The photos highlighted an array of tightly shut white-and-yellow flowers that ringed the top of the plant. Saguaro flowers bloom only once and typically at night to protect their delicate internal ...

Just as many wildflowers are beginning to fade, cactus blooms are showing up a bit early to keep deserts around Tucson colorful. Among the early bloomers are red and yellow cholla cactus flowers ...

She extols several plants currently blooming in her garden whose flowers are in the fiery color spectrum that stretches from yellow to orange to red. The plant she is most enthusiastic about is a ...

Yellow Thanksgiving cactus, Schlumbergera truncata, that is starting to bud. (Laura Kling/Contributed) Flowers bloom on a red Christmas cactus, Schlumbergera x buckleyi.

The saguaro cactus blossom is Arizona's state flower. Why is the saguaro blossom Arizona's state flower? Arizona has about 51 native cactus species, but the saguaro is likely the most well-known.