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PlantSnap
Plant Care
Ninebark
(Physocarpus opulifolius)
Also Known As
Ninebark, Ninebark spiraea, Common ninebark
About This Plant
Physocarpus opulifolius is a deciduous shrub with a multi-stemmed, upright habit. It has green leaves that turn red or yellow in the fall. The plant produces clusters of small white or pink flowers in the spring and summer, which are followed by small, red fruit in the fall.
Plant Care Instructions
Outdoor Size Range
6-10 feet (1.8-3 meters) tall and wide
Light Requirements
Full sun to partial shade. At least 6 hours of direct sunlight per day is ideal.
Humidity Needs
Prefers average to high humidity levels.
Fertilizing Schedule
Fertilize in the spring with a slow-release fertilizer formulated for shrubs.
Pruning Guidelines
Prune in late winter or early spring to remove dead or damaged wood and to shape the plant. Can be pruned to the ground every few years to rejuvenate growth.
Common Pests and Diseases
Common pests include aphids, spider mites, and scale insects. Diseases such as powdery mildew and leaf spot may also occur.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
Regular watering is necessary for the first year of growth. After that, the plant is drought tolerant and only needs watering during prolonged dry spells.
Temperature Range
Hardy in USDA zones 2-8, Physocarpus opulifolius can tolerate a wide range of temperatures.
Growing Season
Late spring to early fall.
Growing Difficulty Level
Physocarpus opulifolius is relatively easy to grow and maintain.
USDA Hardiness Zones
2-8
Did You Know?
The bark of the Ninebark plant was used by Native Americans to make a medicinal tea to treat a variety of ailments, including coughs, colds, and skin irritations.
