Physocarpus – Coppertina® – Ninebark – Physocarpus opulifolius
Easy to grow summer color!
A new cross between Dart's Gold and Diabolo that flushes an attractive copper in spring and transforms to a rich red in summer. Soft pink flowers line the gently arching branches in early summer. This durable, cold-hardy plant does well in exposed sites. It was selected as the 2011 Cut Flower of the Year by the ASCFG.
Features
Easy to grow summer color!
A new cross between Dart's Gold and Diabolo that flushes an attractive copper in spring and transforms to a rich red in summer. Soft pink flowers line the gently arching branches in early summer. This durable, cold-hardy plant does well in exposed sites. It was selected as the 2011 Cut Flower of the Year by the ASCFG.
Drought Tolerant
Native to North America
Fall Interest
Foliage Interest
Maintenance Notes
Adaptable to difficult situations. Withstands acidic and alkaline soils. Medium moisture, can tolerate dry conditions once established. Best if pruned immediately after blooming. Best in open areas with good air circulation to prevent foliage problems. Will benefit from a good hard pruning as a young plant. Fertilize in early spring by applying a slow release fertilizer specialized for trees and shrubs. Follow the label for recommended rate of application.
Uses Notes
Great foliage stunner in the landscape. Good in groupings and mass planting, perennial and shrub borders. This is a very tough plant that is ideal for difficult sites.
Maintenance Category Moderate
Water Category Average
Blooms On Old Wood
Bloom Time
Flower Form Cut Flower, Landscape, Mass Planting
pH B - pH 5.8 - 6.2
EC (2:1 Extraction Method) 0.6 - 0.9
Fertilization 150 - 200
Light Requirements Medium, High
Water Requirements Moderate to Moist
Rooting Out Temperature 65 - 72° Fahrenheit
Growing On Temperature 60 - 65° Fahrenheit
Holding Temperature 40 - 50° Fahrenheit
Planting and Timing Information
Spring to Fall Finish, 1 ppp
Pinching and Growth Regulators
Frequent light pruning will produce a full bodied habit, similar to producing a Spiraea like mounding container.
Pest and Disease Management
Powdery Mildew and Fusarium can be problematic. Spider Mites are also common and should be treated as needed.
Grower Tips
Coppertina is showing more tolerance for high summer temps. The Fall color on this plant is outstanding, echoing the bright colors exhibited in the Spring.
Finishing cool outdoors will intensify foliage color. -plants will tend to defoliate when dried down manage moisture carefully.
