Panamanian Greenbriar Plant Care
Smilax chiriquensis C.V.Morton
Updated · Sources · How we source care data
This plant's shiny, heart-shaped leaves are its most distinctive feature. Hailing from Central America, specifically Panama, Smilax chiriquensis is sought after by plant collectors for its attractive foliage and ability to climb fences or trellises in a garden setting.
Every 7–14 days
Partial to full shade
65–80°F
50–70%
At a glance
How do you care for Panamanian Greenbriar?
Water Panamanian Greenbriar every 7–14 days, letting the top layer of soil dry out between waterings, and give it partial to full shade. It prefers temperatures of 65–80°F (18–27°C) and 50–70% humidity. Fertilize it every 2 months during the growing season.
Where Is the Panamanian Greenbriar Native To?
What Is the Panamanian Greenbriar?
Panamanian Greenbriar (Smilax chiriquensis) belongs to the Smilacaceae family within the Smilax genus. Panamanian Greenbriar is native to southern Central America and northwest South America.
Panamanian Greenbriar displays a climbing vine growth habit, reaching up to 10 ft tall with a spread of approximately 5 ft. Panamanian Greenbriar produces small, inconspicuous flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Panamanian Greenbriar?
Smilax chiriquensis requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Panamanian Greenbriar Need?
Panamanian Greenbriar thrives in partial to full shade. Avoid placing Panamanian Greenbriar in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial to full shade
What Temperature and Humidity Does the Panamanian Greenbriar Prefer?
Smilax chiriquensis grows best at temperatures of 65–80°F. Panamanian Greenbriar prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Panamanian Greenbriar?
Rich, well-draining soil with plenty of organic matter. Good drainage is essential for Panamanian Greenbriar to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Panamanian Greenbriar?
Feed Panamanian Greenbriar every 2 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 2 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Panamanian Greenbriar?
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 Panamanian Greenbriar?
Panamanian Greenbriar 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 Panamanian Greenbriar Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Panamanian Greenbriar, 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 Panamanian Greenbriar?
Panamanian Greenbriar 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
Panamanian Greenbriar 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.
Panamanian Greenbriar 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 chiriquensis C.V.Morton, family Smilacaceae (first published in Ann. Missouri Bot. Gard. 29: 326 (1942)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Panamanian Greenbriar, 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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