Narrowpetal Thelypody Plant Care
Thelypodium stenopetalum S.Watson
Updated · Sources · How we source care data
Thelypodium stenopetalum is a rare species of flowering plant in the mustard family known by the common names slenderpetal thelypody, slender-petaled thelypodium and slender-petaled mustard. It is endemic to the San Bernardino Mountains of southern California, where it is known from only three or four extant occurrences in moist mountain meadows near Big Bear Lake.
Full sun to partial shade
At a glance
How do you care for Narrowpetal Thelypody?
Narrowpetal Thelypody grows best in full sun to partial shade.
Where Is the Narrowpetal Thelypody Native To?
What Is the Narrowpetal Thelypody?
Narrowpetal Thelypody (Thelypodium stenopetalum) belongs to the Brassicaceae family within the Thelypodium genus. Narrowpetal Thelypody is native to the San Bernardino Mountains of southern California.
Narrowpetal Thelypody displays a low rosette, spreading growth habit, reaching up to tall with a spread of approximately . Narrowpetal Thelypody produces small white or purple flowers in clusters.
What Light Does the Narrowpetal Thelypody Need?
Narrowpetal Thelypody thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Narrowpetal Thelypody?
Well-draining sandy loam with added organic matter. Good drainage is essential for Narrowpetal Thelypody to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Narrowpetal Thelypody?
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 Narrowpetal Thelypody?
Narrowpetal Thelypody can be propagated through seeds, division. Similar propagation techniques also apply to short-fruited thelypody plant care, which shares the same genus.
Is the Narrowpetal Thelypody Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Narrowpetal Thelypody, 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 Narrowpetal Thelypody?
Narrowpetal Thelypody is susceptible to aphids, cabbage worms, flea beetles. 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
Narrowpetal Thelypody 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 Thelypodium genus — compare its care with other Thelypodium species on PlantoScan.
Thelypodium is part of the Brassicaceae plant family — browse all Brassicaceae genera and species.
Narrowpetal Thelypody thrives in bright light and direct sun — see other bright-light plants.
More Thelypodium Species
Other Thelypodium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Thelypodium stenopetalum S.Watson, family Brassicaceae (first published in Proc. Amer. Acad. Arts 22: 468 (1887)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Narrowpetal Thelypody, 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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