A small, little-known cactus found in Organ Pipe National Monument west of Tucson faces a "high and immediate" threat of extinction, says the U.S. Fish and Wildlife Service in proposing to protect it ...

Walnut Creek’s Ruth Bancroft is a national authority on drought-resistant gardening. Twice a month she and her staff share their knowledge with readers. Astrophytum is a small genus in the Cactus ...

The largest genus in the cactus family (Cactaceae) is Mammillaria, and a very recognizable member is the twin spined cactus (Mammillaria geminispina). This small cactus has tiny tubercles (rounded ...

Smart gardeners in West Hawaii are installing some drought tolerant plants in their landscapes. Of course, one of the most drought tolerant groups of plants are those that can thrive in the desert. We ...

After 46 years, the Colorado hookless cactus is blooming. State of play: The U.S. Fish and Wildlife Service removed the plant, whose scientific name is Sclerocactus glaucus, from the Endangered and ...

Add articles to your saved list and come back to them any time. "HALFWAY TO Mexico," reads the sign where I turn off the highway. The dirt driveway passes a bright billboard of a cartoon cactus ...