Hint #1: several clues are hinting at hurricanes - focus particularly on the clue for 42A
Hint #2: there are 7 retired hurricane names that begin with the letter i hidden in the grid
Hint #3: these 7 hurricanes are found in the grid with an additional first letter attached to it... what should we do with this extra letter?
Hint #4: 26D alludes to alliteration
Hint #5: all 26 letters are represented in the clues in terms of alliteration... locate the 7 examples that we need that correspond to the extra letter you extracted
Hint #6: arrange the hurricanes in chronological order
Hint #7: the seven letter word that you end up with is a vegetable variety... apply the title of the puzzle to get a six letter name