Mexican Oak Plant Care

Shinnersia rivularis (A.Gray) R.M.King & H.Rob.

Updated · Sources · How we source care data

Shinnersia rivularis, known as the Rio Grande bugheal or Mexican oak leaf plant, is an aquatic plant native to Texas, Coahuila, and Nuevo León.

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Full sun to partial shade

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How do you care for Mexican Oak?

Mexican Oak grows best in full sun to partial shade.

Where Is the Mexican Oak Native To?

Native range2 countries

What Is the Mexican Oak?

Mexican Oak (Shinnersia rivularis) belongs to the Asteraceae family within the Shinnersia genus. Mexican Oak is native to Texas, Coahuila, and Nuevo León. Mexican Oak is also known as Mexican Water Oak, River Shinnersia.

Mexican Oak displays a low rosette, spreading ground cover growth habit, reaching up to tall with a spread of approximately . Mexican Oak produces small daisy-like flowers in various colors.

What Light Does the Mexican Oak Need?

Mexican Oak thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Soil Mix Works Best for a Mexican Oak?

Well-draining, loamy soil with added organic matter like compost. Good drainage is essential for Mexican Oak to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Mexican Oak?

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 Mexican Oak?

Mexican Oak can be propagated through seeds, division of clumps.

Is the Mexican Oak Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Mexican Oak, 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 Mexican Oak?

Mexican Oak is susceptible to aphids, whiteflies, 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

Mexican Oak 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 Shinnersia genus — compare its care with other Shinnersia species on PlantoScan.

Shinnersia is part of the Asteraceae plant family — browse all Asteraceae genera and species.

Mexican Oak 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: Shinnersia rivularis (A.Gray) R.M.King & H.Rob., family Asteraceae (first published in Phytologia 19(5): 297 (1970)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Mexican Oak, 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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