Saguaro blossoms
Carnegiea gigantea
Saguaro blossoms usually bloom from early April to late May around Tucson, with the best color from late April into late May. That's the only region we track it in so far — the ladder below shows where it falls in the year.
Where to see them
Based on reports from iNaturalist naturalists. We name public reserves, parks, and roads only — never exact pins, never private land.
Updated September 8, 2026. Bloom timing shifts with the year's weather — each region page carries that region's week-by-week curve and how this season is running.