Giant Rose Plant Care
Rosa gigantea Collett ex Crép.
Updated · Sources · How we source care data
With its large, glossy, deep green leaves, Rosa gigantea is a stunning climbing rose native to the Himalayas. This plant's impressive size and fragrant, creamy white flowers make it a coveted addition to any garden, especially for collectors seeking unique and exotic specimens.
Every 4–7 days
Bright indirect
60–75°F
40–70%
At a glance
How do you care for Giant Rose?
Water Giant 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.
What Is the Giant Rose?
Giant Rose (Rosa gigantea) belongs to the Rosaceae family within the Rosa genus. Giant Rose is native to northeast India, northern Myanmar and southwest China (Yunnan) in the foothills of the Himalaya at 1000–1500 m altitude.
Giant Rose displays a climbing, vining growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Giant Rose produces none.
Leaf size: approximately 3 inches.
How Often Should You Water a Giant Rose?
Rosa gigantea 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 Giant Rose Need?
Giant Rose thrives in bright indirect light. Avoid placing Giant Rose in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect
What Temperature and Humidity Does the Giant Rose Prefer?
Rosa gigantea grows best at temperatures of 60–75°F. Giant Rose prefers humidity levels of 40–70%.
Temperature
60–75°F
Humidity
40–70%
What Soil Mix Works Best for a Giant Rose?
Well-draining mix with perlite and peat. Good drainage is essential for Giant Rose to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Giant Rose?
Feed Giant 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 Giant Rose?
Repot Rosa gigantea every 2-3 years in well-draining soil during the spring months.. 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 Giant Rose?
Giant 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 Giant Rose Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Giant 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 Giant Rose?
Giant 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 Giant Rose Need?
Giant Rose grows outdoors in USDA Zone 8b – 10b. It survives winters down to planting zone 8b. Giant Rose is native to northeast India, northern Myanmar and southwest China (Yunnan) in the foothills of the Himalaya at 1000–1500 m altitude.
Hardiness Zone
Zone 8b – 10b
Keep exploring plants
Giant 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.
Giant 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 gigantea Collett ex Crép., family Rosaceae (first published in Bull. Soc. Roy. Bot. Belgique 27: 148 (1888)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Giant 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.
- Hardiness zone: USDA Zone 8b – 10b, 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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