Kaela Graziano, 2, of Beaverton, runs through tulips at the Wooden Shoe Tulip farm during the Woodburn Tulip Festival in Woodburn, Ore.
A bee flies to a crocus on a warm, sunny early spring day in Warsaw, Poland.
Colorful tulips bloom in rows in Lisse, The Netherlands. Tourists gather to view the fields from their mobile homes.
People enjoy a sunny day on the river Stour in Dedham, southern England.
A petunia is seen through a raindrop falling off a leaf in a garden in Overland Park, Kan.
Cherry blossoms in bloom in Washington, D.C. The National Cherry Blossom festival attracts more than a million visitors each year.
A Kashmir school boy holds an umbrella as he walks in a mustard field during rain on the outskirts of Srinagar, the summer capital of Indian Kashmir.
A horse grazes on grass on a cool spring afternoon
A worker picks flowers amid acres of giant Tecolote ranunculus flowers at the Flower Fields in Carlsbad, Calif. The flowers attract thousands of visitors each year during their six- to eight-week bloom period.
A pair of ferns appear to be nuzzling as they begin to unfurl their fiddleheads on a warm and sunny morning in Freeport, Maine. Boiled or steamed fiddleheads are a traditional dish in Maine.
A girl collects spring flowers in the Khiam village valley, near the Israeli border in south Lebanon.
A butterfly sits on a flower in a garden in Dhulikhel, 20 miles east of Kathmandu, Nepal.
A young boy walks over rocks near the Baltic Sea at Niendorf village in northern Germany, on a sunny spring day.
Nineteen-month-old Lilly picks daffodils in St James's Park in central London.
Three mothers push prams down the Long Walk in Windsor, England. For centuries, the park was the private hunting ground of Windsor Castle.
A Canada goose gosling feeds near the Schuylkill River in Philadelphia.
Eight-year-old Daisy jumps from a log amongst a bluebell glade while walking in Micheldever Wood, near Basingstoke in Hampshire, England.
Three dandelion seeds hover near Gross-Karben, western Germany.
Red tulips are seen in full bloom inside Kashmir's tulip garden during Baisakhi festival in Srinagar, India.
A woman strolls through Yokohama park, located south of Tokyo, where tulips are in full bloom.
An aerial shot shows a colourful field of flower bulbs in Lisse, Netherlands. Tourists traveling in motor homes can be seen parked on the side of the field.
Flowers are harvested in Lisse, Netherlands. Tourists from all over the world flock to the so-called Bulb area and the Keukenhof Flower Park to enjoy the colorful fields of blooming tulips and a wide range of other flowers.
Tulips blossom in the sunshine in Montpelier, Vt.
A painter captures the fields that are in full bloom in Lisse, Netherlands.
Workers harvest tulips in a field near the eastern German town of Schwaneberg. The flowers are sold to customers in Germany, France, Austria and Switzerland.
Tulip fields are in full bloom in Lisse, Netherlands.
Thousands of people braved cold weather and downpour on April 2, 2011, to enjoy the cherry blossoms, a highlight of Washington, D.C.'s, cultural calendar. The popular springtime event celebrates the emergence of the pale pink cherry blossoms that adorn hundreds of trees lining Washington's iconic Tidal Basin, a small harbor along the Potomac River.
A group sits along the Tidal Basin in the nation's capital under blossoming cherry trees, looking toward the Washington Monument. This year's annual National Cherry Blossom Festival runs March 26 to April 10.
Cherry blossoms are pictured covered in rain drops at the Tidal Basin in Washington, D.C., on April 2.
With the Thomas Jefferson Memorial in the background, Christine Wong of Livonia, Mich., sits on a the trunk of a blossoming cherry tree.
A duck swims through fallen cherry blossom petals on the Tidal Basin in Washington, D.C., on April 4.
Cyclists on a tandem bike ride past cherry blossoms March 25 in Washington, D.C.
This year's National Cherry Blossom Festival has begun with unseasonably frigid weather, with evening temperatures dipping below freezing.
Tourists visit the Washington, D.C., tidal basin on March 25 to see the blooming cherry trees.
A boy climbs into a tree to photograph blossoms near the Washington Monument on March 30 in Washington, D.C. Cold temperatures and cloudy skies have affected the normally colorful National Cherry Blossom Festival, which runs through April 10.
More than 3,000 cherry trees were donated to Washington, D.C., from Japan as a sign of friendship in 1912. Japan's National Tourism Board pulled out of this year's cherry blossom festivities in Washington, D.C., due to the crisis at home, and the festival began with a tribute to victims of the recent natural disasters in Japan.
Cherry blossoms are seen in front of the Washington Monument at the tidal basin on March 25 in Washington, D.C.
Cherry blossoms are seen March 25 in Washington, D.C. The National Cherry Blossom festival attracts more than a million visitors each year.
Children chase ducks under blooming cherry trees March 28, 2011, in Washington, D.C. The annual 16-day National Cherry Blossom Festival, which began March 26, commemorates Japan's 1912 gift of Japanese cherry trees to Washington.
Spring boils at Blue Spring Parks in High Spring in Florida
Chicago Botanic Garden
A lovely bachelor's button standing out in a crowd of wildflowers
A shot showing contoured hills with spring flowers at Painted Hills in John Day Fossil Beds National Monument, Oregon
Moss Sprouting in Spring
Mother hummingbird feeding her baby, nested in a blood orange tree in Simi Valley, California
Inside a tulip
A Canada goose gosling stays close to Mom. Spring is the time of new life.
Lupine blooms on top of California's Point Reyes.
Tulips at Keukenhof Garden near Lisse, Netherlands
This malachite butterfly (Siproeta stelenes) was one of many species at Brookside Gardens in Silver Spring, Maryland, just outside of Washington, D.C.