White wines for storing

[Thomas]

Long Island Rieslings never impress me. I live in the Finger Lakes, where Riesling is king.

I suppose when you say bitter you mean acidic, for if the wine is truly bitter, age might not help it at all. Aged wines seem smoother because the changes with time tend to soften the perception of acid and meld the wine's many components.

Riesling is normally a high acid grape, so time is its friend. How many years it takes for any particular wine to develop is a subject I do not believe anyone can truly pin down.