D.C.’s cherry blossoms have reached stage four, with peak bloom estimated to be roughly a week from now. Peak bloom is projected between March 28 and March 31, lasting about 10 days, weather permitting.

The National Cherry Blossom Festival officially begins today with more than three weeks of events in store. Why it matters: It's been a long winter, but spring is here. Peak bloom is projected for March 28-31.

If you look closely, you'll see florets coming out of the Tidal Basin's cherry blossom buds, marking stage 2 of blossom development.