Every year at the beginning of march the tulip season starts in japan. In Sakura City (Chiba prefecture) you can find a huge field full of different tulips from around the world. In the middle of the field is a beautiful windmill from the Netherlands which has a small museum inside.
If you going at the end of march to the fields, you might be lucky to see most of the tulips fully bloomed. But every tulip is different and has different blooming time.
I love to walk around the fields and see the big variety of flowers. Also for around 500 Yen you can collect 10 tulips from the fields and bring them back to home. The good thing about tulips is that they come back every year again.
For your entertainment you can listen to a school choir or dress up in a typical Netherlands dress with wood shoes. Also you can have lunch at the nearby restaurant and food stands.
I visit that place every year because I like the nice atmosphere of the fields in the countryside and it gives me a little feeling of being back to Europe.