Ross's avens Plant Care

Geum rossii Ser.

Updated · Sources · How we source care data

Geum rossii is a species of flowering plant in the rose family known by the common names Ross' avens and alpine avens. It is native to North America where its distribution spans northern Canada and the high mountains of the western United States.

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Water

Every 7–10 days

Light

Full sun to part shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Ross's avens?

Water Ross's avens every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.

Where Is the Ross's avens Native To?

Native range3 countries

What Is the Ross's avens?

Ross's avens (Geum rossii) belongs to the Rosaceae family within the Geum genus. Ross's avens is native to North America. Ross's avens is also known as Alpine avens.

Ross's avens displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Ross's avens produces single or double flowers in various colors like red, orange, yellow, or white.

Leaf size: approximately 4 inches.

How Often Should You Water a Ross's avens?

Geum rossii requires watering every 7–10 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 7–10 days

Let soil partially dry between waterings

What Light Does the Ross's avens Need?

Ross's avens thrives in full sun to part shade.

Light Requirement

Full sun to part shade

What Temperature and Humidity Does the Ross's avens Prefer?

Geum rossii grows best at temperatures of 50–75°F. Ross's avens prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Ross's avens?

Well-draining, fertile loamy soil with added compost. Good drainage is essential for Ross's avens to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Ross's avens?

Feed Ross's avens every 6 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 6 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 Ross's avens?

Divide and repot every 2-3 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 Ross's avens?

Ross's avens can be propagated through division, seeds. Similar propagation techniques also apply to creeping avens plant care, which shares the same genus.

Is the Ross's avens Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Ross's avens, 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 Ross's avens?

Ross's avens is susceptible to aphids, spider mites, slugs. 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 Ross's avens Need?

Ross's avens grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Ross's avens is native to North America. In cooler regions, grow Ross's avens as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Ross's avens 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 Geum genus — compare its care with other Geum species on PlantoScan.

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

Ross's avens thrives in bright light and direct sun — see other bright-light plants.

More Geum Species

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

Sources

  • Scientific name & taxonomy: Geum rossii Ser., family Rosaceae (first published in Prodr. 2: 553 (1825)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Ross's avens, 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.
  • Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
  • 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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