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- Different from other parsley as it is harvested for its root that is cooked as you would parsnips.
Non-GMO, Heirloom Hamburg Rooted Parsley Herb Garden Seed from True Leaf Market. Petroselinum crispum. This parsley is harvested for its root as a culinary herb. Cool perennial Parsley such as Hamburg Rooted herbs are in fact so popular for its cream-colored root, that it's also considered a tender vegetable! As Hamburg Rooted Parsley also produces edible deep-green leaves, this variety is best enjoyed when its root is cooked to perfection similar to parsnips.