Like most tender greens, arugula is perishable and needs to be used within a few days of purchase. Look for crisp leaves without mushiness.

Asparagus comes in green, white, purple and wild varities. Look for the thinnest stalks possible; these are the most tender. Steer clear of limp and wilted asparagus.

This includes radicchio, endive, frisee and escarole — bitter, leafy veggies that come in a rainbow of colors.

For both Chinese and European chives, you’re looking for pert green blades without signs of yellowing, moisture or mildew.

Collards are a versatile and delicious member of the brassica family, and can be used both cooked and raw. Look for firm leaves and stems with no yellowing, spots or wilted leaves.

Look for endive with tight heads that feel heavy for their size. All endive varieties should be free of black or mushy spots, with very few (to no) brown or wilting leaves.

Look for fiddleheads that are tightly curled and no bigger than a half-dollar. Any brown, papery bits clinging to the veggie are just a part of the plant, most of which will be rinsed off when you clean them.

Whether you call them green onions, spring onions or scallions, these alliums all offer a slightly milder taste than their onion cousins.

Morels are a wild, cone-shaped mushroom with honeycomb-like texture. When purchasing, avoid morels that are discolored, splotchy or slimy.

There are several varieties of mushrooms and they can be purchased fresh or dried. Look for fresh mushrooms without slimy, moldy or black spots.

Nettles are an herb resembling an oversized mint leaf and are best bought or harvested when they are young and the stems are tender, before flower buds appear.

Pea shoots are very young pea plants. They can be eaten like a green - braised, sauteed or tossed into salads - or made into pesto. Look for bright green pea shoots that are not wilted.

Radicchio is a bitter leafy vegetable. Radicchio di Chioggia, the most common variety, resembles a small red cabbage, but radicchio comes in a variety of other shapes. In all cases, it should be crisp and unwilted.

Most radishes are sold with the tops attached: look for vibrant greens and firm roots. Don't forget you can saute the tops or use them in pesto!

Ramps are definitely delicious — a peppery and pungent cross between onion and garlic — and their ephemeral nature adds to their appeal. Make sure to select ramps without slimy or discolored patches.

Rapini, or broccoli rabe, looks like a leafier version of broccoli. Both the leaves and florets should be deep green without yellow spots.

With its pine-like flavor, rosemary pairs well with roasted vegetables and grilled meats. Look for strong-smelling bunches and avoid withered leaves.

Although you can sprout many seeds, the two most common sprouted types are bean and alfalfa. Look for sprouts that are perky and smell fresh. Avoid any that smell off or that appear slimy or wilted.

Tarragon is an herb with a pungent, licorice-like flavor. Look for leaves that are perky and light green, avoiding any mushy or wilted bunches.

Fresh thyme imparts a bright, almost lemony flavor to soups, roasts and other dishes. When buying thyme, leaves should be fresh, green and firmly attached to the stems. Thyme with lots of wilted leaves is less fresh.

Watercress is a leafy green vegetable with a peppery flavor that pairs really well with duck and other game meats. Try to avoid any mushy leaves, as they can spoil the others in storage.