The Cottontop Cactus is a barrel-shaped cactus with dense, white spines that resemble cotton. It is a striking feature in desert landscapes and is well adapted to arid conditions.
Best time to see a Cottontop Cactus
The best time to see a Cottontop Cactus is January–May, when about 64% of U.S. sightings happen, based on 8,581 research-grade iNaturalist observations.
Not certain it is a Cottontop Cactus? What plant is this? walks through what to check first and the lookalikes that catch people out.
Recent Cottontop Cactus sightings near you
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