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perennial

Stoplight Foamy Bells

Heucherella 'Stoplight'

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Stoplight Foamy Bells (Heucherella 'Stoplight') at A Very Successful Garden Center

Stoplight Foamy Bells in bloom

Stoplight Foamy Bells in bloom

(Photo courtesy of NetPS Plant Finder)

Stoplight Foamy Bells (Heucherella 'Stoplight') at A Very Successful Garden Center

Stoplight Foamy Bells foliage

Stoplight Foamy Bells foliage

(Photo courtesy of NetPS Plant Finder)

Plant Height:  8 inches

Flower Height:  12 inches

Spacing:  10 inches

Sunlight:  partial shade  full shade 

Hardiness Zone:  4a

Description:

Bright yellow foliage progress to lime green with deep red centers in the hot summer months; sprays of creamy white flowers appear in the late spring and early summer; an excellent choice for beds, borders and containers

Ornamental Features

Stoplight Foamy Bells is primarily valued in the garden for its distinctive form, with the flower stalks towering over the foliage. It features dainty spikes of white bell-shaped flowers rising above the foliage from mid spring to mid summer. The flowers are excellent for cutting. Its attractive lobed leaves emerge yellow in spring, turning chartreuse in color with distinctive dark red veins the rest of the year. The black stems can be quite attractive.

Landscape Attributes

Stoplight Foamy Bells is a dense herbaceous evergreen perennial with tall flower stalks held atop a low mound of foliage. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

This is a relatively low maintenance plant, and should be cut back in late fall in preparation for winter. It is a good choice for attracting hummingbirds to your yard. It has no significant negative characteristics.

Stoplight Foamy Bells is recommended for the following landscape applications;

  • Mass Planting
  • Rock/Alpine Gardens
  • Border Edging
  • General Garden Use
  • Groundcover
  • Container Planting

Planting & Growing

Stoplight Foamy Bells will grow to be about 8 inches tall at maturity extending to 12 inches tall with the flowers, with a spread of 12 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 10 inches apart. Its foliage tends to remain low and dense right to the ground. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. As an evegreen perennial, this plant will typically keep its form and foliage year-round.

This plant does best in partial shade to shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. Consider covering it with a thick layer of mulch in winter to protect it in exposed locations or colder microclimates. This particular variety is an interspecific hybrid. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

Stoplight Foamy Bells is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. It is often used as a 'filler' in the 'spiller-thriller-filler' container combination, providing a mass of flowers and foliage against which the larger thriller plants stand out. 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
Characteristics
Massing  Rock  Edging  Garden  Groundcover  Container 
Applications
Flowers  Foliage Color  Plant Form  Bark  Attracts Wildlife 
Ornamental Features