And I guess if you're in any way interested in botany, it would be a wonderful place to go, there's almost a quarter of million plant species there, which are not found anywhere else in the world.
Here's Professor Rick Karban, a biologist at the University of California, explaining more to James Wong, botanist and presenter of BBC Radio 4 programme, Is Eating Plants Wrong?
She also suggests learning the official botanical names of any houseplants so that they are able to provide that information quickly to a poison control expert, if needed.