Jumping cholla (Cylindropuntia fulgida) may not produce gorgeous flowers like its cacti brethren. But it packs a massive punch on the security front with its mass of barbed spines framing its 8 ...

Some cacti spines are nearly 15cm (6in) long. Boerhavia repens is a desert plant which can germinate, grow, produce flowers and ripen seeds in the space of ten days after it has rained.

Cacti are known for their prickly exterior. But not so much for their flowers - except for Christmas cactus, of course.

Christmas cactuses, and the closely related Thanksgiving and Easter cactuses, are not your standard cactus plants. Not only do these cactuses not produce spines, but they’re actually tropical ...

The recent weeks of warm summer temperatures are excellent for seeing growth of drought-hardy plants such as succulents and cacti. These structural plants provide an architectural form that thrive in ...

Plants pollinated by nectar-drinking bats often have flowers that reflect ultrasonic waves, making it easier for the animals to locate flowers through echolocation. But one cactus does the opposite—it ...