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perennial

Schwellenburg Yarrow*

Achillea millefolium 'Schwellenberg'

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Schwellenburg Yarrow (Achillea millefolium 'Schwellenberg') at Stonegate Gardens

Schwellenburg Yarrow flowers

Schwellenburg Yarrow flowers

(Photo courtesy of V. Trattar)

* This is a "special order" plant - contact store for details

Height:  24 inches

Spread:  24 inches

Sunlight:  full sun 

Hardiness Zone:  3b

Description:

Deep-gold flowers and feathery silver foliage top this well-branched and compact perennial; combines the best of two yarrow's, 'Coronation Gold's flowers and 'Moonshine's foliage; thrives in infertile, poor soil

Ornamental Features

Schwellenburg Yarrow is covered in stunning gold flat-top flowers at the ends of the stems from early to late summer. The flowers are excellent for cutting. Its attractive tomentose ferny leaves remain grayish green in color throughout the season.

Landscape Attributes

Schwellenburg Yarrow is an herbaceous perennial with a ground-hugging habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This is a high maintenance plant that will require regular care and upkeep, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting bees, butterflies and hummingbirds to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Spreading
  • Self-Seeding

Schwellenburg Yarrow is recommended for the following landscape applications;

  • Mass Planting
  • Border Edging
  • General Garden Use
  • Groundcover
  • Naturalizing And Woodland Gardens
  • Container Planting

Planting & Growing

Schwellenburg Yarrow will grow to be about 24 inches tall at maturity, with a spread of 24 inches. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!

This plant should only be grown in full sunlight. It prefers to grow in average to dry locations, and dislikes excessive moisture. 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. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selection of a native North American species. 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.

Schwellenburg Yarrow is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. Because of its spreading habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it can spill gracefully over the pot. It is even sizeable enough that it can be grown alone in a suitable container. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

 

* This is a "special order" plant - contact store for details

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

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