Saguaro blossoms around Tucson

Carnegiea gigantea

Saguaro blossoms usually bloom from early April to late May around Tucson, with the best color from late April into late May.

early April – late May Best: late April into late May Out of season

The show usually starts around early April. Check back closer to the season.

Based on reports from iNaturalist naturalists. 617 flowering reports from Pima County shape this curve. The shaded band marks the best weeks; the dashed line is this week.

Where to see them

Arizona's state flower opens on top of the giants in May, after the spring annuals are done — white crowns that each last a single day and night.

Saguaro National Park (east and west units)
Sabino Canyon Recreation Area

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

Updated September 8, 2026. Bloom timing varies with the year's weather — the curve shows the usual rhythm, and in-season updates sharpen it.