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Gentian Speedwell

Veronica gentianoides

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Gentian Speedwell (Veronica gentianoides) at Plants Unlimited

Gentian Speedwell flowers

Gentian Speedwell flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  8 inches

Flower Height:  16 inches

Spacing:  10 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  2a

Other Names:  Broadleaf Speedwell

Ornamental Features

Gentian Speedwell has masses of beautiful spikes of sky blue flowers rising above the foliage in late spring, which are most effective when planted in groupings. The flowers are excellent for cutting. Its glossy narrow leaves remain emerald green in color throughout the year. The fruit is not ornamentally significant.

Landscape Attributes

Gentian Speedwell is a dense 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, 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.

Gentian Speedwell is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use
  • Container Planting

Planting & Growing

Gentian Speedwell will grow to be about 8 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. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant does best in full sun to partial shade. It is very adaptable to both dry and moist locations, and should do just fine under typical garden conditions. 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 species is not originally from North America. It can be propagated by division.

Gentian 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  Garden  Container 
Applications
Flowers  Attracts Wildlife 
Ornamental Features

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