draining, fertile soil with added compost for nutrients. Good drainage is essential for Campanula sulphurea to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Campanula sulphurea?

Feed Campanula sulphurea 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 Campanula sulphurea?

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 Campanula sulphurea?

Campanula sulphurea can be propagated through seeds, division of clumps, stem cuttings. Similar propagation techniques also apply to fairy's thimble plant care, which shares the same genus.

Is the Campanula sulphurea Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Campanula sulphurea, 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 Campanula sulphurea?

Campanula sulphurea 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 Campanula sulphurea Need?

Campanula sulphurea grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Campanula sulphurea is native to Egypt and the Sinai Peninsula, Lebanon-Syria, Palestine and Israel. In cooler regions, grow Campanula sulphurea as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Campanula sulphurea 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 Campanula genus — compare its care with other Campanula species on PlantoScan.

Campanula is part of the Campanulaceae plant family — browse all Campanulaceae genera and species.

Campanula sulphurea thrives in bright light and direct sun — see other bright-light plants.

More Campanula Species

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

Sources

  • Scientific name & taxonomy: Campanula sulphurea Boiss., family Campanulaceae (first published in Diagn. Pl. Orient. 11: 64 (1849)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Campanula sulphurea, 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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