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An old Victorian favourite, once grown as a vegetable and blanched for use rather like celery, the cardoon is now valued for its striking silvery, thistle-like foliage which adds a theatrical touch to the border. In summer, tall flower stems are topped by fat thistle buds which resemble small globe artichokes - the plants are close cousins. The buds finally open into large purple thistles which attract lots of bees; the dead flower-heads can be left on the plants and will provide an attractive feature over the winter months. The Royal Horticultural Society have given it the Award of Garden Merit (AGM).
Plant type: Hardy perennial
Flower colour: Purple
Foliage colour: Silver
Feature: Attractive seed-heads, Flowers, Dramatic foliage
Sun exposure: Full sun
Soil: Well-drained/light, Moist
Skill level: Beginner
Time to plant seeds: March to May
Time to divide plants: March to May
Flowering period: June to September
HI CAN YOU DRY A CARDOON FLOWER HEAD. THANKS
How long do globe artichokes last as vegetables before they need to be replaced? Mine have produced a mass of edible globes every year for 10 years, but this year few though the plants were strong . Is it just a bad year or should I replace with new stock?
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