Broadleaf Gromwell Plant Care
Lithospermum latifolium Michx.
Updated · Sources · How we source care data
Lithospermum latifolium is a species of flowering plant in the borage family known by the common names American gromwell and American stoneseed. Its native range is centered in the Midwestern United States, where it is found in calcareous forests.
Full sun to partial shade
At a glance
How do you care for Broadleaf Gromwell?
Broadleaf Gromwell grows best in full sun to partial shade.
What Is the Broadleaf Gromwell?
Broadleaf Gromwell (Lithospermum latifolium) belongs to the Boraginaceae family within the Lithospermum genus. Broadleaf Gromwell is native to calcareous forests. Broadleaf Gromwell is also known as American Gromwell.
Broadleaf Gromwell displays a low rosette, spreading ground cover growth habit, reaching up to tall with a spread of approximately . Broadleaf Gromwell produces small, tubular yellow flowers in clusters.
What Light Does the Broadleaf Gromwell Need?
Broadleaf Gromwell thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Broadleaf Gromwell?
Well-draining sandy soil with added organic matter like compost. Good drainage is essential for Broadleaf Gromwell to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Broadleaf Gromwell?
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 Broadleaf Gromwell?
Broadleaf Gromwell can be propagated through seeds, division of clumps. Similar propagation techniques also apply to bolivian puccoon plant care, which shares the same genus.
Is the Broadleaf Gromwell Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Broadleaf Gromwell, 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 Broadleaf Gromwell?
Broadleaf Gromwell is susceptible to aphids, spider mites, leaf miners. 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
Broadleaf Gromwell 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 Lithospermum genus — compare its care with other Lithospermum species on PlantoScan.
Lithospermum is part of the Boraginaceae plant family — browse all Boraginaceae genera and species.
Broadleaf Gromwell thrives in bright light and direct sun — see other bright-light plants.
More Lithospermum Species
Other Lithospermum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Lithospermum latifolium Michx., family Boraginaceae (first published in Fl. Bor.-Amer. 1: 131 (1803)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Broadleaf Gromwell, 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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