It's considered prudent to avoid the Park at night, so spare the dusk, and come early if you want to see the Evening Primrose unfurled. Those first hours are called the prime of the day, which might make sense in the plant's name, but don't be led down the primrose path; it's actually derived from the unrelated European Primrose. The name means "first rose" but neither species is actually a rose at all.
In the gray light of the prime, the flowers conclude their nightly business, then fold before the climbing Sun and its followers…