Roundleaf Smilax Plant Care
Smilax rotundifolia L.
Updated · Sources · How we source care data
Smilax rotundifolia, also known as roundleaf greenbrier or common greenbrier, or bamboo vine in parts of the South, is a woody vine native to the southeastern and eastern United States and eastern Canada. It is a common and conspicuous part of the natural forest ecosystems in much of its native range.
Partial to full shade
At a glance
How do you care for Roundleaf Smilax?
Roundleaf Smilax grows best in partial to full shade.
Where Is the Roundleaf Smilax Native To?
What Is the Roundleaf Smilax?
Roundleaf Smilax (Smilax rotundifolia) belongs to the Smilacaceae family within the Smilax genus. Roundleaf Smilax is native to the southeastern and eastern United States and eastern Canada. Roundleaf Smilax is also known as Broomvine, Wild Sarsaparilla.
Roundleaf Smilax displays a climbing vine growth habit, reaching up to tall with a spread of approximately . Roundleaf Smilax produces small, inconspicuous flowers in clusters.
What Light Does the Roundleaf Smilax Need?
Roundleaf Smilax thrives in partial to full shade. Avoid placing Roundleaf Smilax in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial to full shade
What Soil Mix Works Best for a Roundleaf Smilax?
Rich, well-draining soil with plenty of organic matter. Good drainage is essential for Roundleaf Smilax to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Roundleaf Smilax?
Repot every 2-3 years in 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 Roundleaf Smilax?
Roundleaf Smilax can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to bristleleaf smilax plant care, which shares the same genus.
Is the Roundleaf Smilax Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Roundleaf Smilax, 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 Roundleaf Smilax?
Roundleaf Smilax is susceptible to spider mites, scale insects, aphids. 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
Roundleaf Smilax 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 Smilax genus — compare its care with other Smilax species on PlantoScan.
Smilax is part of the Smilacaceae plant family — browse all Smilacaceae genera and species.
Roundleaf Smilax copes with lower light than most plants — browse the full list of low-light plants.
More Smilax Species
Other Smilax species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Smilax rotundifolia L., family Smilacaceae (first published in Sp. Pl. : 1030 (1753)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Roundleaf Smilax, 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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