Prickly pear cactus in bloom (foreground). Brittlebush flowering in the background.

Cereus hexagonus?

Organ Pipe Cactus National Monument. Arizona.

We were lucky to see the cactus in bloom

Taken with picplz.

I saw many saguaro cactus while on my trip, but I was never where I could get a good picture. This rest stop was my last chance! See how the plant flowers at the very tops of the branches?

This is a Claret Cup Cactus in bloom.

never seen this particular cactus in bloom before. Cool!

Asuncion, Paraguay

This cactus in only one foot tall and is blooming in spite of being very fragile and vulnerable to being stepped on.

Saguaro Cactus in bloom

Pincushion cactus in bloom.

Sabino Canyon.

Tucson, AZ.

7-29-12.

Photo By: Ned Harris

Note: They bloom in the spring and again during the summer monsoons.

Hedgehog cactus in bloom

cactus in bloom

Doves feasting on top of Saguaro cactus in bloom.

Claret Cup Cactus in bloom - photo by Shay Shih.

Cactus in Bloom

Old Man Cactus in bloom

May 2015

Viragzo kaktusz.

Yellow cactus bloom @MistletoeUS

The museum´sflora exhibit of local plantlife. Cactus in bloom

cactus in bloom

Christmas cactus in bloom around Thanksgiving.

Organ Pipe Cactus National Monument. Arizona.

We were lucky to see the cactus in bloom