“Citrus is competitive,” says citrus breeder and geneticist Fred Gmitter, explaining how global researchers race to develop, say, mandarin oranges that are sweeter, seedless, and easier to peel.

Wondering why “mikan” mandarin oranges are so expensive this winter? Blame the scorching heat of summer and an insect infestation that pushed wholesale prices to one of their highest levels ever.

Unless you’re prepared to risk an unlucky 12 months ahead, you can’t celebrate the Lunar New Year without mandarin oranges. But what if you have loads left once the festivities are over?