perennial

Darwin's Blue Speedwell

Veronica 'Darwin's Blue'

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Darwin's Blue Speedwell (Veronica 'Darwin's Blue') at Lurvey Garden Center

Darwin's Blue Speedwell flowers

Darwin's Blue Speedwell flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  10 inches

Flower Height:  16 inches

Spacing:  10 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  4

Ornamental Features

Darwin's Blue Speedwell has masses of beautiful spikes of royal blue flowers with purple overtones rising above the foliage from early to late summer, which are most effective when planted in groupings. The flowers are excellent for cutting. Its glossy narrow leaves remain dark green in color throughout the season.

Landscape Attributes

Darwin's Blue Speedwell is a dense herbaceous perennial with an upright spreading habit of growth. 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 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.

Darwin's Blue Speedwell is recommended for the following landscape applications;

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

Planting & Growing

Darwin's Blue Speedwell will grow to be about 10 inches tall at maturity extending to 16 inches tall with the flowers, with a spread of 12 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 10 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 8 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 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 type or pH. 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.

Darwin's Blue Speedwell 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 against which the larger 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  Attracts Wildlife 
Ornamental Features