
Blossoms at their peak: Washington, DC's Japanese flowering cherry trees are predicted to reach peak bloom on April 1. The US capital's National Cherry Blossom Festival runs through April 14.

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The National Cherry Blossom Festival started on March 20 in Washington. Every year millions of pink petals transform the city's landscape, signaling the start of spring. If you can't make a trip to the capital to see these delicate flowers bloom, enjoy their beauty through these photos taken over the years by CNN iReporters.

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New York resident Navid Baraty visited D.C. to see the cherry blossoms in 2012. It was his first time at the festival, and he said it was spectacular.

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The National Cherry Blossom Festival grew from humble beginnings, but now it's one of the largest springtime celebrations in the United States.

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Baraty, a photographer by trade, rarely shoots images of flowers, but he made an exception while at the festival. "I knew it was going to be gorgeous, but wasn't quite prepared for how stunning of a show it really was," he said.

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More than 1.5 million people travel to the capital to see these blooming flowers, according to the National Cherry Blossom Festival's website.

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A crowd walks under blooming cherry blossoms.

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D.C.'s cherry trees have hit their peak as early as March 15 in 1990 and as late as April 18 in 1958.

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The cherry blossom festival commemorates the gift of 3,020 cherry trees that Tokyo gave to Washington in 1912.

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The 1912 gift is celebrated every year in the US capital.

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The cherry trees' peak bloom, which is when 70% of the trees are blooming, is dependent on the weather.

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The Thomas Jefferson Memorial sits behind a blooming cluster of cherry blossoms.

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The blossoms will attract a crowd no matter when they reach peak bloom.

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In 1915, the United States government presented the people of Japan with flowering dogwood trees.

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Cherry blossoms are a familiar springtime sight for Washington resident Neal Piper, who took these photos in March 2013. He was disappointed the blossoms bloomed a lot later than usual than 2012 because of cold weather.

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Here, the cherry blossoms overlook the Tidal Basin in Washington.

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Cherry blossom season makes the city's monuments even more lovely.

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In the early 1980s, the United States government gave Japanese horticulturists some cuttings of cherry trees after a flood in Japan decimated many of the trees there.

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Cherry blossoms bloom in a variety of countries during spring. You can find these delicate flowers in the United States, Japan, Germany, India and even Turkey, just to name a few nations this flowering plant calls home.

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Travelers enjoy the sight of cherry blossoms so much that crowds start gathering at sunrise, which is when Ian Dixon captured this photograph in March 2012. "Even at 7 a.m., it was getting tough to find good spots to shoot from due to all the photographers around," he said.


