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Cynara cardunculus

Cynara cardunculus

Description: A majestic plant for a large space only so it is not out of scale.  The large greyish silver leaves are deeply cut and up to 1 metre in length. The large and decorative purple thistle flowers are produced on tall heavy stems and attract insects into the garden.

Uses: In large borders and herbaceous beds or as a specimen or focal point for summer interest.

Climate/Position: Sunny position required for best effect

Height/Spread: 2.5 metres x 2 metre spread

Soil Requirements: Rich well drained soils preferred.

Pruning: The stems and thistle heads remain decorative in autumn so cut down the large flower stems in late autumn or winter when they are starting to collapse.

Special Requirements: In colder regions cover the crowns in winter for protection.

Additional Interest: Used to be grown as a vegetable with the leaves blanched and eaten when young. Now generally grown only as a decorative plant.