A large thistle-like plant that is grown as an ornamental or an vegetable.
Plant Type
All Plants, Perennial Tender
Hardiness Zone
7-10
Sunlight
full
Moisture
Grown as a vegetable it needs even moisture to maintain a good quality. As an ornamental, average moisture with additional moisture during dry spells will suffice.
Soil & Site
Will grow on a wide range of soils, but prefers a deep, fertile, well-drained soil. The plant is deep rooted and should be planted on soils that provide adequate area for root development.
Temperature
Top kills at around 28-30 degrees fahrenheit.
Flowers
lavender purple flowers
Leaves
Looks like a gigantic thistle with large, deeply cut gray leaves.
Dimensions
Reaches up to 6 feet high and equal spread if given optimal growing conditions. I have had it reach 3-4 by 3-4 feet in my gardens (zone #5).
Propagation
seeds, division and root cuttings
Misc Facts
The most popular way to prepare it is to cook the leaves and tender stalks together. Cardoon may also be eaten fresh and uncooked in salads. Some say it has gentle laxative properties. A favorite plant of the Mediterranean region.