A new and distinct grapevine variety is characterized in that it produces a large sized, green, oval berry with a large bunch size. The berries of ‘Sugrafortytwo’ are firm, very juicy, have high sugar content and a fruity flavor. Ripening of the new variety takes place about 1 month earlier than the comparable variety ‘Sugrathirtyfive’ (U.S. Plant Pat. No. 20,491) but the berry has similar shape and appearance. The new variety has an oval berry shape compared to the elongated shape for the comparable variety Thompson (unpatented), with similar ripening.
