Cherry blossom lit up

Please let me know if there is a place in/around Tokyo or Yokohama where cherry blossoms are lit up in the evening.

Thanks in advance...

Rikugien - they have a big "weeping willow cherry" that they light up in the evenings (The park is open from 9 - 21:00, entrance open till 20:30. They light up the tree from sunset to 21:00 during March 20 - 30.)
or
Hamarikyu garden - (1) sunset to 21:00 during April 3 - 6. (2) sunset to 21:00 during April 12 - 20.

From the following website, select the above name from the drop-down list under "Historic spots" on the left side.

http://www.tokyo-park.or.jp/english/index.html

Asukayama Koen (park) in Kita-ku (3-minute walk from JR Oji station or 5-minute walk from Metro Nanboku line Oji station)
They will light up lanterns in the evenings, 17:00 - 21:00
http://www.walkerplus.com/hanami/kanto/tokyo/S1306.html
http://kitaku.fc2web.com/e/spot/asuka.html