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Heucherella Onyx 1 gallon

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Plant height:  10 inches

Flower Height:  15 inches

Spacing:  12 inches

Sunlight:  partial shade  full shade full shade or afternoon shade

Hardiness Zone:  4a

Brand:  Terra Nova

Description:

Dainty spikes of white bells rise from a medium-sized mound of glossy, true black, deeply cut leaves; presents amazing contrast to other plants and has great versatility; great foliage for mixed containers

Ornamental Features

Onyx Foamy Bells feature dainty spikes of white bell-shaped flowers rising above the foliage from early to mid-summer. The flowers are excellent for cutting. Its attractive deeply cut lobed leaves emerge burgundy in spring, turning black in colour with curious burgundy undersides and tinges of plum purple the rest of the year. The fruit is not ornamentally significant. The black stems can be quite attractive.

Landscape Attributes

Onyx Foamy Bells is a dense herbaceous evergreen perennial with tall flower stalks held atop a low mound of foliage. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

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.

Onyx Foamy Bells is recommended for the following landscape applications;

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

Planting & Growing

Onyx Foamy Bells will grow to be about 10 inches tall at maturity extending to 15 inches tall with the flowers, with a spread of 16 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 12 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.

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.

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