perennial

Closed-Flower Hosta

Hosta clausa

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Closed-Flower Hosta (Hosta clausa) at Shelmerdine Garden Center

Closed-Flower Hosta flowers

Closed-Flower Hosta flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  8 inches

Flower Height:  20 inches

Spacing:  30 inches

Sunlight:  partial shade  full shade 

Hardiness Zone:  2a

Other Names:  Plantain Lily, Funkia

Ornamental Features

Closed-Flower Hosta has masses of beautiful spikes of plum purple trumpet-shaped flowers with fuchsia overtones rising above the foliage in mid summer, which emerge from distinctive purple flower buds, and which are most effective when planted in groupings. Its small heart-shaped leaves remain emerald green in colour throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Closed-Flower Hosta is a dense herbaceous perennial with tall flower stalks held atop a low mound of foliage. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This plant will require occasional maintenance and upkeep, and is best cleaned up in early spring before it resumes active growth for the season. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Spreading

Closed-Flower Hosta is recommended for the following landscape applications;

  • Mass Planting
  • Border Edging
  • General Garden Use
  • Groundcover

Planting & Growing

Closed-Flower Hosta will grow to be about 8 inches tall at maturity extending to 20 inches tall with the flowers, with a spread of 3 feet. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 30 inches apart. Its foliage tends to remain low and dense right to the ground. It grows at a slow rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant does best in partial shade to 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 or pH. It is somewhat tolerant of urban pollution. This species is not originally from North America. It can be propagated by division.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Edging  Garden  Groundcover 
Applications
Flowers  Texture  Plant Form 
Ornamental Features

Hours of Inspiration

Monday – Wednesday 9am-5pm
Thursday & Friday 9am-6pm
Saturday 9am-5pm
Sunday 12pm-5pm

Shelmerdine Garden Centre Ltd.

7800 Roblin Boulevard
Headingley, MB R4H 1B6

Phone: 204.895.7203
Fax: 204.895.4372
Email: info@shelmerdine.com