When choosing fresh potatoes like most vegetables of the root family whether they are beets, carrots, or turnips they should feel heavy for the size when ripe and healthy. It is a good idea to inspect all vegetables and fruits for blemish marks, holes or bruises. Especially take note where bugs may have entered or started to eat. Though this usually denotes a ripe vegetable, it also show the fruit is on its way to decomposition.
Blemishes are not unusual, but keep a look out for bruised marks or damage which would start the root to spoil. Root vegetables like all other vegetables should have a live color and smell fresh. Small discolorations may not effect the vegetable. Though bigger may be better, they may be overly matured and start to get pithy in the center. So, smaller usually will be tastier.
You will notice increased supplies of organic fruits and vegetables on the market, Their appearance is not always the same as standard produce. Standard run produce usually has a more stringent process of inspection for purely visual appeal. They have been sorted and processed usually to larger degree in this regard. So, trusting your supplier for the best provisioning of good organic produce is crucial. Depending on what your requirements are, local organic produce is does not provide as big of a selection than those shipped in to the area.
Though all vegetables and fruits have their season, tuber or root crops have a better shelf life than many others. Still you will need to keep note of best storing temperature and practices for long term storage. Most root crops store best in higher humidity with ventilation and in the range of 50 degrees. Click Here for a full list of storage temperature and storage humidity . As with all produce, potatoes are effected as well by the other produce they are stored with.