"Ophelia" > wrote:
>"Sqwertz" <compost> wrote:
>> OP asks:
>>> This is perhaps OT but the lettuce heads with roots still attached sold
>>> in a plastic box can keep for a week or more in the fridge if you add a
>>> little water to the well containing the roots. The price is usually no
>>> great bargain but the boxes are convenient.
>>
>> And when buying any other lettuce severed from it's roots, always look
>> at the cut surface of the stalk on the bottom. The less pink or brown
>> oxidation you see on that flat surface, the fresher it is and less
>> likely to be bitter.
>
>Yes, that is a good indication

Really no way to tell if harvested two days ago or two weeks ago. With
all such vegetables slice a thin bit off the root end with a sharp
knife while holding it under running water, same as cut flowers are
kept fresh longer... make a new cut every two days... will keep celery
fresh a long time.