Small-flowered Sweet Briar (Rosa micrantha)

Photo: Mehdi ChetibiCC BY 4.0via iNaturalistresized / cropped

Small-flowered Sweet Briar Plant Care

Rosa micrantha Borrer

Updated · Sources · How we source care data

Rosa micrantha is a unique species known for its delicate pink flowers and distinctive fern-like foliage, making it a standout in any garden. Originally from North America, this plant thrives in sunny habitats and is popular among plant enthusiasts for its elegant appearance.

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Water

Every 4–7 days

Light

Bright indirect

Temp

60–75°F

Humidity

40–70%

At a glance

How do you care for Small-flowered Sweet Briar?

Water Small-flowered Sweet Briar every 4–7 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 60–75°F (16–24°C) and 40–70% humidity. Fertilize it every 4 months during the growing season.

Where Is the Small-flowered Sweet Briar Native To?

Native range102 countries

What Is the Small-flowered Sweet Briar?

Small-flowered Sweet Briar (Rosa micrantha) belongs to the Rosaceae family within the Rosa genus. Small-flowered Sweet Briar is native to most of Europe, the Atlas Mountains of Africa, the Caucasus region, Turkey, Lebanon, and Syria, and it has been introduced to eastern North America, Argentina, and New Zealand. Small-flowered Sweet Briar is also known as Small-flowered Rose.

Small-flowered Sweet Briar displays a climbing, vining growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Small-flowered Sweet Briar produces delicate pink flowers with a sweet fragrance bloom on rosa micrantha, adding a touch of charm to any garden setting..

Leaf size: approximately 3 inches.

How Often Should You Water a Small-flowered Sweet Briar?

Rosa micrantha requires watering every 4–7 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 4–7 days

Let soil partially dry between waterings

What Light Does the Small-flowered Sweet Briar Need?

Small-flowered Sweet Briar thrives in bright indirect light. Avoid placing Small-flowered Sweet Briar in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect

What Temperature and Humidity Does the Small-flowered Sweet Briar Prefer?

Rosa micrantha grows best at temperatures of 60–75°F. Small-flowered Sweet Briar prefers humidity levels of 40–70%.

Temperature

60–75°F

Humidity

40–70%

What Soil Mix Works Best for a Small-flowered Sweet Briar?

Well-draining mix with perlite and peat. Good drainage is essential for Small-flowered Sweet Briar to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Small-flowered Sweet Briar?

Feed Small-flowered Sweet Briar every 4 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 4 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 Small-flowered Sweet Briar?

Repot Rosa micrantha every 1-2 years in well-draining soil during the spring to encourage healthy growth.. 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 Small-flowered Sweet Briar?

Small-flowered Sweet Briar can be propagated through stem cuttings or division. Similar propagation techniques also apply to rose bush plant care, which shares the same genus.

Is the Small-flowered Sweet Briar Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Small-flowered Sweet Briar, 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 Small-flowered Sweet Briar?

Small-flowered Sweet Briar is susceptible to mealybugs, 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.

What USDA Hardiness Zone Does the Small-flowered Sweet Briar Need?

Small-flowered Sweet Briar grows outdoors in USDA Zone 5a – 9b. It survives winters down to planting zone 5a. Small-flowered Sweet Briar is native to most of Europe, the Atlas Mountains of Africa, the Caucasus region, Turkey, Lebanon, and Syria, and it has been introduced to eastern North America, Argentina, and New Zealand.

Hardiness Zone

Zone 5a – 9b

Keep exploring plants

Small-flowered Sweet Briar 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 Rosa genus — compare its care with other Rosa species on PlantoScan.

Rosa is part of the Rosaceae plant family — browse all Rosaceae genera and species.

Small-flowered Sweet Briar thrives in bright light and direct sun — see other bright-light plants.

More Rosa Species

Other Rosa species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Rosa micrantha Borrer, family Rosaceae (first published in Engl. Bot. 35: t. 2490. 1813 [1 Aug 1812-1 Mar 1813]) — World Flora Online record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Small-flowered Sweet Briar, 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.
  • Photo: Mehdi Chetibi, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 5a – 9b, estimated from the plant's typical growing conditions.
  • 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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