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perennial

String Of Buttons

Crassula perforata

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String Of Buttons (Crassula perforata) at Echter's Nursery & Garden Center

String Of Buttons

String Of Buttons

(Photo courtesy of NetPS Plant Finder)

Height:  20 inches

Spread:  3 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  8b

Other Names:  Necklace Vine

Description:

A low-rising variety with interesting, stacked blue-green foliage, that develops red edges and spots; very drought-tolerant and does well in poor soils; clusters of pale yellow flowers in spring; an excellent choice for containers and rock gardens

Ornamental Features

String Of Buttons features showy corymbs of yellow star-shaped flowers rising above the foliage in mid spring. The flowers are excellent for cutting. Its attractive succulent round leaves remain bluish-green in color with distinctive red edges and tinges of orange throughout the year. The fruit is not ornamentally significant.

Landscape Attributes

String Of Buttons is an herbaceous evergreen perennial with an upright spreading habit of growth. 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. Trim off the flower heads after they fade and die to encourage more blooms late into 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.

String Of Buttons is recommended for the following landscape applications;

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

Planting & Growing

String Of Buttons will grow to be about 18 inches tall at maturity, with a spread of 3 feet. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. It grows at a slow 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 prefers dry to average moisture levels with very well-drained soil, and will often die in 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 species is not originally from North America, and parts of it are known to be toxic to humans and animals, so care should be exercised in planting it around children and pets. It can be propagated by division.

String Of Buttons is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use 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. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden. Be aware that in our climate, this plant may be too tender to survive the winter if left outdoors in a container. Contact our store for more information on how to protect it over the winter months.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Rock  Garden  Groundcover  Container 
Applications
Flowers  Foliage Color  Attracts Wildlife 
Ornamental Features

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