Info
Botanical Name: Physocarpus opulifolius
Family: Rosaceae
Common Names: Ninebark, Eastern Ninebark, Atlantic Ninebark
Ninebark is a deciduous shrub native to North America, known for its attractive foliage, peeling bark, and clusters of small, white or pink flowers. It is an adaptable and low-maintenance plant that thrives in various conditions, making it a popular choice for gardens and landscapes.
Plantation
When to Plant: Plant Ninebark in early spring or fall for the best results.
Site Selection: Choose a site with well-draining soil and full sun to partial shade.
Spacing: Space plants 5 to 8 feet apart to allow for growth and air circulation.
Soil: Ninebark prefers slightly acidic to neutral soil (pH 6.0-7.0) but can tolerate a range of soil types, including clay, loam, and sandy soils.
Growing
Watering: Water newly planted Ninebark regularly during the first growing season, and then reduce watering as the plant becomes established.
Fertilizing: Apply a balanced, slow-release fertilizer in early spring to promote healthy growth.
Pruning: Prune Ninebark in late winter or early spring to maintain its shape and remove any dead or damaged wood.
Care
Pest and Disease Control: Ninebark is generally resistant to pests and diseases. Monitor for aphids, scale insects, and powdery mildew, and treat as needed.
Mulching: Apply a 2-3 inch layer of organic mulch around the base of the plant to conserve moisture and suppress weeds.
Winter Care: Ninebark is cold hardy and requires little winter care. In colder regions, consider wrapping the base of the plant with burlap to protect it from harsh winds and extreme temperatures.
Benefits
Ornamental Value: Ninebark's attractive foliage, peeling bark, and flowers make it a visually appealing addition to gardens and landscapes.
Wildlife Habitat: The flowers attract pollinators such as bees and butterflies, while the seeds provide food for birds.
Erosion Control: Ninebark's extensive root system makes it an effective plant for stabilizing slopes and preventing soil erosion.
Low-Maintenance: This hardy shrub requires minimal care, making it an excellent choice for low-maintenance landscapes and busy gardeners.