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PlantSnap
Plant Care
Harsh downy rose
(Rosa tomentosa)
Also Known As
Harsh downy rose, Hairy rose, Woolly rose, Tomentose rose, Brambles
About This Plant
Rosa tomentosa is a deciduous shrub with prickly stems and leaves that are covered in soft hairs. It produces fragrant pink flowers in the summer and fall, followed by red hips that persist into the winter. The plant is known for its medicinal properties and is used in traditional medicine to treat a variety of ailments.
Plant Care Instructions
Outdoor Size Range
3-6 feet (0.9-1.8 meters)
Light Requirements
Rosa tomentosa prefers full sun to partial shade. It requires at least 6 hours of direct sunlight per day.
Humidity Needs
Rosa tomentosa prefers moderate humidity levels, but can tolerate drier conditions.
Fertilizing Schedule
Fertilize the plant in the spring with a balanced fertilizer. Apply according to package instructions.
Pruning Guidelines
Prune the plant in late winter or early spring before new growth emerges. Remove any dead or diseased wood and shape the plant as desired.
Common Pests and Diseases
Common pests include aphids, spider mites, and Japanese beetles. Diseases include black spot and powdery mildew.
Indoor Size Range
N/A
Watering Schedule
The plant prefers well-draining soil that is kept consistently moist but not waterlogged. Water deeply once a week in the absence of rainfall.
Temperature Range
The plant is hardy in USDA zones 5-9 and can tolerate a wide range of temperatures, from -20°F to 110°F (-29°C to 43°C).
Growing Season
The plant blooms from summer to fall.
Growing Difficulty Level
Rosa tomentosa is relatively easy to grow and requires minimal maintenance.
USDA Hardiness Zones
5-9
Did You Know?
Rosa tomentosa is also known as the Harison's Yellow rose, named after its discoverer, George Folliott Harison.
