Onosma cinerea Plant Care
Onosma cinerea Schreb.
Updated · Sources · How we source care data
Full sun to partial shade
At a glance
How do you care for Onosma cinerea?
Onosma cinerea grows best in full sun to partial shade.
What Is the Onosma cinerea?
Onosma cinerea (Onosma cinerea) belongs to the Boraginaceae family within the Onosma genus.
Onosma cinerea displays a low rosette, spreading growth habit, reaching up to tall with a spread of approximately . Onosma cinerea produces small tubular flowers in shades of blue, purple, or white.
What Light Does the Onosma cinerea Need?
Onosma cinerea thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Onosma cinerea?
Well-draining sandy soil with good organic content. Good drainage is essential for Onosma cinerea to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Onosma cinerea?
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 Onosma cinerea?
Onosma cinerea can be propagated through seeds, division of clumps. Similar propagation techniques also apply to troodos bugloss plant care, which shares the same genus.
Is the Onosma cinerea Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Onosma cinerea, 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 Onosma cinerea?
Onosma cinerea is susceptible to aphids, spider mites. 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.
Keep exploring plants
Onosma cinerea 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 Onosma genus — compare its care with other Onosma species on PlantoScan.
Onosma is part of the Boraginaceae plant family — browse all Boraginaceae genera and species.
Onosma cinerea 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: Onosma cinerea Schreb., family Boraginaceae (first published in Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 3: 474 (1767)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Onosma cinerea, 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.
- 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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