Photo: no rights reservedCC0 1.0via iNaturalist
Pacific Rose Plant Care
Rosa pisocarpa A.Gray
Updated · Sources · How we source care data
Rosa pisocarpa, also known as the clustered rose, is characterized by its unique cluster of small pink flowers and bright green foliage. Native to western North America, this plant is popular among enthusiasts for its delicate appearance and ability to attract pollinators.
Every 4–7 days
Bright indirect
60–75°F
40–70%
At a glance
How do you care for Pacific Rose?
Water Pacific Rose 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 Pacific Rose Native To?
What Is the Pacific Rose?
Pacific Rose (Rosa pisocarpa) belongs to the Rosaceae family within the Rosa genus. Pacific Rose is native to western North America from British Columbia to northern California. Pacific Rose is also known as Swamp Rose.
Pacific Rose displays a climbing, vining growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Pacific Rose produces the flowers of rosa pisocarpa are small and pink in color, blooming in clusters that add a charming touch to any garden setting..
Leaf size: approximately 3 inches.
How Often Should You Water a Pacific Rose?
Rosa pisocarpa 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 Pacific Rose Need?
Pacific Rose thrives in bright indirect light. Avoid placing Pacific Rose in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect
What Temperature and Humidity Does the Pacific Rose Prefer?
Rosa pisocarpa grows best at temperatures of 60–75°F. Pacific Rose prefers humidity levels of 40–70%.
Temperature
60–75°F
Humidity
40–70%
What Soil Mix Works Best for a Pacific Rose?
Well-draining mix with perlite and peat. Good drainage is essential for Pacific Rose to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Pacific Rose?
Feed Pacific Rose 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 Pacific Rose?
Repot Rosa pisocarpa every 2-3 years in early spring to refresh the soil and provide ample space for root 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 Pacific Rose?
Pacific Rose 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 Pacific Rose Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Pacific Rose, 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 Pacific Rose?
Pacific Rose 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 Pacific Rose Need?
Pacific Rose grows outdoors in USDA Zone 6a – 9b. It survives winters down to planting zone 6a. Pacific Rose is native to western North America from British Columbia to northern California.
Hardiness Zone
Zone 6a – 9b
Keep exploring plants
Pacific Rose 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.
Pacific Rose 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 pisocarpa A.Gray, family Rosaceae (first published in Proc. Amer. Acad. Arts 8: 382 (1870 publ. 1872)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Pacific Rose, 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: Public domain, CC0 1.0, iNaturalist — original.
- Hardiness zone: USDA Zone 6a – 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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