annual

Cora Canna

Canna 'Cora'

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Cora Canna (Canna 'Cora') at Shelmerdine Garden Center

Cora Canna flowers

Cora Canna flowers

(Photo courtesy of NetPS Plant Finder)

Height:  5 feet

Spread:  24 inches

Sunlight:  full sun 

Hardiness Zone:  (annual)

Ornamental Features

Cora Canna features bold spikes of creamy white orchid-like flowers at the ends of the stems from early summer to late fall. Its enormous glossy pointy leaves remain dark green in colour throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Cora Canna is an herbaceous annual with a rigidly upright and towering form. Its wonderfully bold, coarse texture can be very effective in a balanced garden composition.

This is a high maintenance plant that will require regular care and upkeep, and should be cut back in late fall in preparation for winter. It is a good choice for attracting hummingbirds to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Insects

Cora Canna is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • General Garden Use
  • Container Planting
  • Bog Gardens

Planting & Growing

Cora Canna will grow to be about 4 feet tall at maturity, with a spread of 24 inches. It has a low canopy with a typical clearance of 1 foot from the ground. Although it's not a true annual, this fast-growing plant can be expected to behave as an annual in our climate if left outdoors over the winter, usually needing replacement the following year. As such, gardeners should take into consideration that it will perform differently than it would in its native habitat.

This plant should only be grown in full sunlight. It prefers to grow in moist to wet soil, and will even tolerate some standing water. 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. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. 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.

Cora Canna is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. 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
Accent  Massing  Garden  Container  Bog 
Applications
Flowers  Texture  Plant Form  Attracts Wildlife 
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