Choose vibrant green, tight-leafed buds (the smallest are the most tender) and prep by removing the outer leaves and trimming the stem.
Pick tightly packed heads that are heavy for their size, and look for an unblemished head with a crack-free stem.
The jolly giant of citrus should have firm, smooth and bright skin and be springy to the touch when you squeeze it.
These onion-family members look forbidding but are easy to handle; a little trimming and a thorough cleaning will get you to the good stuff.
This fruit is best from November through January. Avoid rock-hard fruit, because they won't ripen further once they've been picked.
MORE WINTER PRODUCE
You should also keep an eye out for these fruits and vegetables at the market: