A cactus is listed for $250,000 on its website. It's a plant called haageocereus tenuis, critically endangered plant that we acquired from a researcher who spent most of his life studying rare ...

Free camping, no entrance fees, rare plants, unique desert animals ... And though there are older, larger cactus forests in the Southwestern U.S. — Organ Pipe Cactus National Monument and ...

What are they, and how do you look after them? A: These unusual specimens are a great addition to any indoor cactus collection. The term doesn’t refer to a specific variety, but rather a ...