An interspecific hybrid plant derived from a cross between an Allium ampeloprasum plant and an Allium sativum plant, wherein said hybrid plant is capable of producing seed and contains nuclear genomic material derived from both said Allium ampeloprasum plant and said Allium sativum plant, wherein said interspecific hybrid plant contains at least 250 mg/kg of allicin when determined in they white part of they leaf sheet of the plant and further wherein said interspecific hybrid plant is obtainable from an interspecific hybrid plant as deposited under accession number NCIMB 42564.