Why it matters: The loss of the only known stand of Key Largo tree cactus in the U.S. shows how rising seas can alter the coastal environment. It may be the first sea level rise-related loss of a ...

in the coastal range, there’s a real magic here.” Overwatering. It’s the No. 1 way people kill their succulents and cactus. Light. Getting enough light in a home can be a challenge.