Cherry blossom in Washington dc

In these days i am free from my work so i decided to go to visit  the Cherry blossom in Washington dc.Actually i have no idea that what is the best way to enjoy Washington dc and when? I also don't know that which kind of activities i can enjoy there.I need your good suggestions and guide lines. I hope you will me give me nice ideas  about my trip.





Tell me when is the cherry blossom in washington dc ?