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Mr. Mustard® False Spirea

Sorbaria sorbifolia 'SMNSSC'

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Mr. Mustard False Spirea (Sorbaria sorbifolia 'SMNSSC') at Woldhuis Farms Sunrise Greenhouses

Mr. Mustard® False Spirea foliage

(Photo courtesy of NetPS Plant Finder)

Mr. Mustard False Spirea (Sorbaria sorbifolia 'SMNSSC') at Woldhuis Farms Sunrise Greenhouses

Mr. Mustard® False Spirea foliage

(Photo courtesy of NetPS Plant Finder)

Height:  3 feet

Spread:  4 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  2a

Other Names:  Ural False Spirea, Ash Leaf Spirea

Brand:  Proven Winners


An extraordinarily colorful selection, presenting emerging foliage in melded shades of yellow, orange, red, pink, and lime green in spring; showy white plumes of flowers over mature green foliage in summer; an excellent low hedge or border accent

Ornamental Features

Mr. Mustard® False Spirea features airy plumes of white flowers rising above the foliage in early summer. It has attractive orange-variegated lime green foliage with hints of chartreuse which emerges brick red in spring. The textured pointy pinnately compound leaves are highly ornamental and turn an outstanding coppery-bronze in the fall. The dark red stems are very effective and add winter interest.

Landscape Attributes

Mr. Mustard® False Spirea is a multi-stemmed deciduous shrub with a more or less rounded form. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This shrub will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. It is a good choice for attracting bees and butterflies to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Suckering

Mr. Mustard® False Spirea is recommended for the following landscape applications;

  • Mass Planting
  • Hedges/Screening
  • General Garden Use
  • Groundcover
  • Naturalizing And Woodland Gardens
  • Container Planting

Planting & Growing

Mr. Mustard® False Spirea will grow to be about 3 feet tall at maturity, with a spread of 4 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 20 years.

This shrub does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. To help this plant achive its best flowering performance, periodically apply a flower-boosting fertilizer from early spring through into the active growing season. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This is a selected variety of a species not originally from North America.

Mr. Mustard® False Spirea makes a fine choice for the outdoor landscape, but it is also well-suited for use in outdoor pots and containers. Because of its height, it is often used as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when grown in a container, it may not perform exactly as indicated on the tag - this is to be expected. Also note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

Hardiness Zone Plant Height Minimum Sunlight
Massing  Screening  Garden  Groundcover  Naturalizing  Container 
Flowers  Foliage Color  Fall Color  Bark  Winter Value  Attracts Wildlife 
Ornamental Features