Black Rampion Plant Care
Phyteuma nigrum F.W.Schmidt
Updated · Sources · How we source care data
Phyteuma (P) nigrum, the black rampion, is a relatively rare species of plant in the family Campanulaceae. P.
Every 7–10 days
Partial shade to full sun
50–75°F
40–70%
At a glance
How do you care for Black Rampion?
Water Black Rampion every 7–10 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 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Black Rampion?
Black Rampion (Phyteuma nigrum) belongs to the Campanulaceae family within the Phyteuma genus.
Black Rampion displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Black Rampion produces showy, bell-shaped flowers in shades of blue, purple, or white.
Leaf size: approximately 4 inches.
How Often Should You Water a Black Rampion?
Phyteuma nigrum 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 Black Rampion Need?
Black Rampion thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Black Rampion Prefer?
Phyteuma nigrum grows best at temperatures of 50–75°F. Black Rampion prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Black Rampion?
Well-draining, loamy soil with added organic matter for moisture retention. Good drainage is essential for Black Rampion to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Black Rampion?
Feed Black Rampion 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 Black Rampion?
Divide and 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 Black Rampion?
Black Rampion can be propagated through seeds, division of offsets. Similar propagation techniques also apply to betony-leaved rampion plant care, which shares the same genus.
Is the Black Rampion Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Black Rampion, 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 Black Rampion?
Black Rampion 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 Black Rampion Need?
Black Rampion grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Black Rampion as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Black Rampion 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 Phyteuma genus — compare its care with other Phyteuma species on PlantoScan.
Phyteuma is part of the Campanulaceae plant family — browse all Campanulaceae genera and species.
Black Rampion 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: Phyteuma nigrum F.W.Schmidt, family Campanulaceae (first published in Fl. Boëm. 2: 87 (1793 publ. 1794)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Black Rampion, 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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