Cherry blossoms are seen near the Jefferson Memorial on Thursday, April 11, in Washington. The <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2013%2F03%2F22%2Ftravel%2Fdc-cherry-blossoms%2Findex.html">National Cherry Blossom Festival</a> runs through Sunday, April 14.
Cherry blossoms in bloom in nation's capital —
Cherry blossoms are seen near the Jefferson Memorial on Thursday, April 11, in Washington. The National Cherry Blossom Festival runs through Sunday, April 14.
KAREN BLEIER/AFP/Getty Images
President Barack Obama gives a speech under a cherry tree at the White House on Wednesday, April 10, in Washington.
Cherry blossoms in bloom in nation's capital —
President Barack Obama gives a speech under a cherry tree at the White House on Wednesday, April 10, in Washington.
MANDEL NGAN/AFP/Getty Images
A woman meditates under a blooming cherry tree on the edge of the Potomac River in Washington, on Tuesday, April 9.
Cherry blossoms in bloom in nation's capital —
A woman meditates under a blooming cherry tree on the edge of the Potomac River in Washington, on Tuesday, April 9.
ZHANG JUN/Xinhua /Landov
Cherry blossoms bloom on the edge of the Tidal Basin in Washington on Monday, April 8.
Cherry blossoms in bloom in nation's capital —
Cherry blossoms bloom on the edge of the Tidal Basin in Washington on Monday, April 8.
Win McNamee/Getty Images
A jogger and young companion run beneath the cherry blossoms on April 8. Washington's colder than usual March and early April delayed the <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2Fvideo%2F%23%2Fvideo%2Fbestoftv%2F2013%2F03%2F20%2Fexp-point-travis-cherry-blossoms-delayed.cnn">beginning of cherry blossom season</a>.
Cherry blossoms in bloom in nation's capital —
A jogger and young companion run beneath the cherry blossoms on April 8. Washington's colder than usual March and early April delayed the beginning of cherry blossom season.
Win McNamee/Getty Images
A wall of cherry blossoms hides the view of the Jefferson Memorial on April 8. The time of peak bloom occurs when 70% of the blossoms on the Yoshino cherry trees along the Tidal Basin are open.
Cherry blossoms in bloom in nation's capital —
A wall of cherry blossoms hides the view of the Jefferson Memorial on April 8. The time of peak bloom occurs when 70% of the blossoms on the Yoshino cherry trees along the Tidal Basin are open.
Win McNamee/Getty Images
Cherry blossoms frame the view of the Washington Monument on April 8.
Cherry blossoms in bloom in nation's capital —
Cherry blossoms frame the view of the Washington Monument on April 8.
Win McNamee/Getty Images
Washington's celebrated cherry trees were a gift from the people of Japan in 1912.
Cherry blossoms in bloom in nation's capital —
Washington's celebrated cherry trees were a gift from the people of Japan in 1912.
Win McNamee/Getty Images
First lady Helen Taft and Viscountess Iwa Chinda, the wife of the Japanese ambassador, planted two cherry trees along a bank of the Tidal Basin in a <a href="index.php?page=&url=http%3A%2F%2Fwww.nps.gov%2Fcherry%2Fcherry-blossom-history.htm" target="_blank" target="_blank">March 1912 ceremony</a>. More than 3,000 trees were planted throughout the National Mall and Memorial Parks.
Cherry blossoms in bloom in nation's capital —
First lady Helen Taft and Viscountess Iwa Chinda, the wife of the Japanese ambassador, planted two cherry trees along a bank of the Tidal Basin in a March 1912 ceremony. More than 3,000 trees were planted throughout the National Mall and Memorial Parks.
Win McNamee/Getty Images
Spring has finally arrived when the cherry trees are in bloom in Washington. There are more than 3,700 trees around the Tidal Basin.
Cherry blossoms in bloom in nation's capital —
Spring has finally arrived when the cherry trees are in bloom in Washington. There are more than 3,700 trees around the Tidal Basin.
Win McNamee/Getty Images
In 1965, Japan made another gift of 3,800 Yoshino cherry trees to Washington. First lady Lady Bird Johnson and the wife of Japan's ambassador re-enacted the original planting ceremony.
Cherry blossoms in bloom in nation's capital —
In 1965, Japan made another gift of 3,800 Yoshino cherry trees to Washington. First lady Lady Bird Johnson and the wife of Japan's ambassador re-enacted the original planting ceremony.
Win McNamee/Getty Images
Many of the trees from the 1965 gift were planted on the grounds of the Washington Monument, seen here on Sunday, April 7.
Cherry blossoms in bloom in nation's capital —
Many of the trees from the 1965 gift were planted on the grounds of the Washington Monument, seen here on Sunday, April 7.
EPA/SHAWN THEW /LANDOV
Participants in the Cherry Blossom Ten Mile Run pass near the Washington Monument on April 7.
Cherry blossoms in bloom in nation's capital —
Participants in the Cherry Blossom Ten Mile Run pass near the Washington Monument on April 7.
Andrew Harnik/The Washington Times/Landov
People check out the cherry blossoms along the Tidal Basin on April 7.
Cherry blossoms in bloom in nation's capital —
People check out the cherry blossoms along the Tidal Basin on April 7.
JONATHAN ERNST?Reuters/LANDOV
The sun sets on the Tidal Basin in Washington on Friday, April 5.
Cherry blossoms in bloom in nation's capital —
The sun sets on the Tidal Basin in Washington on Friday, April 5.
NICHOLAS KAMM/AFP/Getty Images