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annual

Silver Stone Cushion Bush

Calocephalus brownii 'Silver Stone'

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Silver Stone Cushion Bush (Calocephalus brownii 'Silver Stone') at Snavely's Garden Corner

Silver Stone Cushion Bush foliage

Silver Stone Cushion Bush foliage

(Photo courtesy of NetPS Plant Finder)

Height:  12 inches

Spread:  12 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  (annual)

Other Names:  syn. Leucophyta brownii

Description:

This non-flowering variety has a compact , branching habit and soft stems with finely textured silver foliage; a fine contrasting addition to mixed containers or baskets, or mass in the garden for a stunning effect

Ornamental Features

Silver Stone Cushion Bush's attractive tiny scale-like leaves remain silver in color throughout the year. Neither the flowers nor the fruit are ornamentally significant.

Landscape Attributes

Silver Stone Cushion Bush is a multi-stemmed annual with a mounded form. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. It has no significant negative characteristics.

Silver Stone Cushion Bush is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • General Garden Use
  • Container Planting

Planting & Growing

Silver Stone Cushion Bush will grow to be about 12 inches tall at maturity, with a spread of 12 inches. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. Although it's not a true annual, this plant can be expected to behave as an annual in our climate if left outdoors over the winter, usually needing replacement the following year. As such, gardeners should take into consideration that it will perform differently than it would in its native habitat.

This plant does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH, and is able to handle environmental salt. It is somewhat tolerant of urban pollution. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This is a selected variety of a species not originally from North America.

Silver Stone Cushion Bush 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 canvas of foliage against which the 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
Accent  Massing  Garden  Container 
Applications
Foliage Color  Texture 
Ornamental Features

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