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Summer Wine® Ninebark

Physocarpus opulifolius 'Seward'

  • Deep Wine-Purple Foliage Glows All Season Long with Delicate Pink Blooms
  • Cold Hardy: Thrives in Zones 3-7
  • Grows 6 ft Tall and Wide
  • Showy Pink, White Blooms From Late Spring to Early Summer
  • Excellent Privacy Screen or Hedge
Regular price $2093
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Plant Size

Specifications

Plant specifications
Plant Characteristics Cold hardy, Flowering, Attracts pollinators, Evergreen, Fragrant
Hardiness Zone 2a to 8b
Sunlight Full sun
Height 6 ft
Width 6 ft
Watering Needs Moderate
Preferred Soil Clay, Loamy, Sandy
Growth Rate Moderate
Growth Habit Bushy, Spreading, Upright
Blooms In Spring, Summer
Flower Color Pink, White
Foliage Color Purple
Suitable Space Indoors, Outdoors
Plant Name Ninebark
Botanical Name Physocarpus opulifolius 'Seward'
Species opulifolius
Cultivar Seward
Class Magnoliopsida, Rosales
Does Not Ship To AK, HI, ID, MT, PR

Frequently Asked Questions

What USDA planting zones is Summer Wine® Ninebark hardy in?

  • Summer Wine® Ninebark is hardy in USDA zones 3-7, making it extremely cold-tolerant. This tough shrub can handle harsh winters and is cold-hardy enough to overwinter in containers in most locations. Water deeply in late fall before freezes to help it through winter.

How do I prune Summer Wine® Ninebark without ruining its shape?

  • Prune Summer Wine® Ninebark immediately after spring flowering to maintain its compact, arching shape. Remove up to one-third of the oldest canes at ground level and lightly trim branch tips. This timing preserves next year's blooms while keeping the naturally tidy form that makes this variety so popular at Nature Hills.

Will it survive hot summers or extreme weather like heavy rain?

  • Summer Wine® Ninebark is extremely hardy and handles weather extremes well, including hot summers and heavy rain. This tough shrub thrives in challenging conditions once established. Ensure good drainage and deep watering during extended heat periods for best performance.

What is the size at maturity for height and spread?

  • Summer Wine® Ninebark reaches 4-5 feet tall and wide at maturity, forming a compact, rounded shrub. This tidy growth habit makes it perfect for smaller spaces while still providing excellent screening. Plant 5 feet apart center to center for mass plantings or hedging.

What are the soil requirements, like tolerance to clay or alkaline soils?

  • Summer Wine® Ninebark thrives in a wide range of soil conditions, including clay and alkaline soils. This adaptable shrub tolerates poor drainage better than most flowering shrubs. For best results, ensure decent drainage and shop at Nature Hills for healthy, field-grown plants.

How much water does it need, especially when first planted?

  • Summer Wine® Ninebark needs regular watering when first planted to establish its root system. Water deeply 2-3 times per week for the first growing season, then it becomes quite drought tolerant. Give it extra water in late fall before freezes if growing in containers.

What is the shipping schedule by growing zone?

  • Summer Wine® Ninebark ships according to your hardiness zone's optimal planting window to ensure successful establishment. Spring shipments typically begin in zones 3-4 during late April through May, while warmer zones receive plants earlier. Check your specific zone's shipping calendar online for exact dates and plan your planting site preparation accordingly.

Does it get diseases like powdery mildew, and how to prevent them?

  • Summer Wine® Ninebark is generally resistant to powdery mildew and other common diseases. Good air circulation and avoiding overhead watering help prevent any potential issues. Plant with adequate spacing and water at soil level rather than on the foliage.