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perennial

Gigante Cardoon

Cynara cardunculus 'Gigante'

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Gigante Cardoon (Cynara cardunculus 'Gigante') at Lakeshore Garden Centres

Gigante Cardoon

Gigante Cardoon

(Photo courtesy of NetPS Plant Finder)

Plant Height:  4 feet

Flower Height:  6 feet

Spread:  3 feet

Sunlight:  full sun 

Hardiness Zone:  8a

Other Names:  Artichoke Thistle

Description:

Splendid arching silvery, spiny foliage is an architectural delight in the garden; careful when handling the spiny foliage; leaf stalks and midribs are edible if blanched; perfect for containers or along borders

Ornamental Features

Gigante Cardoon features showy violet pincushion flowers rising above the foliage from late spring to early summer. The flowers are excellent for cutting. Its attractive spiny lobed leaves remain gray in colour with distinctive silver veins throughout the season.

Landscape Attributes

Gigante Cardoon is an 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 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 bees and butterflies to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Spiny
  • Self-Seeding

Gigante Cardoon is recommended for the following landscape applications;

  • Accent
  • Border Edging
  • General Garden Use
  • Herb Gardens

Planting & Growing

Gigante Cardoon will grow to be about 4 feet tall at maturity extending to 6 feet tall with the flowers, with a spread of 3 feet. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 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 should only be grown in full sunlight. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil pH, but grows best in rich soils. It is highly tolerant of urban pollution and will even thrive in inner city environments, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This is a selected variety of a species not originally from North America.

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
Characteristics
Accent  Edging  Garden  Herb 
Applications
Flowers  Foliage Color  Texture  Attracts Wildlife 
Ornamental Features