How to choose the best:
Turnip

Touch

The best turnips, like the best lovers, are small and heavy.

See

Avoid any roots that have cuts or gouges on the outside.

If the greens are attached, that can be a great signifier of quality: look for a vibrant color.

Some more details:

How to store

Turnips do best in a humid environment, so try wrapping in a moist cloth or paper towel before storing in a plastic bag.

When it's in season

Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec.