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a farmer digs up Jerusalem artichoke or an earthen pear. a perennial herbaceous tuberous plant of the genus Sunflower of the family Asteraceae. Farmer gardener harvesting Jerusalem artichoke ...

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.

A tall, herbaceous perennial reaching 2.5m tall or more, with coarse hairy foliage and small, yellow sunflower-like flowers in summer. It is cultivated for its knobbly, elongated pale-cream or ...