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perennial

Genti Blue Clustered Bellflower

Campanula glomerata 'Allgentibl'

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Genti Blue Clustered Bellflower (Campanula glomerata 'Allgentibl') at Lakeshore Garden Centres

Genti Blue Clustered Bellflower flowers

Genti Blue Clustered Bellflower flowers

(Photo courtesy of NetPS Plant Finder)

Height:  16 inches

Spacing:  16 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  4a

Brand:  Darwin Perennials

Description:

A mounded, compact variety producing clusters of star-shaped, violet-blue bell-shaped flowers on a tidy plant; great for containers, small beds, rock gardens, and along border fronts; prefers moist soil

Ornamental Features

Genti Blue Clustered Bellflower features showy clusters of violet bell-shaped flowers with blue overtones at the ends of the stems from late spring to early summer. The flowers are excellent for cutting. Its tomentose pointy leaves remain dark green in colour throughout the season.

Landscape Attributes

Genti Blue Clustered Bellflower is an herbaceous 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 plant will require occasional maintenance and upkeep, and should only be pruned after flowering to avoid removing any of the current season's flowers. It is a good choice for attracting hummingbirds 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.

Genti Blue Clustered Bellflower is recommended for the following landscape applications;

  • Mass Planting
  • Rock/Alpine Gardens
  • General Garden Use
  • Naturalizing And Woodland Gardens
  • Container Planting

Planting & Growing

Genti Blue Clustered Bellflower will grow to be about 14 inches tall at maturity, with a spread of 18 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 16 inches apart. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. 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 prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type, but has a definite preference for acidic soils. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selected variety of a species not originally from North America.

Genti Blue Clustered Bellflower 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. Be aware that in our climate, most plants cannot be expected to survive the winter if left in containers outdoors, and this plant is no exception. Contact our experts for more information on how to protect it over the winter months.

This plant is not reliably hardy in our region, and certain restrictions may apply; contact the store for more information.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Massing  Rock  Garden  Naturalizing  Container 
Applications
Flowers  Attracts Wildlife 
Ornamental Features