Botanical name: Cynara cardunculus
Other names: Globe artichoke, Cardoon, Prickly artichoke
Species: C. cardunculus - C. cardunculus is a perennial with silvery, thistle-like foliage and tall flower stems are topped by fat thistle-like buds which resemble small globe artichokes in summer.
Cynara cardunculus is: Deciduous
Flower: Purple in Summer; Purple in Autumn
Foliage: Grey-green in Summer
Habit: Clump-forming, Upright
Awards: RHS AGM (Award of Garden Merit)
Pruning: If you want this plant only for its foliage, cut down flower stems as they emerge in summer. . REGISTER to read more...
Propagation methods: Division, Seed, Root cuttings. REGISTER to read more...
Cynara cardunculus (Globe artichoke) will reach a height of 2.5m and a spread of 1.5m after 2-5 years.
Suggested uses: Architectural, Beds and borders, Bees (attract & feed bees), Cottage/Informal, Flower Arranging, Wildlife
Cultivation: Plant in a fertile, well-drained soil in full sun and protect from strong winds. In very cold winters, apply a dry mulch around the plant.
Soil type: Chalky, Loamy, Sandy
Soil drainage: Well-drained
Soil pH: Acid, Alkaline, Neutral
Light: Full Sun
Aspect: South, East, West
Hardiness: Hardy (H4)
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I feed my Cynara botH a liquid seaweed feed and also a top dressing however most leaves are showing severe yellowing. I thought it must be due to a trace element deficiency which is odd as the soil is fresh top soil, not even a year old mixed with a soil conditioner and I would have thought there would be enough nutrients.
are they hungry plants and is the yellowing due to Magnesium deficiency or some other nutrient? What should I be feeding it?
Once, the leaf-stalks and young shoots were blanched and eaten like celery in salads, soups and stews. Like other members of the thistle family, it is much visited by a variety of insects.
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