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Saguaro NP,barrel cactus blooms, photo
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Barrel Cactus

Saguaro NP

Barrel cactus buds typically start to bloom in April with a bright yellow or orange flower. Pink and red varieties also exist but occur less frequently. The flowers only appear on the very top of the plant. As the flowers begin to wilt in early May, they may change color. A late summer desert rainstorm can produce a late bloomer as shown in this photo of the red-flowered variety. Photo © copyright by Robert Faucher.

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