Desert lilies in Anza-Borrego

Hesperocallis undulata

Desert lilies usually bloom from late January to late March in Anza-Borrego, with the best color from late February into mid-March.

late January – late March Best: late February into mid-March Out of season

The show usually starts around late January. Check back closer to the season.

JanFebMarAprMayJunJulAugSepOctNovDec
Based on reports from iNaturalist naturalists. 2,359 flowering reports from Anza-Borrego Desert State Park shape this curve. The shaded band marks the best weeks; the dashed line is this week.

Where to see them

A true lily rising out of bare sand, one of the desert's best surprises. Even in ordinary years a few come up; big rain years bring them out in ranks.

  • Anza-Borrego Desert State Park

We name public reserves, parks, and roads only — never exact pins, never private land.

Nearby on the calendar

Updated August 14, 2026. Bloom timing varies with the year's weather — the curve shows the usual rhythm, and in-season updates sharpen it.