A cactus is typically viewed as the ultimate hands-off, fuss-free, impossible-to-kill plant. So, you can imagine our horror when we walk by said cactus one day and notice, *gasp*, yellow splotches ...

The cactus has a dull-gray, fleshy stem with shrubby branches that can grow to a lofty height of 6 feet. It has relatively small, scale-like bright red flowers and yellow egg-shaped fruit. HABITAT: ...