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Thundercloud Stonecrop

Sedum 'Thundercloud'

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Thundercloud Stonecrop (Sedum 'Thundercloud') at Ashcombe Farm & Greenhouses

Sedum 'Thundercloud' flowers

Sedum 'Thundercloud' flowers

(Photo courtesy of NetPS Plant Finder)

Thundercloud Stonecrop (Sedum 'Thundercloud') at Ashcombe Farm & Greenhouses

Sedum 'Thundercloud'

Sedum 'Thundercloud'

(Photo courtesy of NetPS Plant Finder)

Height:  10 inches

Spacing:  8 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  4a

Other Names:  Autumn Stonecrop, Showy Stonecrop

Description:

This variety has unique pointed grey-green foliage which emerges in spring on strongly mounded low domes and slowly expands to 10-12 inches; starry white flowers cover the mounds in late summer for a spectacular show in the garden, or along borders

Ornamental Features

Thundercloud Stonecrop has masses of beautiful clusters of white star-shaped flowers at the ends of the stems from late summer to early fall, which emerge from distinctive creamy white flower buds, and which are most effective when planted in groupings. The flowers are excellent for cutting. Its attractive succulent pointy leaves remain grayish green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Thundercloud Stonecrop is a dense herbaceous perennial with a mounded form. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting bees and butterflies to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. It has no significant negative characteristics.

Thundercloud Stonecrop is recommended for the following landscape applications;

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

Planting & Growing

Thundercloud Stonecrop will grow to be about 8 inches tall at maturity, with a spread of 10 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 8 inches apart. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 15 years.

This plant does best in full sun to partial shade. It is very adaptable to both dry and moist growing conditions, but will not tolerate any standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for a low-water garden or xeriscape application. It is not particular as to soil pH, but grows best in poor soils, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. 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.

Thundercloud Stonecrop 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 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  Texture  Winter Value  Attracts Wildlife 
Ornamental Features